Wataru Ohyama - RankMe

71 papers A 15B 14C 1Misc 5Journal 6Unranked 29

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	CanKD: Cross-Attention-based Non-local operation for Feature-based Knowledge Distillation. CoRR Shizhe Sun, Wataru Ohyama
2025	J	`jnl`	DeepLamba: Efficient Mamba-Based Model for Medical Image Segmentation. SN Comput. Sci. Shizhe Sun, Wataru Ohyama
2024	—	`conf`	Automatic Measured Drawing Generation for Mokkan Using Deep Learning. IW-FCV Wataru Ohyama, Yoshinori Hatano, Hajime Baba
2023	—	`conf`	Implementation of data-driven historical informatics research on Kao (Stylized Signature). DH Satoru Nakamura, Guanwei Liu, Hajime Miyazaki, Satoshi Inoue, Wataru Ohyama, Taizo Yamada
2021	J	`jnl`	Learning the micro deformations by max-pooling for offline signature verification. Pattern Recognit. Yuchen Zheng, Brian Kenji Iwana, Muhammad Imran Malik, Sheraz Ahmed, Wataru Ohyama, Seiichi Uchida
2020	—	`conf`	Discriminative Metric Learning with Convolutional Feature Descriptors for Age-Invariant Face Recognition and Verification. IW-FCV Wataru Ohyama, Yuta Somada, Nobu C. Shirai, Tetsushi Wakabayashi
2020	—	`ed.`	Frontiers of Computer Vision - 26th International Workshop, IW-FCV 2020, Ibusuki, Kagoshima, Japan, February 20-22, 2020, Revised Selected Papers IW-FCV Wataru Ohyama, Soon Ki Jung
2020	C	`conf`	Joystick Car Drive System and its Application to Self-driving Microbus. IECON Zhi Wang, Hideyasu Sai, Kazuo Ogiwara, Wataru Ohyama, Daishi Watabe, Yukimichi Saitou, Masayoshi Wada
2019	A	`conf`	Capturing Micro Deformations from Pooling Layers for Offline Signature Verification. ICDAR Yuchen Zheng, Wataru Ohyama, Brian Kenji Iwana, Seiichi Uchida
2019	—	`conf`	Chart-Type Classification Using Convolutional Neural Network for Scholarly Figures. ACPR (2) Takeo Ishihara, Kento Morita, Nobu C. Shirai, Tetsushi Wakabayashi, Wataru Ohyama
2019	J	`jnl`	Detecting Mathematical Expressions in Scientific Document Images Using a U-Net Trained on a Diverse Dataset. IEEE Access Wataru Ohyama, Masakazu Suzuki, Seiichi Uchida
2019	A	`conf`	Page Segmentation using a Convolutional Neural Network with Trainable Co-Occurrence Features. ICDAR Joonho Lee, Hideaki Hayashi, Wataru Ohyama, Seiichi Uchida
2019	A	`conf`	RankSVM for Offline Signature Verification. ICDAR Yan Zheng, Yuchen Zheng, Wataru Ohyama, Daiki Suehiro, Seiichi Uchida
2019	—	`conf`	Scribbles for Metric Learning in Histological Image Segmentation. EMBC Daisuke Harada, Ryoma Bise, Hiroki Tokunaga, Wataru Ohyama, Sanae Oka, Toshihiko Fujimori, Seiichi Uchida
2019	A	`conf`	Training Convolutional Autoencoders with Metric Learning. ICDAR Yosuke Onitsuka, Wataru Ohyama, Seiichi Uchida
2018	J	`jnl`	Extraction and Recognition of Shoe Logos with a Wide Variety of Appearance Using Two-Stage Classifiers. IEICE Trans. Inf. Syst. Kazunori Aoki, Wataru Ohyama, Tetsushi Wakabayashi
2017	—	`conf`	Age-Invariant Person Identification by Segmentation Verification of Face Image. ACPR Yuta Somada, Wataru Ohyama, Tetsushi Wakabayashi
2017	Misc	`conf`	Automatic extraction and recognition of shoe logos with a wide variety of appearance. MVA Kazunori Aoki, Wataru Ohyama, Tetsushi Wakabayashi
2017	—	`conf`	Detection and Recognition of Arabic Text in Video Frames. MOCR@ICDAR Wataru Ohyama, Seiya Iwata, Tetsushi Wakabayashi, Fumitaka Kimura
2017	—	`conf`	Multilingual-Signature Verification by Verifier Fusion Using Random Forests. ACPR Keg Matsuda, Wataru Ohyama, Tetsushi Wakabayashi
2017	—	`conf`	Recognition and connection of moving captions in Arabic TV news. ASAR Seiya Iwata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2017	—	`conf`	Recognition and defect detection of dot-matrix text via variation-model based learning. QCAV Wataru Ohyama, Koushi Suzuki, Tetsushi Wakabayashi
