| 2026 | WACV | CanKD: Cross-Attention-based Non-local operation for Feature-based Knowledge Distillation. | Shizhe Sun, Wataru Ohyama |
| 2020 | IECON | Joystick Car Drive System and its Application to Self-driving Microbus. | Zhi Wang, Hideyasu Sai, Kazuo Ogiwara, Wataru Ohyama, Daishi Watabe, Yukimichi Saitou, Masayoshi Wada |
| 2019 | ICDAR | Page Segmentation using a Convolutional Neural Network with Trainable Co-Occurrence Features. | Joonho Lee, Hideaki Hayashi, Wataru Ohyama, Seiichi Uchida |
| 2019 | ICDAR | Training Convolutional Autoencoders with Metric Learning. | Yosuke Onitsuka, Wataru Ohyama, Seiichi Uchida |
| 2019 | ICDAR | Capturing Micro Deformations from Pooling Layers for Offline Signature Verification. | Yuchen Zheng, Wataru Ohyama, Brian Kenji Iwana, Seiichi Uchida |
| 2019 | ICDAR | RankSVM for Offline Signature Verification. | Yan Zheng, Yuchen Zheng, Wataru Ohyama, Daiki Suehiro, Seiichi Uchida |
| 2017 | ICDAR | Detection and Recognition of Arabic Text in Video Frames. | Wataru Ohyama, Seiya Iwata, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2017 | MVA | Automatic extraction and recognition of shoe logos with a wide variety of appearance. | Kazunori Aoki, Wataru Ohyama, Tetsushi Wakabayashi |
| 2016 | ICFHR | Effective Random-Impostor Training for Combined Segmentation Signature Verification. | Keigo Matsuda, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2016 | ICPR | Recognition and transition frame detection of Arabic news captions for video retrieval. | Seiya Iwata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2015 | ICDAR | Efficient estimation of character normal direction for Camera-based OCR. | Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2015 | ICDAR | Multilingual signature-verification by generalized combined segmentation verification. | Wataru Ohyama, Yuuki Ogi, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2015 | MVA | Efficient three dimensional rotation estimation for camera-based OCR. | Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2014 | ACCV | Performance Improvement of Dot-Matrix Character Recognition by Variation Model Based Learning. | Koji Endo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2014 | ICPR | Improving Accuracy of Printed Character Recognition Using Hexagonal Zoning of Directional Histogram Feature. | Wataru Ohyama, Akihito Yamamoto, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2013 | ICDAR | Improvement of Japanese Signature Verification by Segmentation-Verification. | Yuta Kamihira, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2013 | ICDAR | Automatic Chinese Text Classification Using Character-Based and Word-Based Approach. | Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2013 | ICDAR | ICDAR 2013 Competitions on Signature Verification and Writer Identification for On- and Offline Skilled Forgeries (SigWiComp 2013). | Muhammad Imran Malik, Marcus Liwicki, Linda Alewijnse, Wataru Ohyama, Michael Blumenstein, Bryan Found |
| 2012 | DAS | Multiple Feature-Classifier Combination in Automated Text Classification. | Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2012 | DAS | Impact of Word Segmentation Errors on Automatic Chinese Text Classification. | Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2012 | ICFHR | Combination of Signature Verification Techniques by SVM. | Takashi Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2012 | ICPR | Detection of eyes by circular Hough transform and histogram of gradient. | Yasutaka Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2012 | ICPR | A study on three dimensional rotation-free character recognition and rotation angle estimation of characters. | Ryo Narita, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2011 | ICDAR | An Impact of OCR Errors on Automated Classification of OCR Japanese Texts with Parts-of-Speech Analysis. | Akihiro Kokawa, Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2011 | ICDAR | A Study on Automatic Chinese Text Classification. | Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2011 | ICDAR | Three Dimensional Rotation-Free Recognition of Characters. | Ryo Narita, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2011 | MVA | Color Recognition by Extended Color Space Method for 64-color 2-D Barcode. | Takuma Shimizu, Mariko Isami, Kenji Terada, Wataru Ohyama, Fumitaka Kimura |
| 2010 | DAS | An impact of linguistic features on automated classification of OCR texts. | Gudila Paul Moshi, Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2010 | ICFHR | Improvement of On-line Signature Verification Based on Gradient Features. | Yumiko Kawazoe, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2007 | MVA | Improvement of Cadastral Map Assembling Based on GHT. | Fei Liu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2006 | DAS | Automatic Assembling of Cadastral Maps Based on Generalized Hough Transformation. | Fei Liu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2006 | DAS | The Impact of OCR Accuracy and Feature Transformation on Automatic Text Classification. | Mayo Murata, Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2004 | ICFHR | Local slant estimation for handwritten English words. | Yimei Ding, Wataru Ohyama, Fumitaka Kimura, Malayappan Shridhar |
| 2004 | ICFHR | A study on decision rule for Japanese dictation test. | Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2004 | SSPR | Eigenspace Method by Autoassociative Networks for Object Recognition. | Takamasa Yokoi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2003 | DocEng | Accuracy improvement of automatic text classification based on feature transformation. | Guowei Zu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2003 | ICDAR | Mirror Image Learning for Autoassociative Neural Networks. | Shusaku Shimizu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2002 | ICFHR | A comparative study on mirror image learning and ALSM. | Tetsushi Wakabayashi, Meng Shi, Wataru Ohyama, Fumitaka Kimura |
| 2002 | ICPR | Automatic Tracking of Local Myocardial Motion by Correlation Weighted Velocity Method. | Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka |
| 2002 | ICPR | Comparative Study on Mirror Image Learning (MIL) and GLVQ. | Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura |
| 2002 | ICPR | Automatic Grading Prototype System for KANJI Dictation Test. | Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura |
| 2001 | ICDAR | Clustering with Projection Distance and Pseudo Bayes Discriminant Function for Handwritten Numeral Recognition. | Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |
| 2001 | ICDAR | Accuracy Improvement of Handwritten Numeral Recognition by Mirror Image Learning. | Tetsushi Wakabayashi, Meng Shi, Wataru Ohyama, Fumitaka Kimura |
| 2000 | ICPR | Automatic Left Ventricular Endocardium Detection in Echocardiograms Based on Ternary Thresholding Method. | Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka |
| 2000 | MVA | License Plate Recognition Using Associative Matching Based on Clique-Finding. | Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura |