Layout-Corrector: Alleviating Layout Sticking Phenomenon in Discrete Diffusion Model International-journal Peer-reviewed

Shoma Iwai, Atsuki Osanai, Shunsuke Kitada, Shinichiro Omachi

Proceedings of the European Conference on Computer Vision (ECCV) 2024　92-110　2024/10

DOI： 10.1007/978-3-031-72754-2_6 　

TAMC: Textual Alignment and Masked Consistency for Open-Vocabulary 3D Scene Understanding International-journal Peer-reviewed

Juan Wang, Zhijie Wang, Tomo Miyazaki, Yaohou Fan, Shinichiro Omachi

Sensors　24　(19)　6166-6166　2024/09

DOI： 10.3390/s24196166 　

Machine learning-based identification of the risk factors for postoperative nausea and vomiting in adults International-journal Peer-reviewed

Hiroshi Hoshijima, Tomo Miyazaki, Yuto Mitsui, Shinichiro Omachi, Masanori Yamauchi, Kentaro Mizuta

PLOS ONE　19　(8)　2024/08

DOI： 10.1371/journal.pone.0308755 　

Semantically-Guided Image Compression for Enhanced Perceptual Quality at Extremely Low Bitrates International-journal Peer-reviewed

Shoma Iwai, Tomo Miyazaki, Shinichiro Omachi

IEEE Access　2024/07

DOI： 10.1109/ACCESS.2024.3430322 　

DiCTI: Diffusion-based Clothing Designer via Text-guided Input International-journal International-coauthorship Peer-reviewed

Ajda Lampe, Julija Stopar, Deepak K. Jain, Shinichiro Omachi, Peter Peer, Vitomir Štruc

2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG)　2024/05/27

DOI： 10.1109/fg59268.2024.10582026 　

Japanese historical character recognition by focusing on character parts International-journal Peer-reviewed

Takuru Ishikawa, Tomo Miyazaki, Shinichiro Omachi

Pattern Recognition　148　110181-110181　2024/04

DOI： 10.1016/j.patcog.2023.110181 　

ISSN： 0031-3203

Learn from orientation prior for radiograph super-resolution: Orientation operator transformer International-journal International-coauthorship Peer-reviewed

Yongsong Huang, Tomo Miyazaki, Xiaofeng Liu, Kaiyuan Jiang, Zhengmi Tang, Shinichiro Omachi

Computer Methods and Programs in Biomedicine　245　2024/03

DOI： 10.1016/j.cmpb.2023.108000 　

Controlling Rate, Distortion, and Realism: Towards a Single Comprehensive Neural Image Compression Model International-journal Peer-reviewed

Shoma Iwai, Tomo Miyazaki, Shinichiro Omachi

Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision (WACV)　2024/01

JPEG Image Enhancement with Pre-Processing of Color Reduction and Smoothing International-journal Peer-reviewed

Akane Shoda, Tomo Miyazaki, Shinichiro Omachi

Sensors　23　(21)　2023/10

DOI： 10.3390/s23218861 　

A Scene-Text Synthesis Engine Achieved Through Learning from Decomposed Real-World Data International-journal Peer-reviewed

Zhengmi Tang, Tomo Miyazaki, Shinichiro Omachi

IEEE Transactions on Image Processing　32　5837-5851　2023/10

DOI： 10.1109/TIP.2023.3326685 　

Deep Image Compression Using Scene Text Quality Assessment International-journal Peer-reviewed

Shohei Uchigasaki, Tomo Miyazaki, Shinichiro Omachi

Pattern Recognition　142　109696-109696　2023/10

DOI： 10.1016/j.patcog.2023.109696 　

ISSN： 0031-3203

Collaborative Indoor Positioning by Localization Comparison at an Encounter Position International-journal Peer-reviewed

Kohei Kageyama, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Applied Sciences　13　(12)　2023/06

DOI： 10.3390/app13126962 　

Infrared Image Super-Resolution via GAN.

Yongsong Huang, Shinichiro Omachi

CoRR　abs/2312.00689　2023

DOI： 10.48550/arXiv.2312.00689 　

Target-oriented Domain Adaptation for Infrared Image Super-Resolution.

Yongsong Huang, Tomo Miyazaki, Xiaofeng Liu, Yafei Dong, Shinichiro Omachi

CoRR　abs/2311.08816　2023

DOI： 10.48550/arXiv.2311.08816 　

Important Region Estimation Using Image Captioning International-journal Peer-reviewed

Taku Suzuki, Daisuke Sato, Yoshihiro Sugaya, Tomo Miyazaki, Shinichiro Omachi

IEEE Access　10　105546-105555　2022/10

DOI： 10.1109/ACCESS.2022.3211260 　

eISSN： 2169-3536

Rethinking Degradation: Radiograph Super-Resolution via AID-SRGAN Peer-reviewed

Yongsong Huang, Qingzhong Wang, Shinichiro Omachi

Proceedings of the 13th International Workshop on Machine Learning in Medical Imaging (MLMI 2022)　43-52　2022/09

DOI： 10.1007/978-3-031-21014-3_5 　

GAN-based Privacy-Conscious Data Augmentation with Finger-Vein Images Peer-reviewed

Yusuke Matsuda, Tomo Miyazaki, Shinichiro Omachi

Proceedings of the 2022 IEEE International Conference on Artificial Intelligence in Engineering and Technology　2022/09

DOI： 10.1109/IICAIET55139.2022.9936860 　

Importance Estimation for Scene Texts Using Visual Features Peer-reviewed

Kota OODAIRA, Tomo MIYAZAKI, Yoshihiro SUGAYA, Shinichiro OMACHI

Interdisciplinary Information Sciences　28　(1)　15-23　2022/07

DOI： 10.4036/iis.2022.a.06 　

ISSN： 1340-9050

eISSN： 1347-6157

Correlation-Based Data Augmentation for Machine Learning and Its Application to Road Environment Recognition International-journal Peer-reviewed

Shinichiro Omachi, Masako Omachi

IEEE Transactions on Vehicular Technology　71　(7)　7113-7121　2022/07

DOI： 10.1109/tvt.2022.3167048 　

ISSN： 0018-9545

eISSN： 1939-9359

Infrared Image Super-Resolution: Systematic Review, and Future Trends.

Yongsong Huang, Tomo Miyazaki, Xiaofeng Liu, Shinichiro Omachi

CoRR　abs/2212.12322　2022

DOI： 10.48550/arXiv.2212.12322 　

Mackerel Fat Content Estimation Using RGB and Depth Images International-journal Peer-reviewed

Shuya Sano, Tomo Miyazaki, Yoshihiro Sugaya, Naohiro Sekiguchi, Shinichiro Omachi

IEEE Access　9　164060-164069　2021/12

DOI： 10.1109/access.2021.3134260 　

eISSN： 2169-3536

Stroke-Based Scene Text Erasing Using Synthetic Data for Training International-journal Peer-reviewed

Zhengmi Tang, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

IEEE Transactions on Image Processing　30　9306-9320　2021/11

DOI： 10.1109/TIP.2021.3125260 　

ISSN： 1057-7149

eISSN： 1941-0042

A Framework for Estimating Gaze Point Information for Location-Based Services International-journal Peer-reviewed

Junpei Masuho, Tomo Miyazaki, Yoshihiro Sugaya, Masako Omachi, Shinichiro Omachi

IEEE Transactions on Vehicular Technology　70　(9)　8468-8477　2021/09

DOI： 10.1109/TVT.2021.3101932 　

ISSN： 0018-9545

eISSN： 1939-9359

Self Texture Transfer Networks for Low Bitrate Image Compression Peer-reviewed

Shoma Iwai, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops　2021/06

DOI： 10.1109/CVPRW53098.2021.00214 　

Graph Neural Networks with Multiple Feature Extraction Paths for Chemical Property Estimation International-journal Peer-reviewed

Sho Ishida, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Molecules　26　(11)　3125-3125　2021/05

DOI： 10.3390/molecules26113125 　

eISSN： 1420-3049

Multiple Visual-Semantic Embedding for Video Retrieval from Query Sentence International-journal Peer-reviewed

Huy Manh Nguyen, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Applied Sciences　11　(7)　3214-3214　2021/04

DOI： 10.3390/app11073214 　

eISSN： 2076-3417

Text Detection Using Multi-Stage Region Proposal Network Sensitive to Text Scale International-journal Peer-reviewed

Yoshito Nagaoka, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Sensors　21　(4)　1232-1232　2021/02/09

DOI： 10.3390/s21041232 　

eISSN： 1424-8220

Fidelity-Controllable Extreme Image Compression with Generative Adversarial Networks Peer-reviewed

Shoma Iwai, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 25th International Conference on Pattern Recognition (ICPR 2020)　8235-8242　2021/01

DOI： 10.1109/ICPR48806.2021.9412185 　

Pansharpening by Complementing Compressed Sensing with Spectral Correction Peer-reviewed

Naoko Tsukamoto, Yoshihiro Sugaya, Shinichiro Omachi

Applied Sciences　10　(17)　5789-5789　2020/08/21

DOI： 10.3390/app10175789 　

eISSN： 2076-3417

Spectrum Correction Using Modeled Panchromatic Image for Pansharpening Peer-reviewed

Naoko Tsukamoto, Yoshihiro Sugaya, Shinichiro Omachi

Journal of Imaging　6　(4)　2020/04

DOI： 10.3390/jimaging6040020 　

Object-Based Video Coding by Visual Saliency and Temporal Correlation Peer-reviewed

Kazuya Ogasawara, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

IEEE Transactions on Emerging Topics in Computing　8　(1)　168-178　2020/03

DOI： 10.1109/TETC.2017.2695640 　

eISSN： 2376-4562

Optical Flow-Based Fast Motion Parameters Estimation for Affine Motion Compensation International-journal Peer-reviewed

Antoine Chauvet, Yoshihiro Sugaya, Tomo Miyazaki, Shinichiro Omachi

Applied Sciences　10　(2)　2020/01

DOI： 10.3390/app10020729 　

Automatic Generation of Typographic Font From Small Font Subset. Peer-reviewed

Tomo Miyazaki, Tatsunori Tsuchiya, Yoshihiro Sugaya, Shinichiro Omachi, Masakazu Iwamura, Seiichi Uchida, Koichi Kise

IEEE Computer Graphics and Applications　40　(1)　99-111　2020

DOI： 10.1109/MCG.2019.2931431 　

Automatic Mackerel Sorting Machine using Global and Local Features Peer-reviewed

Yoshito Nagaoka, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

IEEE Access　7　(1)　63767-63777　2019/12

DOI： 10.1109/ACCESS.2019.2917554 　

Super Resolution for Multi Frames with 3D Feature Extraction and RNN Prediction Peer-reviewed

Xi Huang, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2019 International Symposium on Signal Processing Systems (SSPS 2019)　82-86　2019/09

DOI： 10.1145/3364908.3364909 　

Fast Image Quality Enhancement for HEVC by Postfiltering via Shallow Neural Networks Peer-reviewed

Antoine Chauvet, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

IIEEJ Transactions on Image Electronics and Visual Computing　7　(1)　2-12　2019/06

A Development of Wearable System for Information Providing Applications Using Scene Text Recognition Peer-reviewed

Yoshihiro Sugaya, Kiyoshiro Sakai, Tomo Miyazaki, Shinichiro Omachi

The Journal of the Institute of Image Electronics Engineers of Japan　48　(2)　248-257　2019/04

Structural Data Recognition with Graph Model Boosting Peer-reviewed

Tomo Miyazaki, Shinichiro Omachi

IEEE Access　6　(1)　63606-63618　2018/12

DOI： 10.1109/ACCESS.2018.2876860 　

eISSN： 2169-3536

超解像を用いた動画像符号化に関する検討

桑野拓朗, 宮崎 智, 菅谷至寛, 大町真一郎

Proceedings of the 2018 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2018/09/06

監視カメラを活用したユーザの実世界位置の推定

増保純平, 宮崎 智, 菅谷至寛, 大町真一郎

Proceedings of the 2018 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2018/09/06

天吊り案内板を用いた屋内ナビゲーション手法の検討

竹村貴文, 菅谷至寛, 宮崎 智, 大町真一郎

Proceedings of the 2018 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2018/09/06

Multi-Frame Super Resolution Using 3D Convolution and RNN Prediction

Xi Huang, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2018 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2018/09/06

Mackerel Classification using Global and Local Features Peer-reviewed

Yoshito Nagaoka, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2018 IEEE 23rd International Conference on Emerging Technologies and Factory Automation (ETFA)　1209-1212　2018/09

DOI： 10.1109/ETFA.2018.8502584 　

Activity Recognition Using Gazed Text and Viewpoint Information for User Support Systems Peer-reviewed

Shun Chiba, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Journal of Sensor and Actuator Networks　7　(3)　2018/09

DOI： 10.3390/jsan7030031 　

Automatic Discrimination between Scomber japonicus and Scomber australasicus by Geometric and Texture Features Peer-reviewed

Airi Kitasato, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Fishes　3　(3)　2018/09