2016	B	`conf`	Effective Random-Impostor Training for Combined Segmentation Signature Verification. ICFHR Keigo Matsuda, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2016	B	`conf`	Recognition and transition frame detection of Arabic news captions for video retrieval. ICPR Seiya Iwata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2015	A	`conf`	Efficient estimation of character normal direction for Camera-based OCR. ICDAR Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2015	Misc	`conf`	Efficient three dimensional rotation estimation for camera-based OCR. MVA Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2015	—	`conf`	Facial features extraction by accelerated implementation of circular hough transform and appearance evaluation. FCV Hayato Iwasa, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2015	A	`conf`	Multilingual signature-verification by generalized combined segmentation verification. ICDAR Wataru Ohyama, Yuuki Ogi, Tetsushi Wakabayashi, Fumitaka Kimura
2015	—	`conf`	Rotated face recognition by manifold learning with auto-associative neural network. FCV Mizuki Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2015	—	`conf`	Spatiotemporal auto-correlation of grayscale gradient with importance map for cooking gesture recognition. ACPR Wataru Ohyama, Soichiro Hotta, Tetsushi Wakabayashi
2014	B	`conf`	Improving Accuracy of Printed Character Recognition Using Hexagonal Zoning of Directional Histogram Feature. ICPR Wataru Ohyama, Akihito Yamamoto, Tetsushi Wakabayashi, Fumitaka Kimura
2014	—	`conf`	Performance Improvement of Dot-Matrix Character Recognition by Variation Model Based Learning. ACCV Workshops (2) Koji Endo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2013	—	`conf`	Accuracy Improvement of Viewpoint-Free Scene Character Recognition by Rotation Angle Estimation. CBDAR Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2013	A	`conf`	Automatic Chinese Text Classification Using Character-Based and Word-Based Approach. ICDAR Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2013	A	`conf`	ICDAR 2013 Competitions on Signature Verification and Writer Identification for On- and Offline Skilled Forgeries (SigWiComp 2013). ICDAR Muhammad Imran Malik, Marcus Liwicki, Linda Alewijnse, Wataru Ohyama, Michael Blumenstein, Bryan Found
2013	—	`conf`	Improvement of Japanese Signature Verification by Combined Segmentation Verification Approach. ACPR Yuta Kamihira, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2013	A	`conf`	Improvement of Japanese Signature Verification by Segmentation-Verification. ICDAR Yuta Kamihira, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2012	B	`conf`	A study on three dimensional rotation-free character recognition and rotation angle estimation of characters. ICPR Ryo Narita, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2012	B	`conf`	Combination of Signature Verification Techniques by SVM. ICFHR Takashi Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2012	B	`conf`	Detection of eyes by circular Hough transform and histogram of gradient. ICPR Yasutaka Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2012	B	`conf`	Impact of Word Segmentation Errors on Automatic Chinese Text Classification. Document Analysis Systems Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2012	—	`conf`	Motion Tracking of Local Myocardial Tissue Using a DP+E Tracking Method on M-mode Echocardiograms. ICETET Chen Chao, Naoka Masesako, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Kiyotsugu Sekioka
2012	B	`conf`	Multiple Feature-Classifier Combination in Automated Text Classification. Document Analysis Systems Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2011	A	`conf`	A Study on Automatic Chinese Text Classification. ICDAR Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2011	A	`conf`	An Impact of OCR Errors on Automated Classification of OCR Japanese Texts with Parts-of-Speech Analysis. ICDAR Akihiro Kokawa, Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2011	Misc	`conf`	Color Recognition by Extended Color Space Method for 64-color 2-D Barcode. MVA Takuma Shimizu, Mariko Isami, Kenji Terada, Wataru Ohyama, Fumitaka Kimura
