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Wataru Ohyama
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2020 – today
- 2024
- [c64]Wataru Ohyama, Yoshinori Hatano, Hajime Baba:
Automatic Measured Drawing Generation for Mokkan Using Deep Learning. IW-FCV 2024: 39-50 - 2023
- [c63]Satoru Nakamura, Guanwei Liu, Hajime Miyazaki, Satoshi Inoue, Wataru Ohyama, Taizo Yamada:
Implementation of data-driven historical informatics research on Kao (Stylized Signature). DH 2023 - 2021
- [j4]Yuchen Zheng
, Brian Kenji Iwana, Muhammad Imran Malik, Sheraz Ahmed, Wataru Ohyama, Seiichi Uchida:
Learning the micro deformations by max-pooling for offline signature verification. Pattern Recognit. 118: 108008 (2021) - 2020
- [c62]Wataru Ohyama, Yuta Somada, Nobu C. Shirai, Tetsushi Wakabayashi:
Discriminative Metric Learning with Convolutional Feature Descriptors for Age-Invariant Face Recognition and Verification. IW-FCV 2020: 83-96 - [c61]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. IECON 2020: 632-637 - [e1]Wataru Ohyama
, Soon Ki Jung:
Frontiers of Computer Vision - 26th International Workshop, IW-FCV 2020, Ibusuki, Kagoshima, Japan, February 20-22, 2020, Revised Selected Papers. Communications in Computer and Information Science 1212, Springer 2020, ISBN 978-981-15-4817-8 [contents]
2010 – 2019
- 2019
- [j3]Wataru Ohyama
, Masakazu Suzuki, Seiichi Uchida:
Detecting Mathematical Expressions in Scientific Document Images Using a U-Net Trained on a Diverse Dataset. IEEE Access 7: 144030-144042 (2019) - [c60]Takeo Ishihara, Kento Morita, Nobu C. Shirai, Tetsushi Wakabayashi, Wataru Ohyama:
Chart-Type Classification Using Convolutional Neural Network for Scholarly Figures. ACPR (2) 2019: 252-261 - [c59]Daisuke Harada, Ryoma Bise, Hiroki Tokunaga, Wataru Ohyama, Sanae Oka, Toshihiko Fujimori, Seiichi Uchida:
Scribbles for Metric Learning in Histological Image Segmentation. EMBC 2019: 1026-1030 - [c58]Yosuke Onitsuka, Wataru Ohyama, Seiichi Uchida:
Training Convolutional Autoencoders with Metric Learning. ICDAR 2019: 86-91 - [c57]Yan Zheng
, Yuchen Zheng, Wataru Ohyama, Daiki Suehiro, Seiichi Uchida:
RankSVM for Offline Signature Verification. ICDAR 2019: 928-933 - [c56]Joonho Lee, Hideaki Hayashi, Wataru Ohyama, Seiichi Uchida:
Page Segmentation using a Convolutional Neural Network with Trainable Co-Occurrence Features. ICDAR 2019: 1023-1028 - [c55]Yuchen Zheng, Wataru Ohyama, Brian Kenji Iwana, Seiichi Uchida:
Capturing Micro Deformations from Pooling Layers for Offline Signature Verification. ICDAR 2019: 1111-1116 - 2018
- [j2]Kazunori Aoki, Wataru Ohyama, Tetsushi Wakabayashi:
Extraction and Recognition of Shoe Logos with a Wide Variety of Appearance Using Two-Stage Classifiers. IEICE Trans. Inf. Syst. 101-D(5): 1325-1332 (2018) - 2017
- [c54]Yuta Somada, Wataru Ohyama, Tetsushi Wakabayashi:
Age-Invariant Person Identification by Segmentation Verification of Face Image. ACPR 2017: 358-363 - [c53]Keg Matsuda, Wataru Ohyama, Tetsushi Wakabayashi:
Multilingual-Signature Verification by Verifier Fusion Using Random Forests. ACPR 2017: 941-946 - [c52]Seiya Iwata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Recognition and connection of moving captions in Arabic TV news. ASAR 2017: 163-167 - [c51]Wataru Ohyama, Seiya Iwata, Tetsushi Wakabayashi, Fumitaka Kimura:
Detection and Recognition of Arabic Text in Video Frames. MOCR@ICDAR 2017: 20-24 - [c50]Kazunori Aoki, Wataru Ohyama, Tetsushi Wakabayashi:
Automatic extraction and recognition of shoe logos with a wide variety of appearance. MVA 2017: 211-214 - [c49]Wataru Ohyama, Koushi Suzuki, Tetsushi Wakabayashi:
Recognition and defect detection of dot-matrix text via variation-model based learning. QCAV 2017: 103380K - 2016
- [c48]Keigo Matsuda, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Effective Random-Impostor Training for Combined Segmentation Signature Verification. ICFHR 2016: 489-494 - [c47]Seiya Iwata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Recognition and transition frame detection of Arabic news captions for video retrieval. ICPR 2016: 4005-4010 - 2015
- [c46]Wataru Ohyama, Soichiro Hotta, Tetsushi Wakabayashi:
Spatiotemporal auto-correlation of grayscale gradient with importance map for cooking gesture recognition. ACPR 2015: 166-170 - [c45]Mizuki Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Rotated face recognition by manifold learning with auto-associative neural network. FCV 2015: 1-4 - [c44]Hayato Iwasa, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Facial features extraction by accelerated implementation of circular hough transform and appearance evaluation. FCV 2015: 1-6 - [c43]Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Efficient estimation of character normal direction for Camera-based OCR. ICDAR 2015: 371-375 - [c42]Wataru Ohyama, Yuuki Ogi, Tetsushi Wakabayashi, Fumitaka Kimura:
Multilingual signature-verification by generalized combined segmentation verification. ICDAR 2015: 811-815 - [c41]Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Efficient three dimensional rotation estimation for camera-based OCR. MVA 2015: 459-462 - 2014
- [c40]Koji Endo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Performance Improvement of Dot-Matrix Character Recognition by Variation Model Based Learning. ACCV Workshops (2) 2014: 147-156 - [c39]Wataru Ohyama, Akihito Yamamoto, Tetsushi Wakabayashi, Fumitaka Kimura:
Improving Accuracy of Printed Character Recognition Using Hexagonal Zoning of Directional Histogram Feature. ICPR 2014: 2697-2702 - 2013
- [c38]Yuta Kamihira, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Improvement of Japanese Signature Verification by Combined Segmentation Verification Approach. ACPR 2013: 501-505 - [c37]Kanta Kuramoto, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Accuracy Improvement of Viewpoint-Free Scene Character Recognition by Rotation Angle Estimation. CBDAR 2013: 60-70 - [c36]Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Automatic Chinese Text Classification Using Character-Based and Word-Based Approach. ICDAR 2013: 329-333 - [c35]Yuta Kamihira, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Improvement of Japanese Signature Verification by Segmentation-Verification. ICDAR 2013: 379-382 - [c34]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). ICDAR 2013: 1477-1483 - 2012
- [c33]Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Multiple Feature-Classifier Combination in Automated Text Classification. Document Analysis Systems 2012: 43-47 - [c32]Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Impact of Word Segmentation Errors on Automatic Chinese Text Classification. Document Analysis Systems 2012: 271-275 - [c31]Chen Chao, Naoka Masesako, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Kiyotsugu Sekioka:
Motion Tracking of Local Myocardial Tissue Using a DP+E Tracking Method on M-mode Echocardiograms. ICETET 2012: 1-6 - [c30]Takashi Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Combination of Signature Verification Techniques by SVM. ICFHR 2012: 430-433 - [c29]Ryo Narita, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
A study on three dimensional rotation-free character recognition and rotation angle estimation of characters. ICPR 2012: 677-680 - [c28]Yasutaka Ito, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Detection of eyes by circular Hough transform and histogram of gradient. ICPR 2012: 1795-1798 - 2011
- [c27]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. ICDAR 2011: 543-547 - [c26]Ryo Narita, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Three Dimensional Rotation-Free Recognition of Characters. ICDAR 2011: 824-828 - [c25]Xi Luo, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
A Study on Automatic Chinese Text Classification. ICDAR 2011: 920-924 - [c24]Takuma Shimizu, Mariko Isami, Kenji Terada, Wataru Ohyama, Fumitaka Kimura:
Color Recognition by Extended Color Space Method for 64-color 2-D Barcode. MVA 2011: 259-262 - 2010
- [c23]Gudila Paul Moshi, Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
An impact of linguistic features on automated classification of OCR texts. Document Analysis Systems 2010: 287-292 - [c22]Yumiko Kawazoe, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Improvement of On-line Signature Verification Based on Gradient Features. ICFHR 2010: 410-414
2000 – 2009
- 2008
- [j1]Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Improving Automatic Text Classification by Integrated Feature Analysis. IEICE Trans. Inf. Syst. 91-D(4): 1101-1109 (2008) - 2007
- [c21]Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Integrated Feature Analysis For Automatic Text Classification. MLDM Posters 2007: 16-26 - [c20]Fei Liu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Improvement of Cadastral Map Assembling Based on GHT. MVA 2007: 571-574 - [c19]Nozomi Nakao, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Automatic Detection of Facial Midline as a Guide for Facial Feature Extraction. PRIS 2007: 119-128 - 2006
- [c18]Mayo Murata, Lazaro S. P. Busagala, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
The Impact of OCR Accuracy and Feature Transformation on Automatic Text Classification. Document Analysis Systems 2006: 506-517 - [c17]Fei Liu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Automatic Assembling of Cadastral Maps Based on Generalized Hough Transformation. Document Analysis Systems 2006: 593-603 - 2004
- [c16]Guowei Zu, Mayo Murata, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
The Impact of OCR Accuracy on Automatic Text Classification. AWCC 2004: 403-409 - [c15]Xuexian Han, Guowei Zu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Accuracy Improvement of Automatic Text Classification Based on Feature Transformation and Multi-classifier Combination. AWCC 2004: 463-468 - [c14]Yimei Ding, Wataru Ohyama, Fumitaka Kimura, Malayappan Shridhar:
Local slant estimation for handwritten English words. IWFHR 2004: 328-333 - [c13]Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
A study on decision rule for Japanese dictation test. IWFHR 2004: 592-596 - [c12]Takamasa Yokoi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Eigenspace Method by Autoassociative Networks for Object Recognition. SSPR/SPR 2004: 95-103 - 2003
- [c11]Guowei Zu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Accuracy improvement of automatic text classification based on feature transformation. ACM Symposium on Document Engineering 2003: 118-120 - [c10]Shusaku Shimizu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Mirror Image Learning for Autoassociative Neural Networks. ICDAR 2003: 804-808 - 2002
- [c9]Tetsushi Wakabayashi, Meng Shi, Wataru Ohyama, Fumitaka Kimura:
A comparative study on mirror image learning and ALSM. IWFHR 2002: 151-156 - [c8]Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura:
Automatic Grading Prototype System for KANJI Dictation Test. ICPR (3) 2002: 232-235 - [c7]Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura:
Comparative Study on Mirror Image Learning (MIL) and GLVQ. ICPR (2) 2002: 248- - [c6]Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka:
Automatic Tracking of Local Myocardial Motion by Correlation Weighted Velocity Method. ICPR (1) 2002: 711-714 - 2001
- [c5]Tetsushi Wakabayashi, Meng Shi, Wataru Ohyama, Fumitaka Kimura:
Accuracy Improvement of Handwritten Numeral Recognition by Mirror Image Learning. ICDAR 2001: 338-343 - [c4]Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
Clustering with Projection Distance and Pseudo Bayes Discriminant Function for Handwritten Numeral Recognition. ICDAR 2001: 1007-1011 - [c3]Meng Shi, Tetsushi Wakabayashi, Wataru Ohyama, Fumitaka Kimura:
Mirror Image Learning for Handwritten Numeral Recognition. MLDM 2001: 239-248 - 2000
- [c2]Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura, Shinji Tsuruoka, Kiyotsugu Sekioka:
Automatic Left Ventricular Endocardium Detection in Echocardiograms Based on Ternary Thresholding Method. ICPR 2000: 4320-4323 - [c1]Meng Shi, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura:
License Plate Recognition Using Associative Matching Based on Clique-Finding. MVA 2000: 71-74
Coauthor Index
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