DOI： 10.3390/fishes3030026 　

Text Detection by Faster R-CNN with Multiple Region Proposal Networks Peer-reviewed

Yoshito Nagaoka, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the International Conference on Document Analysis and Recognition, ICDAR　6　15-20　2018/01/25

DOI： 10.1109/ICDAR.2017.343 　

ISSN： 1520-5363

Glyph-Based Data Augmentation for Accurate Kanji Character Recognition Peer-reviewed

Kenichiro Ofusa, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the International Conference on Document Analysis and Recognition, ICDAR　1　597-602　2018/01/25

DOI： 10.1109/ICDAR.2017.103 　

ISSN： 1520-5363

Text retrieval for Japanese historical documents by image generation Peer-reviewed

Chisato Sugawara, Yoshihiro Sugaya, Tomo Miyazaki, Shinichiro Omachi

ACM International Conference Proceeding Series　19-24　2017/11/10

DOI： 10.1145/3151509.3151512 　

A Preliminary Study on Location Estimation without Preparation using Ceiling Signboard Peer-reviewed

Yoshihiro Sugaya, Kenta Takeda, Tomo Miyazaki, Shinichiro Omachi

Proceedings of the 2017 International Conference Indoor Positioning and Indoor Navigation (IPIN 2017)　2017/09/18

Determining Important Objects in Scene Image Using Neural Networks

Daisuke Sato, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2016 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2017　158-158　2017/08/24

DOI： 10.11528/tsjc.2017.0_158 　

Adaptive Post Filter for Reducing Block Artifacts in High Efficiency Video Coding Peer-reviewed

Antoine Chauvet, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings - 2016 International Conference on Multimedia Systems and Signal Processing, ICMSSP 2016　22-25　2017/06/09

DOI： 10.1109/ICMSSP.2016.014 　

Reading-life log as a new paradigm of utilizing character and document media Peer-reviewed

Koichi Kise, Shinichiro Omachi, Seiichi Uchida, Masakazu Iwamura, Masahiko Inami, Kai Kunze

Human-Harmonized Information Technology　2　197-233　2017/04/20

DOI： 10.1007/978-4-431-56535-2_7 　

Development of Wearable System for Translation of Japanese Texts in the Environment Peer-reviewed

Kiyoshiro Sakai, Yoshihiro Sugaya, Tomo Miyazaki, Shinichiro Omachi

Proceedings of The 23rd International Workshop on Frontiers of Computer Vision (IW-FCV 2017)　2017/02/01

Analysis of Floor Map Image in Information Board for Indoor Navigation Peer-reviewed

Tomoya Honto, Yoshihiro Sugaya, Tomo Miyazaki, Shinichiro Omachi

2017 INTERNATIONAL CONFERENCE ON INDOOR POSITIONING AND INDOOR NAVIGATION (IPIN)　2017

DOI： 10.1109/IPIN.2017.8115896 　

ISSN： 2162-7347

Improvement of Map Matching for Indoor Navigation Exploiting Photo of Information Board Peer-reviewed

Kento Tonosaki, Yoshihiro Sugaya, Tomo Miyazaki, Shinichiro Omachi

Proceedings of the 2016 International Conference Indoor Positioning and Indoor Navigation (IPIN 2016)　2016/10

文字認識を利用した環境中の日本語英字翻訳を行うウェアラブルシステムの開発

坂井清士郎, 宮崎 智, 菅谷至寛, 大町真一郎

Proceedings of the 2016 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2016　205-205　2016/08/30

DOI： 10.11528/tsjc.2016.0_205 　

Low Resolution Character Recognition Using Convolutional Neural Networks

Kyoko Maeda, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2016 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2016　4-4　2016/08/30

DOI： 10.11528/tsjc.2016.0_4 　

Signboard Extraction and Recognition in Subway Station Premises

Kenta Takeda, Yoshihiro Sugaya, Tomo Miyazaki, Shinichiro Omachi

Proceedings of the 2016 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2016　3-3　2016/08/30

DOI： 10.11528/tsjc.2016.0_3 　

Study on Compression of Images Including Text by Sparse Coding

Keisuke Inoue, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　116　(119)　5-10　2016/06/24

Indoor Localization by Map Matching Using One Image of Information Board Peer-reviewed

Kento Tonosaki, Yoshihiro Sugaya, Tomo Miyazaki, Shinichiro Omachi

Proceedings of The Eighth International Conferences on Pervasive Patterns and Applications (PATTERNS 2016)　22-26　2016/03/20

Object-based Video Coding for Arbitrary Shape by Visual Saliency and Temporal Correlation Peer-reviewed

Kazuya Ogasawara, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of The Eighth International Conference on Creative Content Technologies (CONTENT 2016)　13-16　2016/03/20

Efficient coding for video including text using image generation Peer-reviewed

Yosuke Nozue, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Journal of Information Processing　24　(2)　330-338　2016/03/15

DOI： 10.2197/ipsjjip.24.330 　

ISSN： 1882-6652 0387-5806

Traffic light detection considering color saturation using in-vehicle stereo camera Peer-reviewed

Hiroki Moizumi, Yoshihiro Sugaya, Masako Omachi, Shinichiro Omachi

Journal of Information Processing　24　(2)　349-357　2016/03/15

DOI： 10.2197/ipsjjip.24.349 　

ISSN： 1882-6652 0387-5806

Indoor Localization by Map Matching Using One Image of Guide Plate Peer-reviewed

Kento Tonosaki, Yoshihiro Sugaya, Tomo Miyazaki, Shinichiro Omachi

The Eighth International Conferences on Pervasive Patterns and Applications (PATTERNS 2016)　2016/03

Graph Model Construction by Non-linear Minimization and Image Recognition

Toshiaki Sakai, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2016 IEICE General Conference　2016　(2)　165-165　2016/03

Discrimination of Scomber Japonicus and Scomber Australasicus by Dorsal Fin Length and Fork Length Peer-reviewed

Airi Kitasato, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of The 22nd Korea-Japan joint Workshop on Frontiers of Computer Vision (FCV2016)　338-341　2016/02/17

Precise character region extraction from scene images using auxiliary lines

Shiori Kawamura, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Journal of the Institute of Image Electronics Engineers of Japan　45　(1)　62-70　2016

ISSN： 1348-0316 0285-9831

The Journal of the Institute of Image Electronics Engineers of Japan Peer-reviewed

Siori KAWAMURA, Tomo MIYAZAKI, Yoshihiro SUGAYA, Shinichiro OMACHI

画像電子学会誌　45　(1)　62-70　2016/01

An encoding method for images containing textual information for very low-bandwidth transmission Peer-reviewed

Shota Kaneko, Yoshihiro Sugaya, Shinichiro Omachi

ITE Transactions on Media Technology and Applications　4　(1)　10-20　2016

DOI： 10.3169/mta.4.10 　

ISSN： 2186-7364

Precise Character Region Extraction from Scene Images Using Auxiliary Lines Peer-reviewed

Shiori Kawamura, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

The Journal of the Institute of Image Electronics Engineers of Japan　45　(1)　62-70　2016/01

DOI： 10.11371/iieej.45.62 　

ISSN： 2186-716X

Graph Model Boosting for Structural Data Recognition Peer-reviewed

Tomo Miyazaki, Shinichiro Omachi

2016 23RD INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION (ICPR)　1707-1712　2016

DOI： 10.1109/ICPR.2016.7899882 　

ISSN： 1051-4651

Element-Level Clustering of Feature Vectors Considering Correlations for Analyzing Image Data Peer-reviewed

Masako Omachi, Shinichiro Omachi

PROCEEDINGS OF 2016 12TH INTERNATIONAL CONFERENCE ON SEMANTICS, KNOWLEDGE AND GRIDS (SKG)　146-149　2016

DOI： 10.1109/SKG.2016.12 　

ISSN： 2325-0623

Effectiveness of Integration of Multiple Classification Methods within the AdaBoost Framework Peer-reviewed

Yoshihiro Sugaya, Kei Sugibuchi, Shinichiro Omachi

IIEEJ Transactions on Image Electronics and Visual Computing　3　(2)　174-184　2015/12/21

ISSN： 2188-191X

顕著性マップとGrabCutによる注目物体抽出を用いた動画像符号化

小笠原和也, 宮崎 智, 菅谷至寛, 大町真一郎

Proceedings of the 2015 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2015　115-115　2015/08/27

DOI： 10.11528/tsjc.2015.0_115 　

電子基板の欠陥検査のための文字認識

吉田大樹, 宮崎 智, 菅谷至寛, 大町真一郎

Proceedings of the 2015 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2015　128-128　2015/08/27

DOI： 10.11528/tsjc.2015.0_128 　

Accuracy Improvement of Character Recognition Using Generated Samples by Morphing

Shuto Shinbo, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2015 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2015　31-31　2015/08/27

DOI： 10.11528/tsjc.2015.0_31 　

Gaze Detection in Omnidirectional Scene by Iterative Image Matching

Shun Chiba, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2015 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2015　30-30　2015/08/27

DOI： 10.11528/tsjc.2015.0_30 　

Survey of Guide Plates and Fundamental Study of Map Image Analysis for Indoor Navigation

Kento Tonosaki, Yoshihiro Sugaya, Tomo Miyazaki, Shinichiro Omachi

Proceedings of the 2015 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2015　127-127　2015/08/27

DOI： 10.11528/tsjc.2015.0_127 　

Construction of Models for Data Generation Considering Data Distribution Peer-reviewed

Masako Omachi, Shinichiro Omachi

Proceedings of International Conference on Information Technology and Engineering　13-14　2015/08

Image Segmentation by Using Image Abstraction and 3D Information Peer-reviewed

Yoshihiro Sugaya, Hiroko Tsuchida, Shinichiro Omachi

The Journal of the Institute of Image Electronics Engineers of Japan　44　(3)　474-483　2015/07

DOI： 10.11371/iieej.44.474 　

ISSN： 2186-716X

付加情報の一般的な割り当て Peer-reviewed

岩村 雅一, 古谷 嘉男, 黄瀬 浩一, 大町 真一郎, 内田 誠一

電子情報通信学会論文誌D　J93-D　(5)　579-587　2015/05

屋内ナビゲーションのための案内板画像解析に関する研究

Kento TONOSAKI, Yoshihiro SUGAYA, Tomo MIYAZAKI, Shinichiro OMACHI

電子情報通信学会2015年総合大会 学生ポスターセッション　115-115　2015/03

画像分類のための非一様マハラノビス符号化の提案

松澤知己, 武井 渉, 大町真一郎, 加藤 毅

IPSJ SIG Technical Report　2015-CVIM-196　(13)　2015/03

Estimate of Viewpoint Positions in Environment Using Eye Tracker and Omnidirectional Camera

Shun Chiba, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　114　(454)　101-102　2015/02/12

Character Detection with Stroke Width Features from Scene Image

Yasushi Oshima, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　114　(454)　99-100　2015/02/12

Efflciency Sprit Compression Using lmage Abstraction

Ryosuke Ishimori, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　114　(454)　97-98　2015/02/12

Ultra-low Resolution Character Recognition by Utilizing Multiple Frames

Shuhei Toba, Hirotaka Kudo, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　114　(454)　95-96　2015/02/12

Development of Character Recognition System with Hybrid Compact MQDF Peer-reviewed

Yutaka Katsuyama, Shinichiro Omachi

IEICE Transactions on Information and Systems (Japanese Edition)　J98-D　(2)　309-318　2015/02

DOI： 10.14923/transinfj.2014JDP7090 　

Finding Stroke Parts for Rough Text Detection in Scene Images with Random Forest Peer-reviewed

Tomo Miyazaki, Shinichiro Omachi

Proceedings of 2015 Joint Conference of IWAIT and IFMIA　2015/01/11

Image segmentation by using image abstraction and 3D information

Yoshihiro Sugaya, Hiroko Tsuchida, Shinichiro Omachi

Journal of the Institute of Image Electronics Engineers of Japan　44　(3)　474-483　2015

ISSN： 1348-0316 0285-9831

Data Embedding into Characters Invited Peer-reviewed

Koichi Kise, Shinichiro Omachi, Seiichi Uchida, Masakazu Iwamura, Marcus Liwicki

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E98D　(1)　10-20　2015/01

DOI： 10.1587/transinf.2014MUI0002 　

ISSN： 1745-1361

Data Arrangement and Dimensional Compression using Vivaldi for Similarity Search on Structured Peer-to-peer Network Peer-reviewed

Yoshihiro Sugaya, Koh Motoyama, Shinichiro Omachi

2015 IEEE INTERNATIONAL CONFERENCE ON CONSUMER ELECTRONICS - TAIWAN (ICCE-TW)　39-40　2015

DOI： 10.1109/ICCE-TW.2015.7216959 　

Ultra-low Resolution Character Recognition System with Pruning Mutual Subspace Method Peer-reviewed

Shuhei Toba, Hirotaka Kudo, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

2015 IEEE INTERNATIONAL CONFERENCE ON CONSUMER ELECTRONICS - TAIWAN (ICCE-TW)　284-285　2015

DOI： 10.1109/ICCE-TW.2015.7216900 　

Estimation of Gazing Points in Environment Using Eye Tracker and Omnidirectional Camera Peer-reviewed

Shun Chiba, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

2015 IEEE INTERNATIONAL CONFERENCE ON CONSUMER ELECTRONICS - TAIWAN (ICCE-TW)　47-48　2015

DOI： 10.1109/ICCE-TW.2015.7217003 　

Mahalanobis encodings for visual categorization Peer-reviewed

Tomoki Matsuzawa, Raissa Relator, Wataru Takei, Shinichiro Omachi, Tsuyoshi Kato

IPSJ Transactions on Computer Vision and Applications　7　69-73　2015

DOI： 10.2197/ipsjtcva.7.69 　

ISSN： 1882-6695

構造化P2Pネットワークにおける類似度検索のための次元圧縮手法の検討

本山 洸, 菅谷至寛, 大町真一郎

マルチメディア通信と分散処理ワークショップ論文集　2014　(5)　91-92　2014/12/01

Split Compression Using Image Abstraction for Object-Based Encoding

Ryosuke Ishimori, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

PCSJ2014　2014/11

A Video Coding Method for Text using Character Parameters

Yosuke Nozue, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

PCSJ2014　2014/11

Hierarchical Embedment of Supplementary Information into Character Patterns by Changing Color Peer-reviewed

Shohei Okugi, Yoshihiro Sugaya, Shinichiro Omachi

The Journal of the Institute of Image Electronics Engineers of Japan　43　(4)　525-533　2014/09

DOI： 10.11371/iieej.43.525 　

ISSN： 0285-9831

抽象化を用いた画像圧縮のための領域分割

石森亮輔, 菅谷至寛, 大町真一郎

Proceedings of the 2014 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2014/08/21

構造化P2Pネットワークを用いた高次元情報の探索

本山 洸, 菅谷至寛, 大町真一郎

Proceedings of the 2014 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2014/08/21

A Video Coding Method for Scene Text

Yosuke Nozue, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2014 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2014/08/21

Ultra-Low Resolution Character Recognition with Increased Training Data and Image Enhancement

Shuhei Toba, Hirotaka Kudo, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2014 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2014/08/21

Automatic Generation of Kanji Fonts from Sample Designs

Tatsunori Tsuchiya, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2014 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2014/08/21

全方位情景画像のための2段階文字列検出

Yasushi OSHIMA, Tomo MIYAZAKI, Yoshihiro SUGAYA, Shinichiro OMACHI

2014年 画像の認識・理解シンポジウム (MIRU2014)　2014/07

ぼけ除去及び複数フレームを利用した超低解像度文字認識

Shuhei TOBA, Hirotaka KUDO, Tomo MIYAZAKI, Yoshihiro SUGAYA, Shinichiro OMACHI

2014年 画像の認識・理解シンポジウム (MIRU2014)　2014/07

サンプルデザインからの漢字フォントの自動生成

Tatsunori TSUCHIYA, Tomo MIYAZAKI, Yoshihiro SUGAYA, Shinichiro OMACHI

2014年 画像の認識・理解シンポジウム (MIRU2014)　2014/07

Tooth shape reconstruction from dental CT images with the region-growing method Peer-reviewed

R. Yanagisawa, Y. Sugaya, S. Kasahara, S. Omachi

DENTOMAXILLOFACIAL RADIOLOGY　43　(6)　2014/07

DOI： 10.1259/dmfr.20140080 　

ISSN： 0250-832X

eISSN： 1476-542X

A Comparable Study on Dimensionality Reduction for Similarity Search in Distributed Network

Kou Motoyama, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2014 IEICE General Conference　568-568　2014/03

効率的な映像符号化のための画像抽象化法の比較検討

Ryosuke ISHIMORI, Tomo MIYAZAKI, Yoshihiro Sugaya, Shinichiro Omachi

電子情報通信学会2014年総合大会 学生ポスターセッション　251-251　2014/03

Character Region Extraction by Exploiting Auxiliary Lines

Shiori Kawamura, Tomo Miyazaki, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　113　(431)　119-120　2014/02/06

認識に基づくReading-Life Logのための諸検討

上村将之, フリンケン フォルクマー, フォン ヤオカイ, 内田誠一, 岩村雅一, 大町真一郎, 黄瀬浩一

IEICE Technical Report　113　(431)　115-116　2014/02/06

画像認識のためのマハラノビス符号化法の提案

Wataru Takei, Katsuya Hosobori, Tsuyoshi Kato, Shinichiro Omachi

IEICE Technical Report　113　(402)　201-206　2014/01/16

A Study on Detection of Incorrect Nodes by Using Spring Model in Localization System

Yuta Nakano, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　113　(399)　179-184　2014/01/16

More than ink - Realization of a data-embedding pen Peer-reviewed

Marcus Liwicki, Seiichi Uchida, Akira Yoshida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

PATTERN RECOGNITION LETTERS　35　(1)　246-255　2014/01

DOI： 10.1016/j.patrec.2012.09.001 　

ISSN： 0167-8655

eISSN： 1872-7344

Recovery and localization of handwritings by a camera-pen based on tracking and document image retrieval Peer-reviewed

Megumi Chikano, Koichi Kise, Masakazu Iwamura, Seiichi Uchida, Shinichiro Omachi

PATTERN RECOGNITION LETTERS　35　(1)　214-224　2014/01

DOI： 10.1016/j.patrec.2012.10.003 　

ISSN： 0167-8655

eISSN： 1872-7344

Information Embedment to Character Patterns Using Color

Shohei Okugi, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　113　(291)　31-36　2013/11/07

Activity Recognition for the Mind: Toward a Cognitive "Quantified Self"

Kai Kunze, Masakazu Iwamura, Koichi Kise, Seiichi Uchida, Shinichiro Omachi

COMPUTER　46　(10)　105-108　2013/10

DOI： 10.1109/MC.2013.339 　

ISSN： 0018-9162

eISSN： 1558-0814

色情報を用いた文字パターンへの付加情報埋め込みに関する実験的検討

Shohei Okugi, Yoshihiro Sugaya, Shinichiro Omachi

2013年 画像の認識・理解シンポジウム (MIRU2013)　2013/07

文字情報を高精細に伝送するための量子化テーブルの検討

Shota KANEKO, Yoshihiro SUGAYA, Shinichiro OMACHI

2013年 画像の認識・理解シンポジウム (MIRU2013)　2013/07

ステレオカメラを用いた交通信号灯認識高精度化の実験的検討

Hiroki MOIZUMI, Yoshihiro SUGAYA, Masako OMACHI, Shinichiro OMACHI

2013年 画像の認識・理解シンポジウム (MIRU2013)　2013/07

A discriminative metric learning algorithm for face recognition Peer-reviewed

Tsuyoshi Kato, Wataru Takei, Shinichiro Omachi

IPSJ Transactions on Computer Vision and Applications　5　85-89　2013/07

DOI： 10.2197/ipsjtcva.5.85 　

ISSN： 1882-6695

A Proposal of Writing-Life Log and Its Implementation Using a Retrieval-Based Camera-Pen Peer-reviewed

Koichi Kise, Riki Kudo, Masakazu Iwamura, Seiichi Uchida, Shinichiro Omachi

Proceedings of the 16th International Graphonomics Society Conference (IGS 2013)　86-89　2013/06

Reading-Life Logの実装

木村崇志, フォン ヤオカイ, 内田誠一, 岩村雅一, 大町真一郎, 黄瀬浩一

IEICE Technical Report　112　(495)　231-236　2013/03/07

Detection of Incorrect Nodes in Localization System

Yuta Nakano, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2013 IEICE General Conference　2013　(2)　218-218　2013/03/05

Traffic Light Detection Considering Color Saturation

Hiroki Moizumi, Yoshihiro Sugaya, Masako Omachi, Shinichiro Omachi

Proceedings of the 2013 IEICE General Conference　2013　(2)　184-184　2013/03/05

Basic Study on Information Embedment into Character Patterns with Color

Shohei Okugi, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2013 IEICE General Conference　2013　(2)　97-97　2013/03/05

Image Compression Method for Transmission of Text Information in Image

Shota Kaneko, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of the 2013 IEICE General Conference　2013　(2)　68-68　2013/03/05

Traffic Lights Recognition Considering Color Saturation with Stereo Cameras on the Vehicle

Hiroki Moizumi, Yoshihiro Sugaya, Masako Omachi, Shinichiro Omachi

IEICE Technical Report　112　(441)　127-128　2013/02/14

Information Embedment into Character Patterns with Color for Recognition

Shohei Okugi, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　112　(441)　125-126　2013/02/14

Image compression method for transmitting high-definition character information

Shota Kaneko, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　112　(441)　123-124　2013/02/14

Data-Embedding Pen

Seiichi Uchida, Marcus Liwicki, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Advances in Multimedia and Interactive Technologies　396-411　2013

DOI： 10.4018/978-1-4666-2217-3.ch018 　

ISSN： 2327-929X

eISSN： 2327-9303

A Practical Method for Realizing Large-scale and Flexible Demand Response

Toshitsugu Gunji, Yoshihiro Sugaya, Shinichiro Omachi

2013 IEEE PES INNOVATIVE SMART GRID TECHNOLOGIES (ISGT)　2013

DOI： 10.1109/ISGT.2013.6497885 　

The Reading-life Log - Technologies to Recognize Texts That We Read Peer-reviewed

Takashi Kimura, Rong Huang, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

2013 12TH INTERNATIONAL CONFERENCE ON DOCUMENT ANALYSIS AND RECOGNITION (ICDAR)　91-95　2013

DOI： 10.1109/ICDAR.2013.26 　

ISSN： 1520-5363

High speed and high accuracy pre-classification method for OCR: Margin added hashing Peer-reviewed

Yutaka Katsuyama, Yoshinobu Hotta, Masako Omachi, Shinichiro Omachi

IEICE Transactions on Information and Systems　E96-D　(9)　2087-2095　2013

DOI： 10.1587/transinf.E96.D.2087 　

ISSN： 1745-1361 0916-8532

Compression of Scene Images by Region Segmentation and Text Detection Invited

Shinichiro Omachi, Shota Kaneko, Hiroko Tsuchida, Yoshihiro Sugaya

Proceedings of the 15th International Symposium on Wireless Personal Multimedia Communications　493-493　2012/09/24

A Primary Study on Location Estimation System for Ad-hoc Networks with Considering Incorrect Nodes Invited

Yoshihiro Sugaya, Masahito Okamoto, Yuta Nakano, Shinichiro Omachi

Proceedings of the 15th International Symposium on Wireless Personal Multimedia Communications　577-578　2012/09/24

A Statistical Analysis on Operation Scheduling for an Energy Network Project Peer-reviewed

Yoshihiro Sugaya, Shinichiro Omachi, Akira Takeuchi, Yousuke Nozaki

IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS　23　(9)　1583-1592　2012/09

DOI： 10.1109/TPDS.2012.52 　

ISSN： 1045-9219

eISSN： 1558-2183

The Available Telecommunications Services at Serious Disaster Invited

Sadao Shoji, Takafumi Aoki, Akinori Ito, Shinichiro Omachi, Koichi Ito

IEICE Technical Report　112　(209)　69-70　2012/09

文字情報を高精細に伝送するための画像圧縮法

兼子翔太, 菅谷至寛, 大町真一郎

Proceedings of the 2012 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2012　95-95　2012/08/30

DOI： 10.11528/tsjc.2012.0_95 　

グリッドによる文字パターンへの情報埋め込み

奥木翔平, 菅谷至寛, 大町真一郎

Proceedings of the 2012 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2012　99-99　2012/08/30

DOI： 10.11528/tsjc.2012.0_99 　

ステレオカメラを使った信号灯認識

茂泉拓紀, 菅谷至寛, 大町方子, 大町真一郎

Proceedings of the 2012 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan　2012　100-100　2012/08/30

DOI： 10.11528/tsjc.2012.0_100 　

分光感度特性を用いたIKONOS 衛星画像の融合処理

塚本直子, 菅谷至寛, 大町真一郎

Proceedings of the Meeting on Image Recognition and Understanding 2012　2012/08/05

GrabCutを用いたCTスライス画像からの歯の３次元形状抽出

長岡俊樹, 菅谷至寛, 笠原 紳, 大町真一郎

Proceedings of the Meeting on Image Recognition and Understanding 2012　2012/08/05

動画像を用いた混合相互部分空間法による低解像度文字認識

工藤裕貴, 菅谷至寛, 大町真一郎

Proceedings of the Meeting on Image Recognition and Understanding 2012　2012/08/05

画像抽象化と視差情報を用いた領域分割

土田寛子, 菅谷至寛, 大町真一郎

Proceedings of the Meeting on Image Recognition and Understanding 2012　2012/08/05

Affine-invariant character recognition by progressive removing Peer-reviewed

Masakazu Iwamura, Akira Horimatsu, Ryo Niwa, Koichi Kise, Seiichi Uchida, Shinichiro Omachi

ELECTRICAL ENGINEERING IN JAPAN　180　(2)　55-63　2012/07

DOI： 10.1002/eej.22276 　

ISSN： 0424-7760

eISSN： 1520-6416

Fusion of Satellite Imagery Using IHS Transform

Naoko Tsukamoto, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　111　(430)　123-124　2012/02/02

Pattern Recognition with Gaussian Mixture Models of Marginal Distributions

IEICE INFORMATION AND SYSTEMS SOCIETY JOURNAL　17　(3)　14-14　2012

DOI： 10.1587/ieiceissjournal.17.3_14 　

Low-Resolution Character Recognition with Compound Mutual Subspace Method

Hirotaka Kudo, Yoshihiro Sugaya, Shinichiro Omachi

PROCEEDINGS OF 2012 IEEE 11TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING (ICSP) VOLS 1-3　654-658　2012

DOI： 10.1109/ICoSP.2012.6491572 　

ISSN： 2164-5221

Efficient Image Compression with Detecting Text Regions

Shota Kaneko, Yoshihiro Sugaya, Shinichiro Omachi

PROCEEDINGS OF 2012 IEEE 11TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING (ICSP) VOLS 1-3　650-653　2012

DOI： 10.1109/ICoSP.2012.6491571 　

ISSN： 2164-5221

A Study on Caption Recognition for Multi-Color Characters on Complex Background

Yutaka Katsuyama, Akihiro Minagawa, Yoshinobu Hotta, Jun Sun, Shinichiro Omachi

2012 IEEE INTERNATIONAL SYMPOSIUM ON MULTIMEDIA (ISM)　401-407　2012

DOI： 10.1109/ISM.2012.83 　

カメラペンシステムにおける筆跡復元精度の向上 Invited

近野 恵, 黄瀬浩一, 岩村雅一, 内田誠一, 大町真一郎

IEICE Technical Report　111　(317)　13-18　2011/11/17

ISSN： 0913-5685

Character Strings Detection Using Omni-Directional Camera with Edge Information Invited

Yuusuke Natsume, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　111　(317)　39-43　2011/11/17

ISSN： 0913-5685

Region Segmentation with Vector Flow and Disparity Map Invited

Hiroko Tsuchida, Yoshihiro Sugaya, Shinichiro Omachi

IEICE Technical Report　111　(317)　39-43　2011/11/17

ISSN： 0913-5685

Extraction of 3D Shape of Tooth with Three-Dimensional Contours of CT Images

Toshiki Nagaoka, Ryuichi Yanagisawa, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of 2011 China-Korea-Japan Electronics and Communications Conference (ECC2011)　2011/10

Separation of Decorative Characters into Skeleton Parts and Decoration Parts

Yuji Soma, Yoshihiro Sugaya, Shinichiro Omachi

Proceedings of 2011 China-Korea-Japan Electronics and Communications Conference (ECC2011)　2011/10

The Data-Embeddign Pen Invited

Seiichi Uchida, Marcus Liwicki, Masakazu Iwamura, Koichi Kise, Shinichiro Omachi

IEICE Technical Report　111　(74)　17-22　2011/05

Pattern recognition using boundary data of component distributions Peer-reviewed

Masako Omachi, Shinichiro Omachi, Hirotomo Aso, Tsuneo Saito

COMPUTERS & INDUSTRIAL ENGINEERING　60　(3)　466-472　2011/04

DOI： 10.1016/j.cie.2010.08.007 　

ISSN： 0360-8352

Generation of Character Patterns from Sample Character Images

Hiroya Saito, Yoshihiro Sugaya, Shinichiro Omachi, Seiichi Uchida, Masakazu Iwamura, Koichi Kise

IEICE Technical Report　110　(467)　293-298　2011/03/03

ISSN： 0913-5685

Consideration for Control RTTs by Decentralized Network Coordinate System

Takashi Nakamura, Yoshihiro Sugaya, Shinichiro Omachi

IPSJ SIG Technical Report　2011-DPS-146　(25)　1-7　2011/03

Run Times Prediction for Load Balancing Efficiently Peer-reviewed

Yoshihiro Sugaya, Yuki Tanno, Shinichiro Omachi, Hirotomo Aso

IPSJ Journal　52　(2)　780-791　2011/02/15

ISSN： 1882-7764

Pattern Recognition with Gaussian Mixture Models of Marginal Distributions Peer-reviewed

Masako Omachi, Shinichiro Omachi

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E94D　(2)　317-324　2011/02

DOI： 10.1587/transinf.E94.D.317 　

ISSN： 1745-1361

Extraction of 3D Shape of a Tooth from Dental CT Images with Region Growing Method Peer-reviewed

Ryuichi Yanagisawa, Shinichiro Omachi

COMPUTATIONAL FORENSICS　6540　68-77　2011

DOI： 10.1007/978-3-642-19376-7_6 　

ISSN： 0302-9743

Tree Graph Recognition by Using Kernel Method Peer-reviewed

Mingming Zhang, Shinichiro Omachi

Journal of the Institute of Image Electronics Engineers of Japan　40　(2)　306-313　2011

DOI： 10.11371/iieej.40.306 　

ISSN： 1348-0316 0285-9831

Representative Graph Generation for Graph-Based Character Recognition Peer-reviewed

Tomo Miyazaki, Shinichiro Omachi

Journal of the Institute of Image Electronics Engineers of Japan　40　(3)　439-447　2011

DOI： 10.11371/iieej.40.439 　

ISSN： 1348-0316 0285-9831

Affine invariant character recognition by progressive removing Peer-reviewed

Masakazu Iwamura, Akira Horimatsu, Ryo Niwa, Koichi Kise, Seiichi Uchida, Shinichiro Omachi

IEEJ Transactions on Industry Applications　131　(7)　873-879　2011

DOI： 10.1541/ieejias.131.873 　

ISSN： 0913-6339 1348-8163

Comparative Study on Color Components for PCA-Based Face Recognition Peer-reviewed

Dongzhu Yin, Yoshihiro Sugaya, Shinichiro Omachi, Hirotomo Aso

Journal of the Institute of Image Electronics Engineers of Japan　40　(4)　671-678　2011

DOI： 10.11371/iieej.40.671 　

ISSN： 1348-0316 0285-9831

Reliable Online Stroke Recovery from Offline Data with the Data-Embedding Pen Peer-reviewed

Marcus Liwicki, Yoshida Akira, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

11TH INTERNATIONAL CONFERENCE ON DOCUMENT ANALYSIS AND RECOGNITION (ICDAR 2011)　1384-1388　2011

DOI： 10.1109/ICDAR.2011.278 　

ISSN： 1520-5363

Handwriting on paper as a cybermedium

Akira Yoshida, Marcus Liwichi, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　6884　(4)　204-211　2011

DOI： 10.1007/978-3-642-23866-6_22 　

ISSN： 0302-9743 1611-3349

Augmented Handwritings by Data-Embedding Pen Peer-reviewed

Akira Yoshida, Marcus Liwicki, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of The 2nd China-Japan-Korea Joint Workshop on Pattern Recognition (CJKPR2010)　213-215　2010/11

Is quantity better than quality? -A study case on a simple classifier applied to digit character recognition-

Sabine Barrat, Geoffrey Alary, Masakazu Iwamura, Koichi Kise, Seiichi Uchida, Shinichiro Omachi

IEICE Technical Report　110　(187)　75-80　2010/08/29

ISSN： 0913-5685

Fast Image Retrieval with Color Histogram Considering Starting Point and Prediction of Possible Amount of Pruning Peer-reviewed

Taichi Kumada, Shinichiro Omachi, Hirotomo Aso

IPSJ Journal　51　(8)　1469-1477　2010/08/16

ISSN： 1882-7837

Novel Confidence Feature Extraction Algorithm Based on Latent Topic Similarity Peer-reviewed

Wei Chen, Gang Liu, Jun Guo, Shinichiro Omachi, Masako Omachi, Yujing Guo

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E93D　(8)　2243-2251　2010/08

DOI： 10.1587/transinf.E93.D.2243 　

ISSN： 0916-8532

Accuracy Improvement of Document Image Retrieval on a Camera-Pen System by Coping with Projective Distortion

Megumi Chikano, Kazumasa Iwata, Koichi Kise, Masakazu Iwamura, Seiichi Uchida, Shinichiro Omachi

Proceedings of the Meeting on Image Recognition and Understanding 2010　239-246　2010/07/26

A General Assignment of Supplementary Information Peer-reviewed

Masakazu Iwamura, Yoshio Furuya, Koichi Kise, Shinichiro Omachi, Seiichi Uchida

IEICE Transactions on Information and Systems (Japanese Edition)　J93-D　(5)　579-587　2010/05/01

ISSN： 1880-4535

Improvement of Accuracy of Document Image Retrieval by Expanding Queries and Databases

Megumi Chikano, Kazumasa Iwata, Koichi Kise, Msakazu Iwamura, Seiichi Uchida, Shinichiro Omachi

IEICE Technical Report (PRMU)　109　(470)　507-512　2010/03/08

ISSN： 0913-5685

Constructing Network in light of Communication delay for Sharing Idle Computational Resources

Takashi Nakamura, Yoshihiro Sugaya, Shinichiro Omachi

IPSJ SIG Technical Report　2010-DPS-142　(11)　1-7　2010/03

String Detection from Scene Images by Binarization and Edge Detection Peer-reviewed

Yusuke Matsuda, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J93-D　(3)　336-344　2010/03/01

ISSN： 1880-4535

Quality Analysis of Handwriting Recovery from Pen-Tip Camera Images

Shuji Tajima, Seiichi Uchida, Masakazu Iwamura, Shinichirou Omachi, Kouichi Kise

IEICE Technical Report (PRMU)　109　(418)　7-12　2010/02/11

ISSN： 0913-5685

Camera Pen System Using Feature Tracking and Document Image Retrieval

Kazumasa Iwata, Koichi Kise, Msakazu Iwamura, Seiichi Uchida, Shinichiro Omachi

IEICE Technical Report (PRMU)　109　(418)　39-44　2010/02/11

ISSN： 0913-5685

An Interface for Embedding Online Information During Writing

Marcus Liwicki, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Kouichi Kise

IEICE Technical Report (PRMU)　109　(418)　105-110　2010/02/11

ISSN： 0913-5685

Tooth shape reconstruction from dental micro CT images Peer-reviewed

Shin Kasahara, Shinichiro Omachi, Hirotomo Aso, Kousuke Saito, Satoshi Yamada

INTERFACE ORAL HEALTH SCIENCE 2009　300-+　2010

DOI： 10.1007/978-4-431-99644-6_86 　

Simultaneous Clustering and Dimensionality Reduction Using Variational Bayesian Mixture Model Peer-reviewed

Kazuho Watanabe, Shotaro Akaho, Shinichiro Omachi, Masato Okada

CLASSIFICATION AS A TOOL FOR RESEARCH　81-89　2010

DOI： 10.1007/978-3-642-10745-0_8 　

ISSN： 1431-8814

A New Pre-classification Method based on Associative Matching Method Peer-reviewed

Yutaka Katsuyama, Akihiro Minagawa, Yoshinobu Hotta, Shinichiro Omachi, Nei Kato

DOCUMENT RECOGNITION AND RETRIEVAL XVII　7534　75340K　2010

DOI： 10.1117/12.838842 　

ISSN： 0277-786X

Reconstruction of Handwritings via Pen-Tip Camera Images Peer-reviewed

Seiichi Uchida, Katsuhiro Ito, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

IEICE Transactions on Information and Systems (Japanese Edition)　J93-D　(1)　64-67　2010/01/01

ISSN： 1880-4535

Data-embedding pen-augmenting ink strokes with meta-information Peer-reviewed

Marcus Liwicki, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

ACM International Conference Proceeding Series　43-51　2010

DOI： 10.1145/1815330.1815336 　

Expansion of queries and databases for improving the retrieval accuracy of document portions: An application to a camera-pen system Peer-reviewed

Koichi Kise, Masakazu Iwamura, Megumi Chikano, Seiichi Uchida, Kazumasa Iwata, Shinichiro Omachi

ACM International Conference Proceeding Series　309-316　2010

DOI： 10.1145/1815330.1815370 　

Indexing Tree and Subtree by Using a Structure Network Peer-reviewed

Mingming Zhang, Shinichiro Omachi

STRUCTURAL, SYNTACTIC, AND STATISTICAL PATTERN RECOGNITION　6218　244-253　2010

DOI： 10.1007/978-3-642-14980-1_23 　

ISSN： 0302-9743

“Slanted Character Recognition by Subspace Method and Fast Fourier Transform” Peer-reviewed

Fang Zhang, Yoshihiro Sugaya, Shinichiro Omachi, Hirotomo Asott

Journal of the Institute of Image Electronics Engineers of Japan　39　(5)　598-605　2010

DOI： 10.11371/iieej.39.598 　

ISSN： 1348-0316 0285-9831

Comparative Study on Different Color Space Models for Skin Color Segmentation Peer-reviewed

Dongzhu Yin, Yoshihiro Sugaya, Shinichiro Omachi, Hirotomo Aso

Journal of the Institute of Image Electronics Engineers of Japan　39　(5)　606-614　2010

DOI： 10.11371/iieej.39.606 　

ISSN： 1348-0316 0285-9831

Measuring tree structure by mapping on its power set Peer-reviewed

Mingming Zhang, Shinichiro Omachi

Proceedings - 2010 2nd IEEE International Conference on Network Infrastructure and Digital Content, IC-NIDC 2010　844-848　2010

DOI： 10.1109/ICNIDC.2010.5657989 　

Fast method for extracting representative graph from decorative character images Peer-reviewed

Tomo Miyazaki, Shinichiro Omachi

Proceedings - 2010 2nd IEEE International Conference on Network Infrastructure and Digital Content, IC-NIDC 2010　219-223　2010

DOI： 10.1109/ICNIDC.2010.5657776 　

Detection of Traffic Light Using Structural Information Peer-reviewed

Masako Omachi, Shinichiro Omachi

2010 IEEE 10TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING PROCEEDINGS (ICSP2010), VOLS I-III　1　809-+　2010

DOI： 10.1109/ICOSP.2010.5655932 　

Embedding Meta-information in handwriting - Reed-solomon for reliable error correction Peer-reviewed

Marcus Liwicki, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings - 12th International Conference on Frontiers in Handwriting Recognition, ICFHR 2010　51-56　2010

DOI： 10.1109/ICFHR.2010.127 　

Tracking and retrieval of pen tip positions for an intelligent camera pen Peer-reviewed

Kazumasa Iwata, Koichi Kise, Masakazu Iwamura, Seiichi Uchida, Shinichiro Omachi

Proceedings - 12th International Conference on Frontiers in Handwriting Recognition, ICFHR 2010　277-282　2010

DOI： 10.1109/ICFHR.2010.50 　

Variational Bayesian Mixture Model on a Subspace of Exponential Family Distributions Peer-reviewed

Kazuho Watanabe, Shotaro Akaho, Shinichiro Omachi, Masato Okada

IEEE TRANSACTIONS ON NEURAL NETWORKS　20　(11)　1783-1796　2009/11

DOI： 10.1109/TNN.2009.2029694 　

ISSN： 1045-9227

Designing Conspicuous Character Pattern Peer-reviewed

Seiichi Uchida, Ryoji Hattori, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the Meeting on Image Recognition and Understanding 2009　182-189　2009/07/20

Structure Extraction from Multiple Decorative Character Images by Common Supergraph

Tomo Miyazaki, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2009　506-512　2009/07/20

Combining Classifiers Derived from Multiple Classification Methods Using AdaBoost Algorithm

Kei Sugibuchi, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2009　880-886　2009/07/20

Extraction of 3D Shape of Teeth from Dental CT Image Based on Characteristics of Dental Structure

Ryuichi Yanagisawa, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2009　1449-1455　2009/07/20

Document-Level Positioning of a Pen Tip by Retrieval of Image Fragments Peer-reviewed

Koichi Kise, Kazumasa Iwata, Tomohiro Nakai, Masakazu Iwamura, Seiichi Uchida, Shinichiro Omachi

Proceedings of the Third International Workshop on Camera-Based Document Analysis and Recognition (CBDAR 2009)　61-68　2009/07

Character Image Extraction from a Scene Image Using Color Information and Multiscale Analysis Peer-reviewed

Shinichiro Omachi, Yuusuke Matsuda, Hirotomo Aso

Proceedings of the Third International Workshop on Camera-Based Document Analysis and Recognition (CBDAR 2009)　87-92　2009/07

Selecting and Evaluating Conspicuous Character Patterns Peer-reviewed

Seiichi Uchida, Ryoji Hattori, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the Third International Workshop on Camera-Based Document Analysis and Recognition (CBDAR 2009)　111-118　2009/07

On a Possibility of Pen-Tip Camera for the Reconstruction of Handwritings Peer-reviewed

Seiichi Uchida, Katsuhiro Itou, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the Third International Workshop on Camera-Based Document Analysis and Recognition (CBDAR 2009)　119-126　2009/07

Segmenting Shape Using Deformation Information Peer-reviewed

Ruiqi Guo, Shinichiro Omachi, Hirotomo Aso

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E92D　(6)　1296-1303　2009/06

DOI： 10.1587/transinf.E92.D.1296 　

ISSN： 0916-8532

Conspicious Character Patterns

Ryoji Hattori, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

IEICE Technical Report (PRMU)　108　(432)　7-12　2009/02/12

ISSN： 0913-5685

Recovering Handwritings via Pen-tip Camera

Katsuhiro Ito, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

IEICE Technical Report (PRMU)　108　(432)　19-24　2009/02/12

ISSN： 0913-5685

String Detection from Scene Images Using NAT Method and Edge Information

Yusuke Matsuda, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　108　(432)　87-92　2009/02/12

ISSN： 0913-5685

Dewarping of Planar Document Image without Layout Constraints

Ryo Niwa, Masakazu Iwamura, Kouichi Kise, Seiichi Uchida, Sinichiro Omachi

IEICE Technical Report (PRMU)　108　(432)　151-156　2009/02/12

ISSN： 0913-5685

Layout-free dewarplng of planar document images Peer-reviewed

Masakazu Iwamura, Ryo Niwa, Akira Horimatsu, Koichi Kise, Seiichi Uchida, Shinichiro Omachi

Proceedings of SPIE - The International Society for Optical Engineering　7247　72470X　2009

DOI： 10.1117/12.806122 　

ISSN： 0277-786X

Conspicuous character patterns Peer-reviewed

Seiichi Uchida, Ryoji Hattori, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the International Conference on Document Analysis and Recognition, ICDAR　16-20　2009

DOI： 10.1109/ICDAR.2009.196 　

ISSN： 1520-5363

Capturing digital ink as retrieving fragments of document images Peer-reviewed

Kazumasa Iwata, Koichi Kise, Tomohiro Nakai, Masakazu Iwamura, Seiichi Uchida, Shinichiro Omachi

Proceedings of the International Conference on Document Analysis and Recognition, ICDAR　1236-1240　2009

DOI： 10.1109/ICDAR.2009.192 　

ISSN： 1520-5363

Traffic Light Detection with Color and Edge Information Peer-reviewed

Masako Omachi, Shinichiro Omachi

2009 2ND IEEE INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND INFORMATION TECHNOLOGY, VOL 2　2　284-+　2009

DOI： 10.1109/ICCSIT.2009.5234518 　

“Silhouette Image Recognition by Embedding Graphs into Vector Space” Peer-reviewed

Mingming Zhang, Shinichiro Omachi, Hirotomo Aso

Journal of the Institute of Image Electronics Engineers of Japan　38　(5)　634-639　2009

DOI： 10.11371/iieej.38.634 　

ISSN： 1348-0316 0285-9831

“Silhouette Image Recognition with Weighted Minimum Common Supergraph” Peer-reviewed

Tomo Miyazaki, Shinichiro Omachi, Hirotomo Aso

Journal of the Institute of Image Electronics Engineers of Japan　38　(5)　640-647　2009

DOI： 10.11371/iieej.38.640 　

ISSN： 1348-0316 0285-9831

“Fast Template Matching of Designated Regions Based on Polynomial Approximation” Peer-reviewed

Masako Omachi, Shinichiro Omachi

Journal of the Institute of Image Electronics Engineers of Japan　38　(5)　648-655　2009

DOI： 10.11371/iieej.38.648 　

ISSN： 1348-0316 0285-9831

“Fast Detection of Traffic Light with Color and Edge Information” Peer-reviewed

Masako Omachi, Shinichiro Omachi

Journal of the Institute of Image Electronics Engineers of Japan　38　(5)　673-679　2009

DOI： 10.11371/iieej.38.673 　

ISSN： 1348-0316 0285-9831

Extraction of Representative Structure of Decorative Character Images Peer-reviewed

Tomo Miyazaki, Shinichiro Omachi, Hirotomo Aso

PROCEEDINGS OF THE 2009 CHINESE CONFERENCE ON PATTERN RECOGNITION AND THE FIRST CJK JOINT WORKSHOP ON PATTERN RECOGNITION, VOLS 1 AND 2　2　944-+　2009

DOI： 10.1109/CCPR.2009.5343952 　

A Graph Representation for Silhouette Based on Multiscale Analysis Peer-reviewed

MingMing Zhang, Shinichiro Omachi, Hirotomo Aso

PROCEEDINGS OF THE 2009 CHINESE CONFERENCE ON PATTERN RECOGNITION AND THE FIRST CJK JOINT WORKSHOP ON PATTERN RECOGNITION, VOLS 1 AND 2　2　837-839　2009

DOI： 10.1109/CCPR.2009.5343992 　

Construction of Multi-Template Dictionary for Pattern Recognition by Decreasing Region Overlaps Peer-reviewed

Masako Omachi, Shinichiro Omachi, Hirotomo Aso

Journal of the Institute of Image Electronics Engineers of Japan　38　(6)　883-889　2009

DOI： 10.11371/iieej.38.883 　

ISSN： 1348-0316 0285-9831

Silhouette Image Recognition with Generated Patterns by Morphing Peer-reviewed

Atsunori Nomoto, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J91-D　(12)　2988-2991　2008/12/01

ISSN： 1880-4535

A Primary Study on a Data-Embedding Pen Peer-reviewed

Kazuhiro Tanaka, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Journal of Human Interface Society　10　(4)　559-567　2008/11

Silhouette Image Recognition Peer-reviewed

Tomo Miyazaki, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Third Korea-Japan Joint Workshop on Pattern Recognition (KJPR 2008)　13-14　2008/11

Information Embedment with Cross Ratio of Areas for Accurate Camera-Based Character Recognition Peer-reviewed

Shinichiro Omachi, Masakazu Iwamura, Seiichi Uchida, Koichi Kise

Proceedings of the Third Korea-Japan Joint Workshop on Pattern Recognition (KJPR 2008)　111-112　2008/11

Semi-Automatic Reconstruction of Tooth Shape from CT Images by Contour Propagation Peer-reviewed

Shinichiro Omachi, Kousuke Saito, Hirotomo Aso, Shin Kasahara, Satoshi Yamada, Kohei Kimura

IEICE Transactions on Information and Systems (Japanese Edition)　J91-D　(9)　2426-2429　2008/09/01

ISSN： 1880-4535

Robust Object Detection in Various Lighting Conditions by Gamma Transform Peer-reviewed

Yumiko Togashi, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J91-D　(8)　2188-2191　2008/08/01

ISSN： 1880-4535

A General Theory of Supplementary Information Assignment and Analysis of Error Rates

Masakazu Iwamura, Yoshio Furuya, Koichi Kise, Shinichiro Omachi, Seiichi Uchida

Proceedings of the Meeting on Image Recognition and Understanding 2008　388-393　2008/07/29

Character Extraction from Scene Images Using Color Information and Multiscale Analysis

Yuusuke Matsuda, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2008　446-451　2008/07/29

High-Speed Object Detection by Color Information and SIFT Feature

Takahumi Kuno, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2008　715-720　2008/07/29

Rectification of Distorted Document Images Using Variants, Invariants and Normalization

Ryo Niwa, Akira Horimatsu, Masakazu Iwamura, Koichi Kise, Seiichi Uchida, Shinichiro Omachi

Proceedings of the Meeting on Image Recognition and Understanding 2008　1260-1265　2008/07/29

Strucure Extraction from Silhouette Images by Weighted Minimum Common Supergraph

Tomo Miyazaki, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2008　1408-1413　2008/07/29

Affine Invariant Character Recognition and Its Speeding Up

Akira Horimatsu, Ryo Niwa, Masakazu Iwamura, Koichi Kise, Seiichi Uchida, Shinichiro Omachi

Proceedings of the Meeting on Image Recognition and Understanding 2008　1450-1455　2008/07/29

Conspicious Character Synthesis

Ryoji Hattori, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the Meeting on Image Recognition and Understanding 2008　1456-1461　2008/07/29

Shape Segmentation Based on Learning of Deformation Models

Ruiqi Guo, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　108　(94)　1-5　2008/06/12

Fast Image Retrieval by Subspace Method with Polynomial Approximation Peer-reviewed

Shinichiro Omachi, Masako Omachi

IEICE Transactions on Information and Systems (Japanese Edition)　J91-D　(6)　1561-1568　2008/06

ISSN： 1880-4535

Parts Decomposition of Silhouette Shape and Category Classification Algorithm Peer-reviewed

Katsuhiko Kageyama, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J91-D　(5)　1305-1313　2008/05/01

ISSN： 1880-4535

Integration of Classification Methods Based on AdaBoost Algorithm Peer-reviewed

Makoto Horiuchi, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J91-D　(4)　1168-1171　2008/04/01

ISSN： 1880-4535

Silhouette Images Recognition by Edit Distance and Multidimensional Scaling

Mingming Zhang, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (IE)　107　(538)　297-300　2008/03/03

An Improvement of Instance-Based Skew Estimation

Megumi Sakai, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

IEICE Technical Report (PRMU)　107　(491)　1-6　2008/02/14

ISSN： 0913-5685

Document Skew Estimation by Instance-Based Learning Peer-reviewed

Seiichi Uchida, Megumi Sakai, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

IEICE Transactions on Information and Systems (Japanese Edition)　J91-D　(1)　136-138　2008/01/01

ISSN： 1880-4535

Skew Estimation by Instances Peer-reviewed

Seiichi Uchida, Megumi Sakai, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

PROCEEDINGS OF THE 8TH IAPR INTERNATIONAL WORKSHOP ON DOCUMENT ANALYSIS SYSTEMS　201-208　2008

DOI： 10.1109/DAS.2008.22 　

Affine Invariant Recognition of Characters by Progressive Pruning Peer-reviewed

Akira Horimatsu, Ryo Niwa, Masakazu Iwamura, Koichi Kise, Seiichi Uchida, Shinichiro Omachi

PROCEEDINGS OF THE 8TH IAPR INTERNATIONAL WORKSHOP ON DOCUMENT ANALYSIS SYSTEMS　237-+　2008

DOI： 10.1109/DAS.2008.88 　

Fast Two-Dimensional Template Matching with Fixed Aspect Ratio Based on Polynomial Approximation Peer-reviewed

Masako Omachi, Shinichiro Omachi

ICSP: 2008 9TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, VOLS 1-5, PROCEEDINGS　757-+　2008

DOI： 10.1109/ICOSP.2008.4697240 　

PARAMETER ESTIMATION OF GAUSSIAN MIXTURE MODEL UTILIZING BOUNDARY DATA Peer-reviewed

Masako Omachi, Shinichiro Omachi, Hirotomo Aso, Tsuneo Saito

PROCEEDINGS OF THE 38TH INTERNATIONAL CONFERENCE ON COMPUTERS AND INDUSTRIAL ENGINEERING, VOLS 1-3　291-297　2008

Relationship Between Errors of Supplementary Information and Misrecognition Rates

Yoshio Furuya, Masakazu Iwamura, Koichi Kise, Shinichiro Omachi, Seiichi Uchida

IEICE Technical Report (PRMU)　107　(384)　95-100　2007/12/06

ISSN： 0913-5685

Robust Estimation of Inverse Covariance Matrix by Shrinkage Technique

Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　107　(384)　119-123　2007/12/06

ISSN： 0913-5685

Extraction of Web Community Considering Layers Based on HITS Algorithm Peer-reviewed

Koji Ohtsuka, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J90-D　(12)　3161-3169　2007/12

ISSN： 1880-4535

Supplementary Information Embedment with Area Ratio for Camera-Based Character Recognition Peer-reviewed

Shinichiro Omachi, Masakazu Iwamura, Seiichi Uchida, Koichi Kise

IEICE Transactions on Information and Systems (Japanese Edition)　J90-D　(12)　3246-3256　2007/12

ISSN： 1880-4535

Recognition of line graph images in documents by tracing connected components Invited

Toshimichi Fuda, Shinichiro Omachi, Hirotomo Aso

Systems and Computers in Japan　38　(14)　103-114　2007/12

DOI： 10.1002/scj.10615 　

ISSN： 0882-1666 1520-684X

Extraction of Structure of Silhouette Images by Weighted Minimum Common Supergraph Peer-reviewed

Tomo Miyazaki, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Second Korea-Japan Joint Workshop on Pattern Recognition (KJPR 2007)　57-61　2007/10

Fast Visual Search Considering Cost of Histogram Construction Peer-reviewed

Shingo Taguchi, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J90-D　(10)　2858-2867　2007/10/01

ISSN： 1880-4535

Decorative character recognition by graph matching Peer-reviewed

Shinichiro Omachi, Shunichi Megawa, Hirotomo Aso

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E90D　(10)　1720-1723　2007/10

DOI： 10.1093/ietisy/e90-d.10.1720 　

ISSN： 0916-8532

Rectifying Perspective Distortion into Affine Distortion Using Variants and Invariants Peer-reviewed

Masakazu Iwamura, Ryo Niwa, Koichi Kise, Seiichi Uchida, Shinichiro Omachi

Proceedings of the Second International Workshop on Camera-Based Document Analysis and Recognition 2007 (CBDAR 2007)　138-145　2007/09

Instance-Based Skew Estimation of Document Images by a Combination of Variant and Invariant Peer-reviewed

Seiichi Uchida, Megumi Sakai, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the Second International Workshop on Camera-Based Document Analysis and Recognition 2007 (CBDAR 2007)　53-60　2007/09

FSA-Guided Optimal Segmentation and Its Application to Camera-Based Character Recognition Peer-reviewed

Seiichi Uchida, Megumi Sakai, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

IEICE Transactions on Information and Systems (Japanese Edition)　J90-D　(8)　1966-1976　2007/08/01

ISSN： 1880-4535

An approximation method of the quadratic discriminant function and its application to estimation of high-dimensional distribution Peer-reviewed

Shinichiro Omachi, Masako Omachi, Hirotomo Aso

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E90D　(8)　1160-1167　2007/08

DOI： 10.1093/ietisy/e90-d.8.1160 　

ISSN： 0916-8532

Fast template matching with polynomials Peer-reviewed

Shinichiro Omachi, Masako Omachi

IEEE TRANSACTIONS ON IMAGE PROCESSING　16　(8)　2139-2149　2007/08

DOI： 10.1109/TIP.2007.901243 　

ISSN： 1057-7149

Fast Visual Search by Global Pruning and Spiral Scanning Peer-reviewed

Shingo Taguchi, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J90-D　(7)　1765-1772　2007/07

ISSN： 1880-4535

Fast Image Retrieval by Subspace Method with Polynomials

Shinichiro Omachi, Masako Omachi

Proceedings of the Meeting on Image Recognition and Understanding 2007　181-188　2007/07

Rectifying Perspective Distortion into Affine Distortion Using Variants and Invariants

Ryo Niwa, Masakazu Iwamura, Koichi Kise, Seiichi Uchida, Shinichiro Omachi

Proceedings of the Meeting on Image Recognition and Understanding 2007　720-725　2007/07

Silhouette Image Recognition with Transformed Patterns by Morphing

Atsunori Nomoto, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2007　941-946　2007/07

Instance-Based Skew Detection of Document Images by a Combination of Variant and Invariant

Megumi Sakai, Seiichi Uchida, Shinichiro Omachi, Masakazu Iwamura, Koichi Kise

Proceedings of the Meeting on Image Recognition and Understanding 2007　1147-1152　2007/07

Structurization of Silhouette Images Using Medial Axis Transforms Peer-reviewed

Katsuhiko Kageyama, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J90-D　(6)　1568-1578　2007/06

ISSN： 1880-4535

Evaluation of Data Extraction Accuracy toward the Realization of Data-embedding Pen

Kazuhiro Tanaka, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

IEICE Technical Report (PRMU)　106　(605)　73-78　2007/03/08

ISSN： 0913-5685

Skew Detection of Document Images by a Combination of Variant and Invariant

Megumi Sakai, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

IEICE Technical Report (PRMU)　106　(605)　97-102　2007/03/08

ISSN： 0913-5685

Fast Deformable Template Matching for Isolated Character Recognition Peer-reviewed

Kazuya Negishi, Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J90-D　(2)　503-513　2007/02/01

ISSN： 1880-4535

Pattern Recognition with Supplementary Information Peer-reviewed

Masakazu Iwamura, Seiichi Uchida, Shinichiro Omachi, Koichi Kise

IEICE Transactions on Information and Systems (Japanese Edition)　J90-D　(2)　460-470　2007/02/01

ISSN： 1880-4535

Extraction of embedded class information from universal character pattern Peer-reviewed

Seiichi Uchida, Megumi Sakai, Masakazu Iwamura, Shinichiro Omachi

ICDAR 2007: NINTH INTERNATIONAL CONFERENCE ON DOCUMENT ANALYSIS AND RECOGNITION, VOLS I AND II, PROCEEDINGS　1　437-+　2007

DOI： 10.1109/ICDAR.2007.4378747 　

Fast calculation of continuous wavelet transform using polynomial Peer-reviewed

Masako Omachi, Sinichiro Omachi

2007 INTERNATIONAL CONFERENCE ON WAVELET ANALYSIS AND PATTERN RECOGNITION, VOLS 1-4, PROCEEDINGS　1688-+　2007

DOI： 10.1109/ICWAPR.2007.4421725 　

Tooth shape reconstruction from CT images using spline curves Peer-reviewed

Shinichiro Omachi, Kousuke Saito, Hirotomo Aso, Shin Kasahara, Satoshi Yamada, Kohei Kimura

2007 INTERNATIONAL CONFERENCE ON WAVELET ANALYSIS AND PATTERN RECOGNITION, VOLS 1-4, PROCEEDINGS　393-+　2007

DOI： 10.1109/ICWAPR.2007.4420700 　

Web page retrieval system by automatic detection of topic words Peer-reviewed

Hiroshi Mochida, Shinichiro Omachi, Hirotomo Aso

IEEJ Transactions on Electronics, Information and Systems　127　(12)　25-2147　2007

DOI： 10.1541/ieejeiss.127.2142 　

ISSN： 1348-8155 0385-4221

Comparative Study on Different Color Space Models for Skin Color Segmentation Peer-reviewed

Dongzhu Yin, Shinichiro Omachi, Yoshihiro Sugaya, Hirotomo Aso

Proceedings of the First Korea-Japan Joint Workshop on Pattern Recognition (KJPR 2006)　106　(376)　127-133　2006/11

ISSN： 0913-5685

Better Decision Boundary for Pattern Recognition with Supplementary Information Peer-reviewed

Masakazu Iwamura, Yoshio Furuya, Shinichiro Omachi, Koichi Kise, Seiichi Uchida

Proceedings of the First Korea-Japan Joint Workshop on Pattern Recognition (KJPR 2006)　212-217　2006/11

A Data-Embedding Pen Peer-reviewed

Seiichi Uchida, Kazuhiro Tanaka, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the 10th International Workshop on Frontiers in Handwriting Recognition (IWFHR-10)　2006/10

Effect of Moving Decision Boundaries in Pattern Recognition with Supplementary Information -Experimental Examination of Using Quadratic Discriminant Function-

Yoshio Furuya, Masakazu Iwamura, Koichi Kise, Shinichiro Omachi, Seiichi Uchida

IEICE Technical Report (PRMU)　106　(301)　53-58　2006/10

ISSN： 0913-5685

Camera-Based Character Recognition with Supplementary Information by Area Ratio

Shinichiro Omachi, Masakazu Iwamura, Seiichi Uchida, Koichi Kise

Proceedings of the Meeting on Image Recognition and Understanding 2006　187-192　2006/07

Comparative Study on Color Components for Face Recognition

Dongzhu Yin, Shinichiro Omachi, Yoshihiro Sugaya, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2006　477-482　2006/07

Integrating Method of Recognition Results by AdaBoost Algorithm

Makoto Horiuchi, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2006　858-863　2006/07

Tooth Shape Reconstruction from CT Images Using Spline Curves

Kousuke Saito, Shinichiro Omachia, Hirotomo Aso, Shin Kasahara, Satoshi Yamada, Kohei Kimura

Proceedings of the Meeting on Image Recognition and Understanding 2006　885-889　2006/07

Character Recognition in Scene Images by Fast Deformable Template Matching

Masakazu Iwamura, Kazuya Negishi, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2006　906-911　2006/07

Character String Extraction from Low Resolution Video Images

Hajime Nodaguchi, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2006　924-927　2006/07

FSA-Based Optimal Segmentation for Camera-Based Character Recognition

Megumi Sakai, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the Meeting on Image Recognition and Understanding 2006　1024-1029　2006/07

Slant-Invariant Character Recognition by Subspace Method and Fourier Transform

Fang Zhang, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2006　1185-1189　2006/07

Robust Object Detection in Various Lighting Conditions by Gamma Transform

Yumiko Togashi, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2006　1195-1200　2006/07

Relationship Between Decision Boundaries and Recognition Error Rates in Pattern Recognition with Supplementary Information

Yoshio Furuya, Masakazu Iwamura, Koichi Kise, Shinichiro Omachi, Seiichi Uchida

Proceedings of the Meeting on Image Recognition and Understanding 2006　1231-1236　2006/07

Machine-Readable Handwriting Patterns by Data-Embedding Pen

Kazuhiro Tanaka, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the Meeting on Image Recognition and Understanding 2006　1296-1301　2006/07

Web Community Extraction Using Link Structure

Koji Ohtsuka, Shinichiro Omachi, Hirotomo Aso

IPSJ SIG Technical Report (DBS)　2006　(78)　415-420　2006/07

String Extraction from Scene Images Using Color and Luminance Information Peer-reviewed

Katsuhiro Hirayama, Shinichiro Omachi, Hirotomo Aso

IEICE Transactions on Information and Systems (Japanese Edition)　J89-D　(4)　893-896　2006/04

ISSN： 1880-4535

Fast Deformable Template Matching for Character Recognition in Scene Images

Kazuya Negishi, Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　105　(673)　101-106　2006/03

ISSN： 0919-6072

Category Data Embedding for Camera-Based Character Recognition Peer-reviewed

Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

IEICE Transactions on Information and Systems (Japanese Edition)　J89-D　(2)　344-352　2006/02

ISSN： 1880-4535

On-line data embedding into handwriting patterns

Kazuhiro Tanaka, Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

IEICE Technical Report (PRMU)　105　(615)　61-66　2006/02

Area Ratio as Supplementary Information for Camera-Based Character Recognition

Shinichiro Omachi, Masakazu Iwamura, Seiichi Uchida, Koichi Kise

IEICE Technical Report (PRMU)　105　(615)　67-72　2006/02

Affine invariant information embedment for accurate camera-based character recognition Peer-reviewed

Shinichiro Omachi, Seiichi Uchida, Masakazu Iwamura, Koichi Kise

18TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 2, PROCEEDINGS　2　1098-+　2006

DOI： 10.1109/ICPR.2006.229 　

ISSN： 1051-4651

OCR fonts revisited for camera-based character recognition Peer-reviewed

Seiichi Uchida, Masakazu Wamura, Shinichiro Omachi, Koichi Kise

18TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 2, PROCEEDINGS　2　1134-+　2006

DOI： 10.1109/ICPR.2006.891 　

ISSN： 1051-4651

Pattern Representation by Functions for Recognition

Masako Omachi, Shinichiro Omachi, Tsuneo Saito

IEICE Technical Report (PRMU)　105　(374)　1-6　2005/10

Design and recognition of human-readable and machine-readable patterns Peer-reviewed

Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

1st Joint Workshop on Machine Perception and Robotics (MPR2005)　2005/09

Data Embedding for Camera-Based Character Recognition Peer-reviewed

Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the First International Workshop on Camera-Based Document Analysis and Recognition (CBDAR2005)　60-67　2005/08/29

Recognition with Supplementary Information -How Many Bits Are Lacking for 100% Recognition?- Peer-reviewed

Masakazu Iwamura, Seiichi Uchida, Shinichiro Omachi, Koichi Kise

Proceedings of the First International Workshop on Camera-Based Document Analysis and Recognition (CBDAR2005)　68-75　2005/08/29

Isolated Character Recognition by Searching Features in Scene Images Peer-reviewed

Kazuya Negishi, Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

Proceedings of the First International Workshop on Camera-Based Document Analysis and Recognition (CBDAR2005)　140-147　2005/08/29

Structurization of Silhouette Images Using Medial Axis Transforms

Katsuhiko Kageyama, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2005　112-119　2005/07

Data Embedding for Camera-Based Character Recognition

Seiichi Uchida, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise

Proceedings of the Meeting on Image Recognition and Understanding 2005　235-242　2005/07

Face Detection Using Skin Color Map based on a Color Appearance Model

Dongzhu Yin, Shinichiro Omachi, Yoshihiro Sugaya, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2005　361-368　2005/07

Isolated Character Recognition by Searching Feature Points and Voting

Masakazu Iwamura, Kazuya Negishi, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2005　559-566　2005/07

Realization of 100% Recognition Rate with Supplementary Information - For Seamless Man-Machine Communication -

Masakazu Iwamura, Seiichi Uchida, Shinichiro Omachi, Koichi Kise

Proceedings of the Meeting on Image Recognition and Understanding 2005　901-908　2005/07

Fast Visual Search Considering Cost of Histogram Construction

Shingo Taguchi, Shinichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2005　1480-1487　2005/07

On the bias of predictive distribution in pattern recognition Invited

Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

Systems and Computers in Japan　36　(5)　45-54　2005/05

DOI： 10.1002/scj.20207 　

ISSN： 0882-1666

Quantity of Information of Recognition -How Many Bits Are Lacking for 100% Recognition?-

Masakazu Iwamura, Seiichi Uchida, Shinichiro Omachi, Koichi Kise

IEICE Technical Report (PRMU)　104　(742)　35-40　2005/03

ISSN： 0913-5685

Isolated Character Recognition by Searching Feature Points

Kazuya Negishi, Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　104　(742)　41-46　2005/03

Current Status and Future Prospects of Camera-Based Character Recognition and Document Image Analysis

Koichi Kise, Shinichiro Omachi, Seiichi Uchida, Masakazu Iwamura

IEICE Technical Report (PRMU)　104　(742)　85-90　2005/03

String Extraction from Scene Images Using Color Information

Katsuhiro Hirayama, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　104　(742)　91-96　2005/03

Isolated character recognition by searching feature points Peer-reviewed

M Iwamura, K Negishi, S Omachi, H Aso

EIGHTH INTERNATIONAL CONFERENCE ON DOCUMENT ANALYSIS AND RECOGNITION, VOLS 1 AND 2, PROCEEDINGS　1035-1039　2005

DOI： 10.1109/ICDAR.2005.147 　

Unsupervised segmentation of texture images using feature selection Invited

Y Karino, S Omachi, H Aso

ELECTRONICS AND COMMUNICATIONS IN JAPAN PART II-ELECTRONICS　88　(9)　58-66　2005

DOI： 10.1002/ecjb.20208 　

ISSN： 8756-663X

PRMU Algorithm Contest 2004: "Let's Construct a Panoramic Photograph from Photographs!" Summary Report and Its Prize Winning Algorithms

Shinichiro OMACHI, Akihiro MORI, Shinsuke OCHI, Hiroki KUBOTA, Rei KURODA, Ryou SEKIGUCHI, Tomohiro MIYAWAKI, Isamu MATSUURA, Meguru ITO, Tomoka NAKAGAWA, Hiromitsu MIYAZAKI

IEICE Technical Report (PRMU)　104　(524)　113-122　2004/12

ISSN： 0913-5685

Estimation of true Mahalanobis distance from eigenvectors of sample covariance matrix Invited

Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

Systems and Computers in Japan　35　(9)　30-38　2004/08

DOI： 10.1002/scj.10519 　

ISSN： 0882-1666

On the Bias of Predictive Distribution in Pattern Recognition Peer-reviewed

Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

Trans. IEICE　J87-D-II　(2)　407-415　2004/02

ISSN： 0915-1923

High-Speed Recognition of Line Graph Images in Documents by Simplified Interpolation Technique

Norio Adachi, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　103　(585)　37-42　2004/01

Face Recognition for Any Posture by Searching 3-D Facial Shape

Takayuki Kitano, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　103　(585)　55-58　2004/01

Precise estimation of high-dimensional distribution and its application to face recognition Peer-reviewed

S Omachi, F Sun, H Aso

PROCEEDINGS OF THE 17TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 1　1　220-223　2004

DOI： 10.1109/ICPR.2004.1334063 　

ISSN： 1051-4651

Fast visual search using simplified pruning rules - Streamlined active search Peer-reviewed

S Taguchi, S Omachi, H Aso

PROCEEDINGS OF THE 17TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 4　4　937-940　2004

DOI： 10.1109/ICPR.2004.1333927 　

ISSN： 1051-4651

Unsupervised Segmentation of Texture Images Using Feature Selection Peer-reviewed

Yoshimasa Karino, Shinichiro Omachi, Hirotomo Aso

Trans. IEICE　J86-D-II　(7)　988-997　2003/07

ISSN： 0915-1923

Recognition of Line Graph Images in Documents by Tracing Connected Components Peer-reviewed

Toshimichi Fuda, Shinichiro Omachi, Hirotomo Aso

Trans. IEICE　J86-D-II　(6)　825-835　2003/06

ISSN： 0915-1923

A Discriminant Function based on Feature Transformation Considering Normality Improvement of Distribution Peer-reviewed

Hidenori Ujiie, Shinichiro Omachi, Hirotomo Aso

Trans. IEICE　J86-D-II　(4)　441-449　2003/04

ISSN： 0916-8532

Robust Estimation of Distribution by Shrinkage Technique

Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　102　(652)　31-36　2003/02

Estimation of True Mahalanobis Distance from Eigenvectors of Sample Covariance Matrix Peer-reviewed

Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

Trans. IEICE　J86-D-II　(1)　22-31　2003/01

ISSN： 0915-1923

Elastic Hidden Markov Model and Its Application to Sequence Classification

Tsuyoshi Kato, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　102　(379)　19-24　2002/10

ISSN： 0913-5685

Adaptive exponential transformations for modeling time-sequences

Tsuyoshi Kato, Shinichiro Omachi, Hirotomo Aso

2002 Workshop on Information-Based Induction Sciences　202-207　2002/09

Asymmetric Gaussian and Its Application to Pattern Recognition Peer-reviewed

Tsuyoshi Kato, Shinichiro Omachi, Hirotomo Aso

Lecture Notes in Computer Science　2396　405-413　2002/08

A Method to Estimate the True Mahalanobis Distance from Eigenvectors of Sample Covariance Matrix Peer-reviewed

Masakazu Iwamura, Shinichiro Omachi, Hirotomo Aso

Lecture Notes in Computer Science　2396　498-507　2002/08

Recognition of Graph Images in Documents by Tracking Connected Components

Toshimichi Fuda, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　101　(713)　61-68　2002/03

A Discriminant Function Considering Normality Improvement of the Distribution

Hidenori Ujiie, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　101　(713)　153-160　2002/03

Texture Segmentation Using Wavelet Transformation and Feature Selection

Yoshimasa Karino, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　101　(653)　33-40　2002/02

ISSN： 0913-5685

Mixture of Asymmetric Gaussians and Its Maximum Likelihood Estimation

Tsuyoshi Kato, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (NC)　101　(616)　103-108　2002/01

ISSN： 0913-5685

Discriminant function considering normality improvement of the distribution Peer-reviewed

H Ujiie, S Omachi, H Aso

16TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL II, PROCEEDINGS　2　224-227　2002

ISSN： 1051-4651

Unsupervised learning for single hypothesis problem via mixtures of modified quadratic discriminant functions

Tsuyoshi Kato, Shinichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　101　(363)　31-38　2001/10

ISSN： 0913-5685

VLSI architecture for quadtree-based fractal image coding Peer-reviewed

S. Lee, S. Omachi, H. Aso

IEE Proceedings: Computers and Digital Techniques　148　(4-5)　141-146　2001/07

DOI： 10.1049/ip-cdt:20010652 　

ISSN： 1350-2387

Structure extraction from decorated characters using multiscale images Peer-reviewed

S Omachi, M Inoue, H Aso

IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE　23　(3)　315-322　2001/03

ISSN： 0162-8828

eISSN： 1939-3539

Handprinted Character Recognition Using Elastic Models Peer-reviewed

Tsuyoshi Kato, Shin'ichiro Omachi, Hirotomo Aso

Trans. IEICE D-II　J83-D-II　(12)　2578-2586　2000/12

Decorated Character Recognition Using Matching Graphs

Shunichi Megawa, Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　100　(508)　55-62　2000/12

A Report on ICPR 2000 and Surrounding Conferences

Hitoshi Sakano, Daisaku Arita, Shin'ichiro Omachi, Minoru Okada, Takio Kurita, Hideo Saito, Nobutaka Shimada, Jun Fujiki, Minoru Mori

IEICE Technical Report (PRMU)　100　(508)　119-128　2000/12

Object arrangement into Euclidean space using genetic algorithm Invited

Shin'ichiro Omachi, Hiroko Yokoyama, Hirotomo Aso

Systems and Computers in Japan　31　(13)　11-18　2000/11/30

DOI： 10.1002/1520-684X(20001130)31:13<11::AID-SCJ2>3.0.CO;2-F 　

ISSN： 0882-1666

Qualitative adaptation of subspace method for character recognition Invited

Shin'ichiro Omachi, Hirotomo Aso

Systems and Computers in Japan　31　(12)　1-10　2000/11/15

DOI： 10.1002/1520-684X(20001115)31:12<1::AID-SCJ1>3.0.CO;2-U 　

ISSN： 0882-1666

A Study on the Global Deformation of Characters

Tsuyoshi Kato, Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　100　(359)　1-8　2000/10

Decorated Character Recognition Using Non-Deterministic Shape Analysis Model

Shunichi Megawa, Shin'ichiro Omachi, Hirotomo Aso

Proceedings of the Meeting on Image Recognition and Understanding 2000　I　241-246　2000/07

A noise-adaptive discriminant function and its application to blurred machine-printed Kanji recognition Peer-reviewed

S Omachi, F Sun, H Aso

IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE　22　(3)　314-319　2000/03

DOI： 10.1109/34.84176 　

ISSN： 0162-8828

eISSN： 1939-3539

Perspective and Challenge for Character and Document Recognition toward the 21st Century

Hirotomo Aso, Haruo Akimoto, Shin'ichiro Omachi, Hiroyuki Hase, Bunpei Irie, Keiji Yamada, Masashi Koga, Kazushi Ishigaki

IEICE Technical Report (PRMU)　99　(648)　83-89　2000/02

ISSN： 0913-5685

A Fast Algorithm for a k-NN Classifier Based on the Branch and Bound Method and Computational Quantity Estimation Invited

Shin'ichiro Omachi, Hirotomo Aso

Systems and Computers in Japan　31　(6)　1-9　2000

DOI： 10.1002/(SICI)1520-684X(200006)31:6<1::AID-SCJ1>3.0.CO;2-C 　

ISSN： 0882-1666

A parallel architecture for quadtree-based fractal image coding Peer-reviewed

SH Lee, S Omachi, H Aso

2000 INTERNATIONAL CONFERENCE ON PARALLEL PROCESSING, PROCEEDINGS　15-22　2000

DOI： 10.1109/ICPP.2000.876066 　

ISSN： 0190-3918

A new approximation method of the quadratic discriminant function Peer-reviewed

S Omachi, F Sun, H Aso

ADVANCES IN PATTERN RECOGNITION　1876　601-610　2000

ISSN： 0302-9743

Precise hand-printed character recognition using elastic models via nonlinear transformation Peer-reviewed

T Kato, S Omachi, H Aso

15TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 2, PROCEEDINGS　2　364-367　2000

ISSN： 1051-4651

A modification of eigenvalues to compensate estimation errors of eigenvectors Peer-reviewed

M Iwamura, S Omachi, H Aso

15TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 2, PROCEEDINGS　2　378-381　2000

ISSN： 1051-4651

Two-stage computational cost reduction algorithm based on Mahalanobis distance approximations Peer-reviewed

F Sun, S Omachi, N Kato, H Aso, S Kono, T Takagi

15TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 2, PROCEEDINGS　2　696-699　2000

ISSN： 1051-4651

Structure extraction from various kinds of decorated characters using multi-scale images Peer-reviewed

S Omachi, M Inoue, H Aso

15TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 4, PROCEEDINGS　4　455-458　2000

ISSN： 1051-4651

Structure extraction from various kinds of decorated characters using multi-scale images Peer-reviewed

S Omachi, M Inoue, H Aso

15TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 4, PROCEEDINGS　23　(3)　455-458　2000

DOI： 10.1109/34.910884 　

ISSN： 1051-4651

Subject Arrangement in the Euclidean Space Using Genetic Algorithm Peer-reviewed

Shin'ichiro Omachi, Hiroko Yokoyama, Hirotomo Aso

Trans. IEICE D-II　J82-D-II　(12)　2195-2202　1999/12

Fast and precise discriminant function considering correlations of elements of feature vectors and its application to character recognition Invited

Fang Sun, Shin'ichiro Omachi, Nei Kato, Hirotomo Aso

Systems and Computers in Japan　30　(14)　33-42　1999/12

DOI： 10.1002/(SICI)1520-684X(199912)30:14<33::AID-SCJ4>3.0.CO;2-6 　

ISSN： 0882-1666

A Qualitative Adaptation of Subspace Method for Character Recognition Peer-reviewed

Shin'ichiro OMACHI, Hirotomo ASO

Trans. IEICE D-II　J82-D-II　(11)　1930-1939　1999/11

Elastic Models for Character Recognition Using Multiresolution Approach

Tsuyoshi Kato, Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　99　(448)　213-220　1999/11

A Modification Method of Eigenvalues to Avoid Recognition Accuracy Reduction Caused by Estimation Errors of Eigenvectors

Masakazu Iwamura, Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　99　(449)　93-100　1999/11

Hyper Rectangular Fuzzy set Learning Network

Xinxue Zhang, Guizeng Wang, Shin'ichiro Omachi, Hirotomo Aso

IFAC Proceedings Volumes　32　(2)　5468-5473　1999/07

DOI： 10.1016/S1474-6670(17)56931-1 　

A Discriminant Function for Noisy Pattern Recognition Peer-reviewed

Shin'ichiro Omachi, Fang Sun, Hirotomo Aso

Proceedings of The 11th Scandinavian Conference on Image Analysis　793-800　1999/06

An Algorithm for Estimating Mixture Distribution of High Dimensional Vectors And Its Application to Character Recognition Peer-reviewed

Fang Sun, Shin'ichiro Omachi, Hirotomo Aso

Proceedings of The 11th Scandinavian Conference on Image Analysis　267-274　1999/06

A Fast Algorithm for k-NN Classifier Based on Branch and Bound Method and Computational Quantity Estimation Peer-reviewed

Shin'ichiro OMACHI, Hirotomo ASO

Trans. IEICE D-II　J82-D-II　(4)　641-649　1999/04

ISSN： 0915-1923

A handwritten character recognition system using directional element feature and asymmetric mahalanobis distance Peer-reviewed

N Kato, M Suzuki, S Omachi, H Aso, Y Nemoto

IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE　21　(3)　258-262　1999/03

DOI： 10.1109/34.754617 　

ISSN： 0162-8828

High Precision Keyword Search System Adapted to Low Quality Document Images

Taiga Nakanishi, Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　98　(608)　97-104　1999/02

Evaluation of Methods to Extract Collocational Information from Corpus for Semantic Clustering of Japanese Polysemous Verbs

Hiroko Yokoyama, Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (NLC)　98　(460)　8-16　1998/12

Character Recognition with Mahalanobis Distance Based on Between-Cluster Information

Masakazu Iwamura, Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　98　(490)　49-54　1998/12

An Algorithm for Estimating Mixture Distribution of High Dimensional Vectors And Its Application to Character Recognition

Fang Sun, Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　98　(490)　55-62　1998/12

Japanese Character Recognition Using Elastic Models Applicable to Multi-stroke Characters

Tsuyoshi Kato, Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　98　(490)　95-102　1998/12

Fast and Precise Discriminant Function Considering Correlations of Elements of Feature Vectors and Its Application to Character Recognition Peer-reviewed

Fang SUN, Shin'ichiro OMACHI, Nei KATO, Hirotomo ASO

Trans. IEICE D-II　J81-D-II　(9)　2027-2034　1998/09

ISSN： 0915-1923

Arranging Words in the Euclidean Space Based on Collocational Informations

Shin'ichiro Omachi, Hiroko Yokoyama, Hirotomo Aso

IEICE Technical Report (PRMU)　98　(204)　133-140　1998/07

Discriminant Analysis Using Fuzzy Set Learning Network

Xinxue Zhang, Gueizeng Wang, Shin'ichiro Omachi, Hirotomo Aso

Proceedings of the 14th Fuzzy Symposium　799-802　1998/06

Structure Extraction from Decorative Characters Using Multi-scale Images

Shin'ichiro Omachi, Masaki Inoue, Hirotomo Aso

IEICE Technical Report (PRMU)　98　(126)　33-40　1998/06

A Modified Multiple Similarity Method for Blurred Character Recognition

Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (PRMU)　98　(70)　17-24　1998/05

Fuzzy Regression Analysis Using RCE-Based Fuzzy Learning Network Invited

Xinxue Zhang, Shin'ichiro Omachi, Hirotomo Aso

Japanese Journal of Fuzzy Theory and Systems (Allerton Press, Inc.)　9　(4)　407-417　1998/04

Clustering of Japanese Verbs Using Collocational Information from Corpora

Hiroko Yokoyama, Shin'ichiro Omachi, Hirotomo Aso

IEICE Technical Report (NLC)　97　(593)　1-8　1998/03

A Discriminant Function for Noisy Pattern Recognition and Its Application to Blurred Chinese Character Recognition

Shin'ichiro Omachi, Fang Sun, Hirotomo Aso

IEICE Technical Report (PRMU)　97　(558)　69-74　1998/02

An algorithm for constructing a multi-template dictionary for character recognition considering distribution of feature vectors Peer-reviewed

F Sun, S Omachi, H Aso

FOURTEENTH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOLS 1 AND 2　1114-1116　1998

ISSN： 1051-4651

Recognition of Printed Characters by Considering Quality Peer-reviewed

大町 真一郎, 阿曽 弘具

Transactions of Information Processing Society of Japan　38　(12)　2490-2498　1997/12

A Descrimination Method of Similar Characters Using Compound Mahalanobis Function Peer-reviewed

Masato SUZUKI, Shin'ichiro OMACHI, Nei KATO, Hirotomo ASO, Yoshiaki NEMOTO

Trans. IEICE D-II　J80-D-II　(10)　2752-2760　1997/10

Special-purpose hardware architecture for large scale linear programming Peer-reviewed

S Lee, S Omachi, H Aso

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E80D　(9)　893-898　1997/09

ISSN： 0916-8532

Fuzzy Regression Analysis Using RCE-based Fuzzy Learning Network Peer-reviewed

Xinxue ZHANG, Shin'ichiro OMACHI, Hirotomo ASO

Journal of Japan Society for Fuzzy Theory and Systems　9　(4)　533-540　1997/08

DOI： 10.3156/jfuzzy.9.4_533 　

ISSN： 0915-647X

Fast Character Recognition by Dividing Features

Fang Sun, Shin'ichiro Omachi, Nei Kato, Hirotomo Aso

IEICE Technical Report (PRMU)　97　(203)　87-94　1997/07

Precise recognition of blurred Chinese characters by considering change in distribution Peer-reviewed

S Omachi, F Sun, H Aso

SCIA '97 - PROCEEDINGS OF THE 10TH SCANDINAVIAN CONFERENCE ON IMAGE ANALYSIS, VOLS 1 AND 2　501-506　1997

Fuzzy regression analysis using RFLN and its application Peer-reviewed

XX Zhang, S Omachi, H Aso

PROCEEDINGS OF THE SIXTH IEEE INTERNATIONAL CONFERENCE ON FUZZY SYSTEMS, VOLS I - III　51-56　1997

An Algorithm for Construction of Multi-Template Dictionary for Character Recognition Considering Between-Class Variation Peer-reviewed

Shin'ichiro OMACHI, Fang SUN, Hirotomo ASO

Trans. IEICE D-II　J79-D-II　(9)　1525-1533　1996/09

ISSN： 0915-1923

Precise Recognition of Blurred Printed Characters Peer-reviewed

Shin'ichiro OMACHI, Hirotomo ASO

Trans. IEICE D-II　J79-D-II　(9)　1534-1542　1996/09

ISSN： 0915-1923

Precise selection of candidates for handwritten character recognition using feature regions

F Sun, S Omachi, H Aso

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E79D　(5)　510-515　1996/05

ISSN： 0916-8532

Precise Selection of Candidates for Handwritten Character Recognition Using Feature Regions Peer-reviewed

Fang Sun, Shin'ichiro Ohmachi, Hirotomo Aso

IEICE Technical Report (PRMU)　96　(40)　17-24　1996/05

A Discrimination Method of Similar Characters Using Compound Mahalanobis Discrimination Function

Masato Suzuki, Shin'ichiro Omachi, Nei Kato, Hirotomo Aso, Yoshiaki Nemoto

IEICE Technical Report (PRMU)　96　(40)　25-32　1996/05

An Algorithm for Construction of Multi-Template Dictionary for Character Recognition Considering Between-Class Variation

Fang Sun, Shin'ichiro Ohmachi, Hirotomo Aso

IEICE Technical Report (PRU)　94　(51)　41-48　1994/05

SEIUN - A FAST AND INTELLIGENT CHARACTER-RECOGNITION SYSTEM Invited

H ASO, S OMACHI, M KIMURA, Y KATSUYAMA

SYSTEMS AND COMPUTERS IN JAPAN　25　(3)　18-29　1994/03

ISSN： 0882-1666

Fast and Intelligent Character Recognition System SEIUN Peer-reviewed

H.Aso, S.Omachi, M.Kimura, Y.Katsuyama

Trans.IEICEJ-D-II　J76-D-II　(3)　474-484　1993/03

Efficient Recognition of Printed Characters Considering Their Quality

Shin'ichiro Ohmachi, Hirotomo Aso

IEICE Technical Report (PRU)　92　(255)　25-32　1992/10

SEIUN: Systolic Elaborated Intelligent Ultra-high-speed Neosystem for Character Recognition Peer-reviewed

H. Aso, S. Ohmachi, N. Sun, Y. Katuyama, M. Kimura

Computer Architecture for Machine Perception (Proc. of 1991 Workshop on CAMP)　471-482　1991/12

Precise recognition of printed characters using partial pattern matching method

Shin'ichiro Ohmachi, Hirotomo Aso, Masayuki Kimura

IEICE Technical Report (PRU)　91　(297)　63-70　1991/10

Systolic Architecture for Fast and Intelligent Character Recognition Systems Peer-reviewed

Hirotomo Aso, Shin'ichiro Ohmachi, Yutaka Katsuyama, Masayuki Kimura

Proc.Pac.Rim.Int.Conf.on AI '90　1　805-810　1990/11

Systolic Architecture for Character/Speech Recognition System

Hirotomo Aso, Shin'ichiro Ohmachi, Masayuki Kimura, Yutaka Katsuyama

IEICE Technical Report (CPSY)　90　(144)　115-120　1990/07

A Systolic Array for Preprocessings for Fast Character Recognition Peer-reviewed

Shin'ichiro OHMACHI, Hirotomo ASO, Masayuki KIMURA

Trans.IEICEJ-D-II　J73-D-II　(2)　167-174　1990/02

ISSN： 0915-1923

A parallel algorithm for normalizing character patterns

Shin'ichiro Ohmachi, Hirotomo Aso, Masayuki Kimura

IPSJ Technical Report (AL)　1989　(8)　1-8　1989/01