Yuchen Zheng, Brian K Iwana, Muhammad I Malik, Sheraz Ahmed, Wataru Ohyama, Seiichi Uchida “Learning the Discriminative Information from Max-pooling for Offline Signature Verification” Pattern Recognition, Volume 118, 2021 https://doi.org/10.1016/j.patcog.2021.108008
Wataru Ohyama, Masakazu Suzuki, Seiichi Uchida “Detecting Mathematical Expressions in Scientific Document Images Using a U-Net Trained on a Diverse Dataset” IEEE Access, vol.7, pp.144030-144042, Oct.2019 https://doi.org/10.1109/ACCESS.2019.2945825
Kazunori Aoki, Wataru Ohyama, Tetsushi Wakabayashi “Extraction and Recognition of Shoe Logos with a Wide Variety of Appearance using Two-Stage Classifiers” IEICE Transactions on Information and Systems,Volume E101.D Issue 5 Pages 1325-1332 (2018) https://doi.org/10.1587/transinf.2017MVP0026
Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Improvement of automatic Chinese text classification by combining multiple features” IEEJ Transactions on Electrical and Electronic Engineering, Volume 10, Issue 2, pages 166–174,2015年3月
Chen Chao, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, “Semi-Automatic Noninvasive Tracking of Local Myocardial Motion using Dynamic Programming based Elastic Model” International Journal of Computer Applications, Vol.101, No.5 pp. 32-38,2014年9月
Nozomi Nakao, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Automatic Detection of Facial Midline And Its Contributions To Facial Feature Extraction” Electronic Letters on Computer Vision And Image Analysis (ELCVIA), Vol.6, No.3, pp.55-66,2007年9月
Guowei Zu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Automatic Text Classification of English Newswire Articles Based on Statistical Classification Techniques” Electrical Engineering in Japan, Volume 152, Issue 1, pp.50–60, 2005年1月
Wataru Ohyama, Yoshinori Hatano, Hajime Baba
“Automatic Measured Drawing Generation for Mokkan Using Deep Learning”
Proceedings of The International Workshop on Frontiers of Computer Vision (IW-FCV2024, Tokyo, Japan), pp.39-50, Feb.19-21, 2024
[LINK]
Satoru Nakamura, Guanwei Liu, Hajime Miyazaki, Satoshi Inoue, Wataru Ohyama, Taizo Yamada
“Implementation of data-driven historical informatics research on Kao (Stylized Signature)”
ADHO Digital Humanities Conference 2023 (DH2023, Graz, Austria), July 10-14, 2023
Zhi WANG, Hideyasu SAI, Kazuo OGIWARA, Wataru OHYAMA, Daishi WATABE, Yukimichi SAITOU, Masayoshi WADA
“Joystick Car Drive System and its Application to Self-driving Microbus”
Proceedings of The 46th Annual Conference of the IEEE Industrial Electronics Society (IECON2020, Singapore, Singapore), pp. 632-637, Oct.18-21, 2020 doi: 10.1109/IECON43393.2020.9254364.
Wataru Ohyama, Yuta Somada, Nobu C. Shirai, Tetsushi Wakabayashi
“Discriminative Metric Learning with Convolutional Feature Descriptors for Age-Invariant Face Recognition and Verification”
Proceedings of The 26th International Workshop on Frontiers of Computer Vision (IW-FCV2020, Ibusuki, Kagoshima, Japan), Feb.20-22, 2020, Poster presentation [LINK]
Eigo Tomioka, Kento Morita, Nobu C. Shirai, Tetsushi Wakabayashi, and Wataru Ohyama
“Investigating the Learning Progress of CNNs in Script Identification Using Gradient Values”
Proceedings of The 4th International Conference on Information Technology Research (ICITR 2019, Moratuwa, Sri Lanka),
Dec. 12-13, 2019,
Oral presentation
Takeo Ishihara, Kento Morita, Nobu C. Shirai, Tetsushi Wakabayashi and Wataru Ohyama
“Chart-type Classification using Convolutional Neural Network for Scholarly Figures”
Proceedings of The 5th Asian Conference on Pattern Recognition (ACPR 2019, Auckland, New Zealand),
#195,
Nov. 26-29, 2019,
Accepted as poster presentation [LINK].
Yosuke Onitsuka, Wataru Ohyama and Seiichi Uchida
“Training Convolutional Autoencoders with Metric Learning”
Proceedings of The 15th International Conference on Document Analysis and Recognition (ICDAR 2019, Sydney, Australia),
pp.86-91,
2019年9月23日,
Accepted as oral presentation.
Yan Zheng, Yuchen Zheng, Wataru Ohyama, Daiki Suehiro and Seiichi Uchida
“RankSVM for Offline Signature Verification“
Proceedings of The 15th International Conference on Document Analysis and Recognition (ICDAR 2019, Sydney, Australia),
pp.928-933,
2019年9月24日,
Accepted as poster presentation.
Joonho Lee, Hideaki Hayashi, Wataru Ohyama and Seiichi Uchida
“Page Segmentation using a Convolutional Neural Network with Trainable Co-occurrence Features”
Proceedings of The 15th International Conference on Document Analysis and Recognition (ICDAR 2019, Sydney, Australia),
pp.1022-1028,
2019年9月25日,
Accepted as oral presentation.
Yuchen Zheng, Wataru Ohyama, Brian Kenji Iwana and Seiichi Uchida
“Capturing Micro Deformations from Pooling Layers for Offline Signature Verification”
Proceedings of The 15th International Conference on Document Analysis and Recognition (ICDAR 2019, Sydney, Australia),
pp.1111-1116,
2019年9月25日,
Accepted as oral presentation.
Daisuke Harada, Ryoma Bise, Hiroki Tokunaga, Wataru Ohyama, Sanae Oka, Toshihiko Fujimori, and Seiichi Uchida
“Scribbles for Metric Learning in Histological Image Segmentation”
Proceedings of the 41st International Engineering in Medicine and Biology Conference (EMBC2019, Berlin, Germany),
pp. 1026-1030,
2019年7月23日-27日,
Accepted as poster presentation
Keigo Matsuda, Wataru Ohyama, Tetsushi Wakabayashi
“Multilingual-Signature Verification by Verifier Fusion using Random Forests”
Proceedings of 4th Asian Conference on Pattern Recognition (ACPR2017),
pp.941-946,
2017年11月,
Accepted as poster presentation
Yuta Somada, Wataru Ohyama, Tetsushi Wakabayashi
“Age-Invariant Person Identification by Segmentation Verification of Face Image”
Proceedings of 4th Asian Conference on Pattern Recognition (ACPR2017),
pp.358-363,
2017年11月,
Accepted as poster presentation
Wataru Ohyama, Seiya Iwata, Tetsushi Wakabayashi, Fumitaka Kimura
“Detection and Recognition of Arabic Text in Video Frames”
Proceedings of 6th International Workshop on Multilingual OCR,
pp.20-24,
2017年11月,
Accepted as oral presentation.
Wataru Ohyama, Koushi Suzuki, Tetsushi Wakabayashi
“Recognition and defect detection of dot-matrix text via variation-model based learning”
Proceedings of 13th International Conference on Quality Control by Artificial Vision (QCAV2017),
pp.10338-1 – 10338-8,
2017年5月,
Accepted as oral presentation.
Kazunori Aoki, Wataru Ohyama, Tetsushi Wakabayashi
“Automatic Extraction and Recognition of Shoe Logos with a Wide Variety of Appearance”
Proceedings of IAPR 15th International Conference on Machine Vision Applications (MVA2017),
pp.185-189,
2017年5月,
Accepted as oral presentation.
Seiya Iwata, Wataru Ohyama, Tetsushi Wakabayashi, Fumiataka Kimura “Recognition and connection of moving captions in Arabic TV news” Proceedings of 1st International Workshop on Arabic Script Analysis and Recognition (ASAR2017), pp.163-167, 2017年4月
Seiya Iwata, Wataru Ohyama, Tetsushi Wakabayashi, Fumiataka Kimura “Recognition and Transition Frame Detection of Arabic News Captions for Video Retrieval” Proceedings of 23rd International Conference on Pattern Recognition (ICPR2016), pp.3994-3999,2016年12月
Keigo Matsuda, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Effective Random-impostor Training for Combined Segmentation Signature Verification” Proceedings of 15th International Conference on Frontiers in Handwriting Recognition (ICFHR2016), pp.489-494,2016年10月
Wataru Ohyama, Soichiro Hotta, Tetsushi Wakabayashi “Spatiotemporal Auto-Correlation of Grayscale Gradient with Importance Map for Cooking Gesture Recognition” Proceedings of the 3rd Asian Conference on Pattern Recognition (ACPR2015), pp.166-170,2015年11月
Wataru Ohyama, Yuuki Ogi, Tetsushi Wakabayashi, Fumitaka Kimura “Multilingual Signature-Verification by Generalized Combined Segmentation Verification” Proceedings of 13th IAPR International Conference on Document Analysis and Recognition (ICDAR2015), pp. 811-815,2015年8月
Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, “Efficient Estimation of Character Normal Direction for Camera-based OCR” Proceedings of 13th IAPR International Conference on Document Analysis and Recognition (ICDAR2015), pp. 371-375,,2015年8月
Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Efficient Three Dimensional Rotation Estimation for Camera-based OCR” Proceedings of IAPR 14th International Conference on Machine Vision Applications (MVA2015), pp.459-462,2015年5月
Koji Endo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Performance Improvement of Dot-Matrix Character Recognition by Variation Model Based Learning” Proceedings of First International Workshop on Robust Reading (IWRR2014), pp.147-156, 2014年12月
Soichiro Hotta, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Cubic Gradient Local Auto-Correlation for Cooking Motion Recognition” Proceedings of the Fourth IIEEJ International Workshop on Image Electronics and Visual Computing (IEVC2014), 2C-4 pp.1-5,2014年10月
Yuuki Ogi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Generalized Segmentation-Verification for Multilingual Signatures” Proceedings of the Fourth IIEEJ International Workshop on Image Electronics and Visual Computing (IEVC2014), 2C-2,pp. 1-5, 2014年10月