2011	A	`conf`	Three Dimensional Rotation-Free Recognition of Characters. ICDAR Ryo Narita, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2010	B	`conf`	An impact of linguistic features on automated classification of OCR texts. Document Analysis Systems Gudila Paul Moshi, Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2010	B	`conf`	Improvement of On-line Signature Verification Based on Gradient Features. ICFHR Yumiko Kawazoe, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2008	J	`jnl`	Improving Automatic Text Classification by Integrated Feature Analysis. IEICE Trans. Inf. Syst. Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2007	—	`conf`	Automatic Detection of Facial Midline as a Guide for Facial Feature Extraction. PRIS Nozomi Nakao, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2007	Misc	`conf`	Improvement of Cadastral Map Assembling Based on GHT. MVA Fei Liu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2007	—	`conf`	Integrated Feature Analysis For Automatic Text Classification. MLDM Posters Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2006	B	`conf`	Automatic Assembling of Cadastral Maps Based on Generalized Hough Transformation. Document Analysis Systems Fei Liu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2006	B	`conf`	The Impact of OCR Accuracy and Feature Transformation on Automatic Text Classification. Document Analysis Systems Mayo Murata, Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2004	—	`conf`	A study on decision rule for Japanese dictation test. IWFHR Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2004	—	`conf`	Accuracy Improvement of Automatic Text Classification Based on Feature Transformation and Multi-classifier Combination. AWCC Xuexian Han, Guowei Zu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2004	—	`conf`	Eigenspace Method by Autoassociative Networks for Object Recognition. SSPR/SPR Takamasa Yokoi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2004	—	`conf`	Local slant estimation for handwritten English words. IWFHR Yimei Ding, Wataru Ohyama, Fumitaka Kimura, Malayappan Shridhar
2004	—	`conf`	The Impact of OCR Accuracy on Automatic Text Classification. AWCC Guowei Zu, Mayo Murata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2003	B	`conf`	Accuracy improvement of automatic text classification based on feature transformation. ACM Symposium on Document Engineering Guowei Zu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2003	A	`conf`	Mirror Image Learning for Autoassociative Neural Networks. ICDAR Shusaku Shimizu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2002	—	`conf`	A comparative study on mirror image learning and ALSM. IWFHR Tetsushi Wakabayashi, Meng Shi, Wataru Ohyama, Fumitaka Kimura
2002	—	`conf`	Automatic Grading Prototype System for KANJI Dictation Test. ICPR (3) Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura
2002	—	`conf`	Automatic Tracking of Local Myocardial Motion by Correlation Weighted Velocity Method. ICPR (1) Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka
2002	—	`conf`	Comparative Study on Mirror Image Learning (MIL) and GLVQ. ICPR (2) Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura
2001	A	`conf`	Accuracy Improvement of Handwritten Numeral Recognition by Mirror Image Learning. ICDAR Tetsushi Wakabayashi, Meng Shi, Wataru Ohyama, Fumitaka Kimura
2001	A	`conf`	Clustering with Projection Distance and Pseudo Bayes Discriminant Function for Handwritten Numeral Recognition. ICDAR Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura
2001	—	`conf`	Mirror Image Learning for Handwritten Numeral Recognition. MLDM Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura
2000	B	`conf`	Automatic Left Ventricular Endocardium Detection in Echocardiograms Based on Ternary Thresholding Method. ICPR Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka
2000	Misc	`conf`	License Plate Recognition Using Associative Matching Based on Clique-Finding. MVA Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura