| 2026 | AIED | Contrastive Network-Based Similarity for Zero-Shot Automatic Scoring of Very Short Handwritten Answers. | Nam Tuan Ly, Hung Tuan Nguyen, Thanh-Nghia Truong, Masamitsu Ito, Masaki Nakagawa |
| 2026 | ICDAR | Automated Character-Level Annotation for Historical Nom Documents via an Iterative Self-updating Radical-Based Recognizer. | Cuong Tuan Nguyen, Khoa Nguyen Tran, Ngoc Tuan Nguyen, Hung Tuan Nguyen, Nam Tuan Ly, Masaki Nakagawa |
| 2026 | ICDAR | Hierarchical Stroke-Level Clustering and Step-Level Segmentation for Automatic Scoring of Geometric Construction Answers with an Electronic Drawing Compass. | Thanh-Nghia Truong, Hung Tuan Nguyen, Nam Tuan Ly, Yoichi Tsuchida, Hiroshi Miyazawa, Tomo Asakura, Masamitsu Ito, Toshihiko Horie, Fumiko Yasuno, Masaki Nakagawa |
| 2026 | ICPRAM | Siamese Network-Based Handwritten Pattern Similarity for Few-Shot Automatic Scoring of Very Short Answers. | Nam Tuan Ly, Hung Tuan Nguyen, Masaki Nakagawa |
| 2025 | AIED | Similarity-Based Scoring Model for Handwritten Answers in Japanese Workbooks. | Takahiro Saito, Hung Tuan Nguyen, Kanako Komiya, Tsunenori Ishioka, Masaki Nakagawa |
| 2025 | AIED | Investigating the Influence of Automated Transcription Error Correction on Automated Grading for Handwritten Japanese Answers. | Rina Suzuki, Takahiro Saito, Hisao Usui, Hiroaki Ozaki, Hung Tuan Nguyen, Kanako Komiya, Tsunenori Ishioka, Masaki Nakagawa |
| 2025 | ICDAR | Automated Recognition and Scoring of Handwritten Short Answer: Insights from Japanese Elementary and Junior High Schools. | Hung Tuan Nguyen, Thanh-Nghia Truong, Nam Tuan Ly, Masaki Nakagawa, Toshihiko Horie |
| 2025 | PKAW | Answer Generation for Large-Scale Official Trial Tests in Japanese University Entrance Exams Using RAG. | Taketsuna Ichiyanagi, Kanako Komiya, Tsunenori Ishioka, Masaki Nakagawa |
| 2024 | DAS | Two Experiments for Automatic Scoring of Handwritten Descriptive Answers. | Masaki Nakagawa, Hung Tuan Nguyen, Thanh-Nghia Truong, Nam Tuan Ly, Cuong Tuan Nguyen, Haruki Oka, Tsunenori Ishioka, Tomo Asakura, Hiroshi Miyazawa, Takahiro Yamamoto, Toshihiko Horie, Fumiko Yasuno |
| 2024 | DAS | Error Correction of Japanese Character-Recognition in Answers to Writing-Type Questions Using T5. | Rina Suzuki, Hisao Usui, Hiroaki Ozaki, Hung Tuan Nguyen, Kanako Komiya, Tsunenori Ishioka, Masaki Nakagawa |
| 2024 | ICDAR | Content-Based Similarity for Automatic Scoring of Handwritten Descriptive Answers. | Nghia Thanh Truong, Hung Tuan Nguyen, Nam Tuan Ly, Toshihiko Horie, Masaki Nakagawa |
| 2023 | AIED | Digitalizing educational workbooks and collecting handwritten answers for automatic scoring. | Tomo Asakura, Hung Tuan Nguyen, Nghia Truong, Nam Tuan Ly, Cuong Tuan Nguyen, Hiroshi Miyazawa, Yoichi Tsuchida, Takahiro Yamamoto, Masamitsu Ito, Toshihiko Horie, Fumiko Yasuno, Tsunenori Ishioka, Kokoro Kobayashi, Ikuko Shimizu, Masaki Nakagawa |
| 2023 | ICDAR | Incremental Teacher Model with Mixed Augmentations and Scheduled Pseudo-label Loss for Handwritten Text Recognition. | Masayuki Honda, Hung Tuan Nguyen, Cuong Tuan Nguyen, Kha Cong Nguyen, Ryosuke Odate, Takashi Kanemaru, Masaki Nakagawa |
| 2023 | ICDAR | ICDAR 2023 CROHME: Competition on Recognition of Handwritten Mathematical Expressions. | Yejing Xie, Harold Mouchre, Foteini Simistira Liwicki, Sumit Rakesh, Rajkumar Saini, Masaki Nakagawa, Cuong Tuan Nguyen, Thanh-Nghia Truong |