Wataru Ohyama, Akihito Yamamoto, Tetsushi Wakabayashi, Fumitaka Kimura “Improving Accuracy of Printed Character Recognition Using Hexagonal Zoning of Directional Histogram Feature” Proceedings of 22nd International Conference on Pattern Recognition (ICPR2014), pp. 2497-2702,2014年8月
Yuta Kamihira, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Improvement of Japanese Signature Verification by Combined Segmentation Verification Approach” Proceedings of the Second IAPR Asian Conference on Pattern Recognition (ACPR2013), pp. 501-505,2013年11月
Yuta Kamihira, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Improvement of Japanese signature verification by segmentation-verification” Proceedings of 12th International Conference on Document Analysis and Recognition (ICDAR2013), pp. 379-382,2013年8月
Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Automatic Chinese Text Classification Using Character-based and Word-based Approach” Proceedings of 12th International Conference on Document Analysis and Recognition (ICDAR2013), pp. 329-333,2013年8月
Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi , Fumitaka Kimura “Accuracy Improvement of Viewpoint-Free Scene Character Recognition by Rotation Angle Estimation” Proceedings of Fifth International Workshop on Camera-Based Document Analysis and Recognition (CBDAR2013), pp 60-70,2013年8月
Wataru Ohyama, Katsunori ITO, Tetsushi Wakabayashi, Fumitaka Kimura “Development of Quantitative Assessment for Brush Handwriting Ability” Proceedings of 16th Biennial Conference of the International Graphonomics Society (IGS 2013), pp. 62-65,2013年6月
Yasutaka Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Detection of Eyes by Circular Hough Transform and Histogram of Gradient” Proceedings of the 21st International Conference on Pattern Recognition (ICPR2012), pp.1795-1798,2012年11月
Ryo Narita, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “A Study on Three Dimensional Rotation-Free Character Recognition and Rotation Angle Estimation of Characters” Proceedings of the 21st International Conference on Pattern Recognition (ICPR2012), pp.677-680,2012年11月
Chen Chao, Naoki Maesako, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Motion Tracking of Local Myocardial Tissue Using a DP+E Tracking Method on M-mode Echocardiogram” Fifth International Conference on Emerging Trends in Engineering and Technology (ICETET-12), pp. 1-6,2012年11月
Takashi Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Combination of Signature Verification Techniques by SVM” Proceedings of 13th International Conference on Frontiers in Handwriting Recognition (ICFHR2012), pp.428-431, 2012年9月
Chen Chao, Naoki Maesako, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Tracking of Local Myocardial Motion on M-Mode Echocardiogram by DP-based Elastic Model” Proceedings of the 14th IASTED International Conference on Signal and Image Processing (SIP2012), pp.786-031,2012年8月
Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Impact of Word Segmentation Errors on Automatic Chinese Text Classification” Proceedings of 10 th IAPR International Workshop on Document Analysis Systems (DAS2012), pp.271-275,2012年3月
Lazaro S.P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Multiple Feature-Classifier Combination in Automated Text Classification” Proceedings of 10th IAPR International Workshop on Document Analysis Systems (DAS2012), pp.43-47,2012年3月
Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “A Study on Automatic Chinese Text Classification” Proceedings of the 11th IAPR International Conference on Document Analysis and Recognition (ICDAR2011), pp. 920-924,2011年9月
Ryo Narita, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Three Dimensional Rotation-Free Recognition of Characters” Proceedings of the 11th IAPR International Conference on Document Analysis and Recognition (ICDAR2011), pp. 824-828,2011年9月
Akihiro Kokawa, Lazaro S.P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “An Impact of OCR Errors on Automated Classification of OCR Japanese Texts With Parts-of-Speech Analysis” Proceedings of the 11th IAPR International Conference on Document Analysis and Recognition (ICDAR2011), pp. 543-547,2011年9月
Takuma Shimizu, Mariko Isami, Kenji Terada, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Color Recognition by Extended Color Space Method for 64-color 2-D Barcode” Proceedings of the 12th IAPR Conference on Machine Vision Applications (MVA2011), pp.259-262,2012年6月
Yumiko Kawazoe, Wataru Ohyama, Tetsushi Wakabayashi Fumitaka Kimura “Improvement of On-line Signature Verification Based on Gradient Features” Proceedings of the 12th International Conference on Frontiers in Handwritten Recognition (ICFHR2010), pp.410-414,2010年11月
Takuma Shimizu, Mariko Isami, Wataru Ohyama, Tetsushi Wakabayashi Fumitaka Kimura “Color Recognition for 64-color 2D Barcode” Proceedings of the 2nd China-Japan-Korea Joint Workshop on Pattern Recognition (CJKPR2010), pp.230-233,2010年11月
Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Automatic Chinese Text Classification using Character N-grams” Proceedings of the 2nd China-Japan-Korea Joint Workshop on Pattern Recognition (CJKPR2010), pp.160-165,2010年11月
Gudila Paul Moshi, Lazaro S.P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “An impact of linguistic features on automated classification of OCR texts” Proceedings of the 9th IAPR International Workshop on Document Analysis Systems (DAS2010), pp.287-292,2010年6月
Lazaro.S.P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Integrated Feature Analysis For Automatic Text Classification” Machine Learning and Data Mining in Pattern Recognition (MLDM 2007), pp.16-26,2007年7月)
Nozomi Nakao, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Automatic Detection of Facial Midline as a Guide for Facial Feature Extraction” Proceedings of the 7th International Workshop on Pattern Recognition in Information Systems – (PRIS2007), pp.119-128,2007年6月
Fei Liu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Improvement of Cadastral Map Assembling Based on GHT” Proceedings of the IAPR Conference on Machine Vision Applications (MVA2007), pp.571-574,2007年5月
Soohyo Yang, Shinji Tsuruoka, Tsuyoshi Shinogi, Hiroharu Kawanaka, Wataru Ohyama, Fumitaka Kimura, Tetsushi Wakabayashi, Kiyotsugu Sekioka “3-D Display of the Wall Motion for Regional Cardiac Muscle from Ultrasonic B-mode Image – Wall Motion of Thickening Rate using Contour of Inner and Outer Wall” Proceedings of 2006 International Conference on Hybrid Information Technology (ICHIT2006), pp.6-12,2006年11月
Soohyo Yang, Shinji Tsuruoka, Tsuyoshi Shinogi, Hiroharu Kawanaka, Wataru Ohyama, Fumitaka Kimura, Tetsushi Wakabayashi, Kiyotsugu Sekioka, Fumio Okuyama “3-D Display of the Wall Motion for Regional Cardiac Muscle from Ultrasonic B-mode Image -- Wall Motion Display of Thickness, Thickening Rate” Proceedings of Joint 3rd International Conf. on SCIS & ISIS 2006, pp.1848- 1853,2006年9月
Fei Liu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, “Automatic Assembling of Cadastral Maps Based on Generalized Hough Transformation” Proceedings of 7th International Workshop on Document Analysis Systems (DAS 2006), pp.593-603,2006年2月
Mayo MURATA, Lazaro.S.P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “The Impact of OCR Accuracy and Feature Transformation on Automatic Text Classification” Proceedings of 7th International Workshop on Document Analysis Systems (DAS 2006), pp.506-517,2006年2月
Lazaro.S.P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Machine Learning with Transformed features in Automatic Text Classification” Proceedings of ECML/PKDD-05 workshop on Sub-Symbolic Paradigms for Learning in Structured Domains (Relational Machine Learning) pp. 11-20,2005年10月
Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, “A study on decision rule for Japanese dictation test”, Proceedings of the 9th International Workshop on Frontiers in Handwritten Recognition (IWFHR2004), pp.592-596,2004年10月
Wataru Ohyama, Toshikazu Muramatsu, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka “Two Dimensional Motion Tracking of Left Ventricular Myocardium Using Ultrasonic Doppler Signal” Proceedings of the Sixth IASTED International Conference on Signal and Image Processing, pp.436-440, 2004年8月
Takamasa Yokoi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Eigenspace Method by Autoassociative Networks for Object Recognition” Structural, Syntactic, and Statistical Pattern Recognition (Proceedings of Joint IAPR International Workshops SSPR2004 and SPR2004), Springer-LNCS 3138,pp.95-103,2004年8月
Guowei Zu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Accuracy Improvement of Automatic Text Classification based on Feature Transformation” Proceedings of 2003 ACM Symposium on Document Engineering (DocEng’03), pp.118-120, 2003年11月
Shusaku Shimizu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Mirror Image Learning for Autoassociative Neural Networks” Proceedings of Seventh International Conference on Document Analysis and Recognition (ICDAR'03),pp.804-808, 2003年8月
Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura “Automatic Grading Prototype System for KANJI Dictation Test” Proceedings of 16th International Conference on Pattern Recognition (ICPR2002),Vol.3, pp.232-236,2002年8月
Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka “Automatic Tracking of Local Myocardial Motion by Correlation Weighted Velocity Method” Proceddings of 16th International Conference on Pattern Recognition (ICPR2002),Vol.1, pp.711-714,2002年8月
Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura “A Comparative Study on Mirror Image Learning and GLVQ” Proceedings of 16th International Conference on Pattern Recognition (ICPR2002),Vol.2, pp.248-252,2002年8月
Tetsushi Wakabayashi, Meng Shi, Wataru Ohyama, Fumitaka Kimura “A Comparative Study on Mirror Image Learning and ALSM” Proceedings of 8th International Workshop on Frontiers in Handwriting Recognition (IWFHR2002), pp.151-156,2002年8月
Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “Clustering with Projection Distance and Pseudo Bayes Discriminant Function for Handwritten Numeral Recognition” Proceedings of Sixth International Conference on Document Analysis and Recognition (ICDAR'01) , pp. 1007-1011,2001年9月
Tetsushi Wakabayashi, Meng Shi, Wataru Ohyama, Fumitaka Kimura “Accuracy Improvement of Handwritten Numeral Recognition by Mirror Image Learning” Proceedings of Sixth International Conference on Document Analysis and Recognition (ICDAR'01), pp. 338-343,2001年9月
Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura “License Plate Recognition Using Associative Matching Based on Clique-Finding” Proceedings of IAPR Workshop on Machine Vision Applications (MVA2000), pp.71-74,2000年11月
Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura “Mirror Image Learning for Handwritten Numeral Recognition” Proceedings of Second International Workshop on Machine Learning and Data Mining in Pattern Recognition (MLDM2001), pp. 239-248,2001年7月
Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka and Kiyotsugu Sekioka “Automatic Left Ventricular Endocardium Detection in Echocardiograms Based on Ternary Thresholding Method” Proceedings of 15th International Conference of Pattern Recognition (ICPR2000), Vol. 4, pp.320-323,2000年9月
国際会議発表(アブストラクト査読)
Kenji Shiono, Wataru Ohyama
“Completion of Mokkan Character Images by Adversarial Generative Neural Network”
The 30th International Workshop on Frontiers of Computer Vision (IW-FCV2024, Tokyo, Japan), Feb.19-21, 2024,
Work-in-Progress paper (Not reviewed:査読無し)
Naoki Shimada, Tetsushi Wakabayashi, and Wataru Ohyama: Egocentric Cooking Video Summarization by Convolutional Neural Networks, Proceedings of The 25th International Workshop on Frontiers of Computer Vision (IW-FCV2019), P1-3 (February 20-22, 2019)
Masaki Fukiage, Tetsushi Wakabayashi, and Wataru Ohyama: Recognition of Facial Expression in Conversation by Double-stream Recurrent Convolutional Neural Network, Proceedings of The 25th International Workshop on Frontiers of Computer Vision (IW-FCV2019), P1-2 (February 20-22, 2019)
Wataru Ohyama,and Keigo Matsuda: Signature Verification by Verifier Fusion Technique with Random-Impostor Training, Proceedings of The 14th Joint Workshop on Machine Perception and Robotics (MPR2018), O4-2 (October 15th-17th, 2018)
Seiya Iwata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Recognition of Moving Captions for Arabic News Video Retrieval, Proceedings of 23rd International Workshop on Frontiers of Computer Vision (FCV2017), pp.#O3-1-#03-6 (2017)
Yuta Somada, Wataru Ohyama, Tetsushi Wakabayashi: Age-Invariant Face Recognition by Verification of Segmented Face Images, Proceedings of 23rd International Workshop on Frontiers of Computer Vision (FCV2017), pp.#O1-1-#01-3 (2017)
Yuta Somada, Wataru Ohyama, Tetsushi Wakabayashi: Segmented Face Image Verification for Age-Invariant Face Recognition, Proceedings of 6th International Conference on Informatics, pp.35-1-35-4 (2017)
Seiji Kojima, Wataru Ohyama, Tetsushi Wakabayashi: Gesture Recognition based on Spatiotemporal Histogram of Oriented Gradient Variation, Proceedings of 6th International Conference on Informatics, pp.33-1-33-4 (2017)
Yuki Nakamura, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: License-Plate Recognition via 3 Dimensional OCR, Proceedings of 3rd ICET, pp.33-37 (2016)
Ryuhei Kawaguchi, Wataru Ohyama, Tetsushi Wakabayashi, Yasuji Miyake: Connecting Symbol Segmentation for Mathematical OCR, Proceedings of 3rd ICET, pp.19-22 (2016)
Tsukasa Mori, Wataru Ohyama, Tetsushi Wakabayashi: Saliency Map Based Cascading Human Detector, Proceedings of 3rd ICET, pp.11-14 (2016)
Seiya Iwata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Recognizing Arabic News Captions for Video Retrieval, Proceedings of 3rd ICET, pp.6-10 (2016)
Yuki Nakamura, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Detection-free Automatic License-Plate Recognition via Three Dimensional Rotated Characters Recognition, Proceedings of the 22nd Korea-Japan Joint Workshop on Frontiers of Computer Vision (FCV2016), pp.274-278 (2015)
Ryuhei Kawaguchi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Yasuji Miyake: Connecting Symbol Segmentation for Mathematical OCR by Thinning-based Segmentation Point Detection, Proceedings of the 22nd Korea-Japan Joint Workshop on Frontiers of Computer Vision (FCV2016), pp.196-199 (2015)
Shunsuke Asai, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Kazuya Sawayama, Takeshi Matsukawa: Image-based Automatic high-precision alignment for Heliostat using attached camera, Proceedings of the 22nd Korea-Japan Joint Workshop on Frontiers of Computer Vision (FCV2016), pp.162-166 (2015)
Seiya Iwata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Recognition of Low Resolution Telops in Arabic News Broadcasting, Proceedings of the 22nd Korea-Japan Joint Workshop on Frontiers of Computer Vision (FCV2016), pp.156-161 (2015)
Koshi Suzuki, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Reading Dot-matrix Text via Variation Model Based Learning, Proceedings of the 22nd Korea-Japan Joint Workshop on Frontiers of Computer Vision (FCV2016), pp.150-155 (2015)
Tsukasa Mori, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Improving Accuracy Using Saliency Map for Human Detection, Proceedings of the 22nd Korea-Japan Joint Workshop on Frontiers of Computer Vision (FCV2016), pp.128-131 (2015)
Fumitaka Kimura, Wataru Ohyama, Tetsushi Wakabayashi: Recognition of Arabic News Caption for Video Retrieval, the 3rd Asian Conference on Pattern Recognition (ACPR2015), DS-3 (2015)
Shunsuke Asai, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Kazuya Sawayama, Takeshi Matsukawa: Automatic High-precision Alignment for Heliostat Using Attached Camera, Proceedings of 7th International Workshop on Regional Innovation Studies (IWRIS2015), pp.65-68 (2015)
Masashi Hamaguchi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Automatic Region Detection for Myocardial Motion Tracking Using M-mode Echocardiograms, Proceedings of 7th International Workshop on Regional Innovation Studies (IWRIS2015), pp.13-16 (2015)
Koshi Suzuki, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Extraction and Recognition of Dot-Matrix Characters, Proceedings of 7th International Workshop on Regional Innovation Studies (IWRIS2015), pp.1-4 (2015)
Mizuki Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Rotated Face Recognition by Manifold Learning with Auto-associative Neural Network,, Proceedings of 21st Japan-Korea Joint Workshop on Frontiers of Computer Vision (FCV2015), pp.P2-11-1-P2-11-4 (2014)
Hayato Iwasa, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Facial Features Extraction by Accelerated Implementation of Circular Hough Transform and Appearance Evaluation,, Proceedings of 21st Japan-Korea Joint Workshop on Frontiers of Computer Vision (FCV2015), pp.P1-12-1-P1-12-6 (2014)
Soichiro Hotta, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Cubic Gradient Local Auto-Correlation for Cooking Motion Recognition, roceedings of the Fourth IIEEJ International Workshop on Image Electronics and Visual Computing (IEVC2014), pp.2C-4-1-2C-2-5 (2014)
Yuuki Ogi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Generalized Segmentation-Verification for Multilingual Signatures, Proceedings of the Fourth IIEEJ International Workshop on Image Electronics and Visual Computing (IEVC2014), pp.2C-2-1-2C-2-5 (2014)
Ayaka Okada, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Automatic Grading of Japanese Ume Plum by Auto-associative Neural Networks, Proceedings of the 20th Korea-Japan Joint Workshop on Frontiers of Computer Vision (FCV2014), pp.382–387 (2013)
Mizuki Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Robust Recognition of Rotated Face Using Grayscale Gradient Features, Proceedings of 5th International Workshop on Regional Innovation Studies (IWRIS2013), pp.64–67 (2013)
Chen Chao, Naoki Maesako, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Motion Tracking of Local Myocardial Tissue Using a DP+E Tracking Method on M-mode Echocardiograms, Fifth International Conference on Emerging Trends in Engineering and Technology (ICETET-12), pp.1-6 (2012)
Yuta Kamihira, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Accuracy Improvement of Signature Verification by Segmentation Verification, Proceedings of the 2nd International Symposium for Sustainability by Engineering at MIU (IS2EMU2012), pp.342-343 (2012)
Kasumi Ito,Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Automatic Fruit Grading System Using Princepal Component Analysis of Color Image, Proceedings of the 2nd International Symposium for Sustainability by Engineering at MIU (IS2EMU2012), pp.328-330 (2012)
Kazuhisa Murakami, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: DP-based Motion Tracking for Left Ventricular Myocardium and Its Multi-thread Imprementation, Proceedings of the 2nd International Symposium for Sustainability by Engineering at MIU (IS2EMU2012), pp.315-318 (2012)
Chen Chao, Naoki Maesako, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Tracking of Local Myocardial Motion on M-mode Echocardiogram by DP-based Elastic Model, Proceedings of the 2nd International Symposium for Sustainability by Engineering at MIU (IS2EMU2012), pp.306-309 (2012)
Luo Xi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Automatic Chinese Text Classification Using Character-based and Word-based Approach, Proceedings of the 2nd International Symposium for Sustainability by Engineering at MIU (IS2EMU2012), pp.278-281 (2012)
Ryo Narita, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Probablistic Rotation Angle Estimation of 3D Rotated Characters, Proceedings of the 2nd International Symposium for Sustainability by Engineering at MIU (IS2EMU2012), pp.275-277 (2012)
Kasumi Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Automatic Fruit Grading System Using Princepal Component Analysis of Color Image, Proceedings of 4th International Workshop on Regional Innovation Studies (IWRIS2012), pp.79-82 (2012)
Chen Chao, Naoki Maesako, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Tracking of Local Myocardial Motion on M-Mode Echocardiogram by DP-based Elastic Model, Proceedings of the 14th IASTED International Conference on Signal and Image Processing (SIP2012), 786-031 (2012)
Nobuyuki Kamiya, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Motion Tracking of Left Ventricular Myocardium using B-mode Ultrasonic Image Sequence, Proceedings of International Symposium for Sustainability by Engineering at MIU (IS2EMU2011), pp.347-349 (2011)
Hiroki Hidaka, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Aging-free Person Identification Using Grayscale Gradient Features, Proceedings of International Symposium for Sustainability by Engineering at MIU (IS2EMU2011), pp.336-338 (2011)
Yasutaka Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Detection of Eyes by Circular Hough Transform and Histogram of Gradient, Proceedings of International Symposium for Sustainability by Engineering at MIU (IS2EMU2011), pp.323-326 (2011)
Kenji Terada, Mariko Isami, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Color Recognition by Extended Color Representation for Multi-color 2-D Barcode, Proceedings of International Symposium for Sustainability by Engineering at MIU (IS2EMU2011), pp.316-319 (2011)
Luo Xi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Automatic Chinese Text Classification Using Character-based and Word-based Segmentation, Proceedings of International Symposium for Sustainability by Engineering at MIU (IS2EMU2011), pp.239-241 (2011)
Chen Chao, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Kiyotsugu Sekioka: Motion Tracking of Local Myocardial Tissue Using DP Tracking Method on M-mode Echocardiogram, Proceedings of International Symposium for Sustainability by Engineering at MIU (IS2EMU2011), pp.257-260 (2011)
Ryo Narita, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: A Study on Recognition of Characters Written in Complex Background using K-means Clustering, Proceedings of International Symposium for Sustainability by Engineering at MIU (IS2EMU2011), pp.239-241 (2011)
Nobuyuki Kamiya, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Kiyotsugu Sekioka: Motion Tracking of Left Ventricular Local Myocardium Using Multithreaded DP Tracking, Proceedings of the 3rd International Workshop on Regional Innovation Studies (IWRIS2011), pp.69-72 (2011)
Yasutaka Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Detection of Eyes by Circular Hough Transform and Histgram of Gradient, Proceedings of the 3rd International Workshop on Regional Innovation Studies (IWRIS2011), pp.53-56 (2011)
Hiroki Hidaka, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Person Identification Robust Against Aging Using Gradient Features, Proceedings of the 3rd International Workshop on Regional Innovation Studies (IWRIS2011), pp.49-52 (2011)
Wataru Ohyama, Daichi Okamoto, Tetsushi Wakabayashi, Fumitaka Kimura: Performance Improvement of Automatic Facial Midline Detection by Chain-coded Merlin-Farber Hough Transform, Proceedings of the 2nd International Workshop on Regional Innovation Studies (IWRIS2010), pp.67-70 (2010)
Akihiro Kokawa, L.S.P.Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Feature Selection and Integration in Automatic Classification of Japanese Texts, Proceedings of the 2nd International Workshop on Regional Innovation Studies (IWRIS2010), pp.63-66 (2010)
Chen Chao, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura,, Kiyotsugu Sekioka: Motion Tracking of Left Ventricular Local Myocardium in B-Mode Echocardiogram Using DP-Correlation Method, IFMBE Proceedings of 6th World Congress of Biomechanics (WCB2010), pp.477-480 (2010)
Tomokazu Matsuda, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Kiyotsugu Sekioka: Tracking of Left Ventricular Myocardial Motion in B-mode echocardiogram, Proceedings of the First International Workshop on Regional Innovation Studies – Biomedical Engineering – (IWRIS2009), pp.35-38 (2009)
Kenta Nakayama, Wataru Ohyama, Tetsushi Wakabayasehi, Fumitaka Kimura, Kiyotsugu Sekioka: Denoising of Echocardiograms using Wavelet Shrinkage, Proceedings of the First International Workshop on Regional Innovation Studies – Biomedical Engineering – (IWRIS2009), pp.31-34 (2009)
Chen Chao, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Kiyotsugu Sekioka: Semi-automatic noninvasive assessment of local myocardial motion Using M-mode Echocardiogram, Proceedings of the First International Workshop on Regional Innovation Studies – Biomedical Engineering – (IWRIS2009), pp.27-30 (2009)
Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka: Automatic Extraction of SPAMM Grids in Left Ventricular Myocardium from MR Tagging Images, Proceedings of the First International Workshop on Regional Innovation Studies – Biomedical Engineering – (IWRIS2009), pp.25-26 (2009)
Kenta Nakayama, Wataru Ohyama, Tetsushi Wakabayasehi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka: Speckle Reduction of Echocardiograms via Wavelet Shrinkage of Ultrasonic RF Signals, Proceedings of 13th International Conference on Biomedical Engineering, pp.395-398 (2008)
Wataru Ohyama, M.Shridhar, Paul Watta: FACIAL FEATURE EXTRACTION USING GRADIENT FEATURES AND MQDF MATCHING, Proceedings of Eighth IASTED International Conference Signal and Image Processing, pp.329–334 (2006)
Koichi Nagata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka,, Kiyotsugu Sekioka: Myocardial motion tracking by adaptive combination of correlation and instantaneous phase difference of ultrasonic RF signals, The 12th International Conference on BioMedical Engineering, 3B2-08 (2005)
Toshiyuki Usami, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka,, Kiyotsugu Sekioka: Estimation of Respiratory Rate Using Long Term ECG Recording, The 12th International Conference on BioMedical Engineering, 2B1-09 (2005)
Busagala, L.S.P. Ohyama, W. Wakabayashi, T. Kimura, F.: Machine Learning with Transformed features in Automatic Text Classification, Proceedings of ECML/PKDD-05 workshop on Sub-symbolic Paradigms for Learning in Structured Domains (Relational Machine Learning), pp.11-20 (2005)
Wataru Ohyama, Toshikazu Muramatsu, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka,, Kiyotsugu Sekioka: Two Dimensional Motion Tracking of Left Ventricular Myocardium Using Ultrasonic Doppler Signal, Proceedings of the Sixth IASTED International Conference on Signal and Image Processing, pp.436-440 (2004)
Toshikazu Muramatsu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka,, Kiyotsugu Sekioka: Two Dimensional Motion Tracking of Left Ventricular Myocardium Using Ultrasonic Doppler Signal, Proceedings of International Congress on Biological and Medical Engineering, P5-4 (2002)
Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka,, Kiyotsugu Sekioka: Automatic Extraction of SPAMM Grid from MR Images by Grid Separation Filters and Active Contour Model, Proceedings of International Congress on Biological and Medical Engineering, D4VA-0845 (2002)
Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka: Local Myocardial Motion Tracking Based on Correlation Weighted Phase-Difference Method, Proceedings of The 10th International Conference on Biomedical Engineering, pp.151-152 (2000)
Wataru Ohyama, Fumitaka Kimura, Tetsushi Wakabayashi, Shinji Tsuruoka, Kiyotsugu Sekioka: An Automatic Extraction of left Ventricular Endocardium in Echocardiogram, Proceedings of The 4th Asia-Pacific Conference on Medical & Biological Engineering (APCMBE99), p.425 (1999)
大山 航:Signature Verification by Verifier Fusion Technique with Random-Impostor Training:第8回バイオメトリクスと認識・認証シンポジウム(SBRA2018)S4-23(2018年11月20日〜21日,KDDI飯田橋駅前ビル)
Yuuki Ogi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Segmentation-Verification using Center of Gravity for Multilingual Signatures: 第17回画像の認識・理解シンポジウム(MIRU2014),SS2-6(2014年7月28日~31日,岡山コンベンションセンター)
Soichiro Hotta, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: Cooking Gesture Recognition Based on Gradient Local Auto Correlation: 第17回画像の認識・理解シンポジウム(MIRU2014),SS2-39(2014年7月28日~31日,岡山コンベンションセンター)
Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura: 3D Rotation Angle Estimation of Characters Using Low Dimensional Feature vector: 第17回画像の認識・理解シンポジウム(MIRU2014),DS2-3(2014年7月28日~31日,岡山コンベンションセンター)
Chen CHAO, Wataru OHYAMA, Tetsushi WAKABAYASHI, Fumitaka KIMURA and Kiyotsugu SEKIOKA: “Motion Tracking of Local Myocardial Tissue Using DP Tracking Method on M-mode Echocardiogram”: Proc. of International Forum on Medical Imaging in Asia 2009(信学技報)MI2008-65 pp.37-40(Jan. 19-22, Taiwan)
Lazaro S.P. Busagala,大山航,若林哲史,木村文隆:“An Impact of Canonical Discriminant Analysis on Transformed Features in Automatic Text Classification”:平成18年度電気関係学会東海支部連合大会(9月28-29日)(O-495)
Lazaro Busagara,大山航,若林哲史,木村文隆:“Transformed Features for Machine Learning Techiniques in Automatic Text Classification”:
平成17年度電気関係学会東海支部連合大会(9月15-16日)p.20(O-249)
Muhammad Imran Malik, Marcus Liwicki, Linda Alewijnse, Wataru Ohyama, Michael Blumenstein, Bryan Found “ICDAR 2013 Competitions on Signature Verification and Writer Identification for On- and Offline Skilled Forgeries (SigWiComp 2013)” Proceedings of 12th International Conference on Document Analysis and Recognition (ICDAR2013), pp. 1477-1483,2013年8月