| 2022 | AIED | Fully Automated Short Answer Scoring of the Trial Tests for Common Entrance Examinations for Japanese University. | Haruki Oka, Hung Tuan Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa, Tsunenori Ishioka |
| 2022 | ICFHR | Handwriting Recognition and Automatic Scoring for Descriptive Answers in Japanese Language Tests. | Hung Tuan Nguyen, Cuong Tuan Nguyen, Haruki Oka, Tsunenori Ishioka, Masaki Nakagawa |
| 2021 | ICDAR | 2D Self-attention Convolutional Recurrent Network for Offline Handwritten Text Recognition. | Nam Tuan Ly, Hung Tuan Nguyen, Masaki Nakagawa |
| 2021 | ICDAR | Recurrent Neural Network Transducer for Japanese and Chinese Offline Handwritten Text Recognition. | Trung Tan Ngo, Hung Tuan Nguyen, Nam Tuan Ly, Masaki Nakagawa |
| 2021 | ICDAR | A-VLAD: An End-to-End Attention-Based Neural Network for Writer Identification in Historical Documents. | Trung Tan Ngo, Hung Tuan Nguyen, Masaki Nakagawa |
| 2021 | ICDAR | Temporal Classification Constraint for Improving Handwritten Mathematical Expression Recognition. | Cuong Tuan Nguyen, Hung Tuan Nguyen, Kei Morizumi, Masaki Nakagawa |
| 2021 | ICDAR | Global Context for Improving Recognition of Online Handwritten Mathematical Expressions. | Cuong Tuan Nguyen, Thanh-Nghia Truong, Hung Tuan Nguyen, Masaki Nakagawa |
| 2021 | ICDAR | Relation-Based Representation for Handwritten Mathematical Expression Recognition. | Thanh-Nghia Truong, Quang Huy Ung, Hung Tuan Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa |
| 2021 | ICDAR | GSSF: A Generative Sequence Similarity Function Based on a Seq2Seq Model for Clustering Online Handwritten Mathematical Answers. | Quang Huy Ung, Cuong Tuan Nguyen, Hung Tuan Nguyen, Masaki Nakagawa |
| 2021 | ICDAR | A Transformer-Based Math Language Model for Handwritten Math Expression Recognition. | Quang Huy Ung, Cuong Tuan Nguyen, Hung Tuan Nguyen, Thanh-Nghia Truong, Masaki Nakagawa |
| 2020 | HCI | Evaluation of Secure Pad Resilient to Shoulder Hacking. | Kokoro Kobayashi, Tsuyoshi Oguni, Masaki Nakagawa |
| 2020 | ICFHR | Attention Augmented Convolutional Recurrent Network for Handwritten Japanese Text Recognition. | Nam Tuan Ly, Cuong Tuan Nguyen, Masaki Nakagawa |
| 2020 | ICFHR | A Siamese Network-based Approach For Matching Various Sizes Of Excavated Wooden Fragments. | Trung Tan Ngo, Cuong Tuan Nguyen, Masaki Nakagawa |
| 2020 | ICFHR | A Semantic Segmentation-based Method for Handwritten Japanese Text Recognition. | Kha Cong Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa |
| 2020 | ICFHR | Online Handwritten Mathematical Symbol Segmentation and Recognition with Bidirectional Context. | Cuong Tuan Nguyen, Thanh-Nghia Truong, Quang Huy Ung, Masaki Nakagawa |
| 2020 | ICFHR | Improvement of End-to-End Offline Handwritten Mathematical Expression Recognition by Weakly Supervised Learning. | Thanh-Nghia Truong, Cuong Tuan Nguyen, Khanh Minh Phan, Masaki Nakagawa |
| 2019 | ICDAR | Interactive User Interface for Recognizing Online Handwritten Mathematical Expressions and Correcting Misrecognition. | Vu Tran Minh Khuong, Khanh Minh Phan, Masaki Nakagawa |
| 2019 | ICDAR | Generating Synthetic Handwritten Mathematical Expressions from a LaTeX Sequence or a MathML Script. | Vu Tran Minh Khuong, Quang Huy Ung, Masaki Nakagawa, Khanh Minh Phan |
| 2019 | ICDAR | User Interface for Text and Non-Text Classification. | Thanh Thi Xuan Lam, Anh Duc Le, Masaki Nakagawa |
| 2019 | ICDAR | An Attention-Based End-to-End Model for Multiple Text Lines Recognition in Japanese Historical Documents. | Nam Tuan Ly, Cuong Tuan Nguyen, Masaki Nakagawa |
| 2019 | ICDAR | A Character Attention Generative Adversarial Network for Degraded Historical Document Restoration. | Kha Cong Nguyen, Cuong Tuan Nguyen, Seiji Hotta, Masaki Nakagawa |
| 2019 | ICDAR | Strategy and Tools for Collecting and Annotating Handwritten Descriptive Answers for Developing Automatic and Semi-Automatic Marking - An Initial Effort to Math. | Quang Huy Ung, Khanh Minh Phan, Hung Tuan Nguyen, Masaki Nakagawa |
| 2018 | HCI | Monitor System for Remotely Small Vessel Navigating. | Masaki Kondo, Ruri Shoji, Koichi Miyake, Tadasuke Furuya, Kohta Ohshima, Etsuro Shimizu, Masaaki Inaishi, Masaki Nakagawa |
| 2018 | HCI | The "Watch" Support System for Ship Navigation. | Masaki Kondo, Ruri Shoji, Koichi Miyake, Ting Zhang, Tadasuke Furuya, Kohta Ohshima, Masaaki Inaishi, Masaki Nakagawa |
| 2018 | ICFHR | Training an End-to-End Model for Offline Handwritten Japanese Text Recognition by Generated Synthetic Patterns. | Nam Tuan Ly, Cuong Tuan Nguyen, Masaki Nakagawa |
| 2018 | ICFHR | Online Japanese Handwriting Recognizers using Recurrent Neural Networks. | Hung Tuan Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa |
| 2018 | ICFHR | ICFHR 2018 - Competition on Vietnamese Online Handwritten Text Recognition using HANDS-VNOnDB (VOHTR2018). | Hung Tuan Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa |
| 2017 | ICDAR | Attempts to recognize anomalously deformed Kana in Japanese historical documents. | Hung Tuan Nguyen, Nam Tuan Ly, Kha Cong Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa |
| 2017 | ICDAR | Speedup of Parsing for Recognition of Online Handwritten Mathematical Expressions. | Anh Duc Le, Masaki Nakagawa |
| 2017 | ICDAR | Training an End-to-End System for Handwritten Mathematical Expression Recognition by Generated Patterns. | Anh Duc Le, Masaki Nakagawa |
| 2017 | ICDAR | Deep Convolutional Recurrent Network for Segmentation-Free Offline Handwritten Japanese Text Recognition. | Nam Tuan Ly, Cuong Tuan Nguyen, Kha Cong Nguyen, Masaki Nakagawa |
| 2017 | ICDAR | Tens of Thousands of Nom Character Recognition by Deep Convolution Neural Networks. | Kha Cong Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa |
| 2016 | DAS | Modified X-Y Cut for Re-Ordering Strokes of Online Handwritten Mathematical Expressions. | Anh Duc Le, Hai Dai Nguyen, Masaki Nakagawa |
| 2016 | ICFHR | Preparation of an Unconstrained Vietnamese Online Handwriting Database and Recognition Experiments by Recurrent Neural Networks. | Hung Tuan Nguyen, Cuong Tuan Nguyen, Pham The Bao, Masaki Nakagawa |
| 2016 | ICFHR | Comparison of Parsing Algorithms for Recognizing Online Handwritten Mathematical Expressions. | Anh Duc Le, Masaki Nakagawa |
| 2016 | ICFHR | A Candidate Lattice Refinement Method for Online Handwritten Japanese Text Recognition. | Jianjuan Liang, Bilan Zhu, Masaki Nakagawa |
| 2016 | ICFHR | Enhanced Character Segmentation for Format-Free Japanese Text Recognition. | Kha Cong Nguyen, Masaki Nakagawa |
| 2016 | ICFHR | Finite State Machine Based Decoding of Handwritten Text Using Recurrent Neural Networks. | Cuong Tuan Nguyen, Masaki Nakagawa |
| 2016 | ICFHR | Semi-incremental Recognition of Online Handwritten Mathematical Expressions. | Khanh Minh Phan, Anh Duc Le, Masaki Nakagawa |
| 2016 | ICFHR | Online Handwritten Cursive Word Recognition by Combining Segmentation-Free and Segmentation-Based Methods. | Bilan Zhu, Arti Shivram, Venu Govindaraju, Masaki Nakagawa |
| 2014 | DAS | A System for Recognizing Online Handwritten Mathematical Expressions and Improvement of Structure Analysis. | Anh Duc Le, Truyen Van Phan, Masaki Nakagawa |
| 2014 | ICFHR | Recognition System for On-Line Sketched Diagrams. | Martin Bresler, Truyen Van Phan, Daniel Prusa, Masaki Nakagawa, Vclav Hlavc |
| 2014 | ICFHR | Large Improvement in Line-Direction-Free and Character-Orientation-Free On-Line Handwritten Japanese Text Recognition. | Yuechan Hao, Bilan Zhu, Masaki Nakagawa |
| 2014 | ICFHR | Comparison of MRF and CRF for Text/Non-text Classification in Japanese Ink Documents. | Soichiro Inatani, Truyen Van Phan, Masaki Nakagawa |
| 2014 | ICFHR | A Database of On-Line Handwritten Mixed Objects Named "Kondate". | Tomohisa Matsushita, Masaki Nakagawa |
| 2014 | ICFHR | A Semi-incremental Recognition Method for On-Line Handwritten English Text. | Cuong Tuan Nguyen, Bilan Zhu, Masaki Nakagawa |
| 2014 | ICFHR | Text/Non-text Classification in Online Handwritten Documents with Recurrent Neural Networks. | Truyen Van Phan, Masaki Nakagawa |
| 2013 | ICDAR | A Semi-incremental Recognition Method for On-Line Handwritten Japanese Text. | Cuong Tuan Nguyen, Bilan Zhu, Masaki Nakagawa |
| 2013 | ICDAR | A re-assembling scheme of fragmented Mokkan images. | Truyen Van Phan, Hajime Baba, Akihiro Watanabe, Masaki Nakagawa |
| 2013 | ICDAR | Character Shape Restoration of Binarized Historical Documents by Smoothing via Geodesic Morphology. | K. Shirai, Y. Endo, Akihito Kitadai, Satoshi Inoue, N. Kurushima, Hajime Baba, Akihiro Watanabe, Masaki Nakagawa |
| 2013 | ICDAR | Segmentation Based Online Word Recognition: A Conditional Random Field Driven Beam Search Strategy. | Arti Shivram, Bilan Zhu, Srirangaraj Setlur, Masaki Nakagawa, Venu Govindaraju |
| 2013 | ICDAR | Online Handwritten Cursive Word Recognition Using Segmentation-Free MRF in Combination with P2DBMN-MQDF. | Bilan Zhu, Arti Shivram, Srirangaraj Setlur, Venu Govindaraju, Masaki Nakagawa |
| 2012 | DAS | Similarity Evaluation and Shape Feature Extraction for Character Pattern Retrieval to Support Reading Historical Documents. | Akihito Kitadai, Masaki Nakagawa, Hajime Baba, Akihiro Watanabe |
| 2012 | DAS | Effect of Text/Non-text Classification for Ink Search Employing String Recognition. | Tomohisa Matsushita, Cheng Cheng, Yujiro Murata, Bilan Zhu, Masaki Nakagawa |
| 2012 | DAS | Collecting Handwritten Nom Character Patterns from Historical Document Pages. | Truyen Van Phan, Bilan Zhu, Masaki Nakagawa |
| 2012 | ICCHP | Development of Software for Automatic Creation of Embossed Graphs - Comparison of Non-visual Data Presentation Methods and Development Up-to-Date. | Tetsuya Watanabe, Toshimitsu Yamaguchi, Masaki Nakagawa |
| 2012 | ICFHR | Comparing Character Recognition Based Approach with Feature Matching Based Approach for Digital Ink Search. | Cheng Cheng, Bilan Zhu, Masaki Nakagawa |
| 2012 | ICFHR | Building a Compact On-Line MRF Recognizer for Large Character Set Using Structured Dictionary Representation and Vector Quantization Technique. | Bilan Zhu, Masaki Nakagawa |
| 2011 | ICDAR | A Discriminative Model for On-line Handwritten Japanese Text Retrieval. | Cheng Cheng, Bilan Zhu, Masaki Nakagawa |
| 2011 | ICDAR | Effects of Generating a Large Amount of Artificial Patterns for On-line Handwritten Japanese Character Recognition. | Bin Chen, Bilan Zhu, Masaki Nakagawa |
| 2011 | ICDAR | An On-line Handwritten Text Search Method Based on Directional Feature Matching. | Pasitthideth Luangvilay, Bilan Zhu, Masaki Nakagawa |
| 2011 | ICDAR | Effects of Line Densities on Nonlinear Normalization for Online Handwritten Japanese Character Recognition. | Truyen Van Phan, Jinfeng Gao, Bilan Zhu, Masaki Nakagawa |
| 2011 | ICDAR | Development of Nom character segmentation for collecting patterns from historical document pages. | Truyen Van Phan, Bilan Zhu, Masaki Nakagawa |
| 2011 | ICDAR | A Digital Ink Recogntion Server for Handwritten Japanese Text. | Daqing Wang, Bilan Zhu, Masaki Nakagawa |
| 2011 | ICDAR | Transcript Mapping for Handwritten Text Lines Using Conditional Random Fields. | Xiang-Dong Zhou, Fei Yin, Da-Han Wang, Qiu-Feng Wang, Masaki Nakagawa, Cheng-Lin Liu |
| 2011 | ICDAR | Objective Function Design for MCE-Based Combination of On-line and Off-line Character Recognizers for On-line Handwritten Japanese Text Recognition. | Bilan Zhu, Jinfeng Gao, Masaki Nakagawa |
| 2011 | ICDAR | On-line Handwritten Japanese Characters Recognition Using a MRF Model with Parameter Optimization by CRF. | Bilan Zhu, Masaki Nakagawa |
| 2011 | ICDAR | A Coarse Classifier Construction Method from a Large Number of Basic Recognizers for On-line Recognition of Handwritten Japanese Characters. | Bilan Zhu, Masaki Nakagawa |
| 2011 | ICDAR | Trie-Lexicon-Driven Recognition for On-line Handwritten Japanese Disease Names Using a Time-Synchronous Method. | Bilan Zhu, Masaki Nakagawa |
| 2010 | ICFHR | Techniques to Enhance Images for Mokkan Interpretation. | Jun Takakura, Akihito Kitadai, Masaki Nakagawa, Hajime Baba, Akihiro Watanabe |
| 2010 | ICFHR | Error Reduction by Confusing Characters Discrimination for Online Handwritten Japanese Character Recognition. | Xiang-Dong Zhou, Da-Han Wang, Masaki Nakagawa, Cheng-Lin Liu |
| 2009 | HCI | Designing a Peer Reviewing Tool on Lecture Video with Handwritten Annotation. | Hironori Egi, Shotaro Houri, Yukari Kato, Tatsuya Terada, Wataru Tsukahara, Masaki Nakagawa |
| 2009 | HCI | Evaluation of a Functional Film Attached on Top of a Tablet PC. | Yugo Kobayashi, Tatsuya Terada, Toshiyuki Kondo, Masaki Nakagawa |
| 2009 | ICALT | FD Commons: E-Teaching Portfolio to Enable an Ubiquitous Peer Reviewing Process. | Yukari Kato, Shotaro Houri, Wataru Tsukahara, Hironori Egi, Masaki Nakagawa |
| 2009 | ICDAR | Improvements in Keyword Search Japanese Characters within Handwritten Digital Ink. | Cheng Cheng, Bilan Zhu, Xiaorong Chen, Masaki Nakagawa |
| 2009 | ICDAR | Online Handwritten Japanese Character String Recognition Using Conditional Random Fields. | Xiang-Dong Zhou, Cheng-Lin Liu, Masaki Nakagawa |
| 2009 | ICDAR | Effect of Improved Path Evaluation for On-line Handwritten Japanese Text Recognition. | Bilan Zhu, Xiang-Dong Zhou, Cheng-Lin Liu, Masaki Nakagawa |
| 2008 | DAS | Document Image Retrieval to Support Reading Mokkans. | Akihito Kitadai, Jun Takakura, Masatoshi Ishikawa, Masaki Nakagawa, Hajime Baba, Akihiro Watanabe |
| 2007 | HCI | A Japanese Text Input Interface Using On-Line Writing-Box-Free Handwriting Recognition and Kana-to-Kanji Conversion. | Takeshi Sakurada, Yoichi Hagiwara, Hideto Oda, Masaki Nakagawa |
| 2007 | ICALT | A Web-based Visual Simulator with Communication Support and its Application to Computer Architecture Education. | Yoshiro Imai, Keiichi Kaneko, Masaki Nakagawa |
| 2007 | ICALT | A Scoring Tool for Electronic Paper Exams. | Narcs Lozano, Koichi Hirosawa, Masaki Nakagawa |
| 2007 | ICDAR | A Visualization Tool to Improve the Performance of a Classifier Based on Hidden Markov Models. | Gleidson Pegoretti da Silva, Masaki Nakagawa |
| 2006 | DAS | Segmentation of On-Line Handwritten Japanese Text Using SVM for Improving Text Recognition. | Bilan Zhu, Junko Tokuno, Masaki Nakagawa |
| 2006 | ICPR | Pen-Coordinate Information Modeling by SCPR-based HMM for On-line Japanese Handwriting Recognition. | Junko Tokuno, Yiping Yang, Gleidson Pegoretti da Silva, Akihito Kitadai, Masaki Nakagawa |
| 2006 | ICPR | Layered Search Spaces for Accelerating Large Set Character Recognition. | Yiping Yang, Masaki Nakagawa |
| 2005 | ICDAR | Support System for Archeologists to Read Scripts on Mokkans. | Akihito Kitadai, Kei Saito, Daisuke Hachiya, Masaki Nakagawa |
| 2005 | ICDAR | Segmentation of On-line Handwritten Japanese Text of Arbitrary Line Direction by a Neural Network for Improving Text Recognition. | Bilan Zhu, Masaki Nakagawa |
| 2004 | ICFHR | Pattern recognition by distributed coding: test and analysis of the power space similarity method. | Takao Kobayashi, Masaki Nakagawa |
| 2004 | ICFHR | A search method for on-line handwritten text employing writing-box-free handwriting recognition. | Hideto Oda, Akihito Kitadai, Motoki Onuma, Masaki Nakagawa |
| 2004 | ICFHR | Improving the structuring search space method for accelerating large set character recognition. | Yiping Yang, Masaki Nakagawa |
| 2004 | ICPR | A Formalization of On-line Handwritten Japanese Text Recognition free from Line Direction Constraint. | Masaki Nakagawa, Bilan Zhu, Motoki Onuma |
| 2003 | DocEng | Information encoding into and decoding from dot texture for active forms. | Bilan Zhu, Masaki Nakagawa |
| 2003 | EJC | On Modeling Conceptual and Narrative Structure of Fairytales. | Shinya Kawakami, Yoko Sato, Masaki Nakagawa, Bipin Indurkhya |
| 2003 | ICDAR | The Callpaper Concept: Turning Paper into Computer Terminals. | Stefan Jger, Masaki Nakagawa |
| 2003 | ICDAR | On-line Handwritten Japanese Text Recognition free from Constrains on Line Direction and Character Orientation. | Masaki Nakagawa, Motoki Onuma |
| 2003 | ICDAR | A Prototype of an Active Form System. | Taro Shimamura, Bilan Zhu, Atsushi Masuda, Motoki Onuma, Takeshi Sakurada, Masaki Nakagawa, Yasushi Kuronuma |
| 2003 | ICDAR | Enhancing Efficiency and Speed of an Off-line Classifier Employed for On-line Handwriting Recognition of a Large Character Set. | Ondrej Velek, Masaki Nakagawa |
| 2003 | ICDAR | Accelerating Large Character Set Recognition using Pivots. | Yiping Yang, Ondrej Velek, Masaki Nakagawa |
| 2002 | DAS | The Impact of Large Training Sets on the Recognition Rate of Offline Japanese Kanji Character Classifiers. | Ondrej Velek, Masaki Nakagawa |
| 2002 | DAS | Using Stroke-Number-Characteristics for Improving Efficiency of Combined Online and Offline Japanese Character Classifiers. | Ondrej Velek, Masaki Nakagawa |
| 2002 | ICFHR | Comparing on-line recognition of Japanese and western script in preparation for recognizing multi-language documents. | Stefan Jger, Masaki Nakagawa, Cheng-Lin Liu |
| 2002 | ICFHR | A learning algorithm for structured character pattern representation used in online recognition of handwritten Japanese characters. | Akihito Kitadai, Masaki Nakagawa |
| 2002 | ICFHR | A new warping technique for normalizing likelihood of multiple classifiers and its effectiveness in combined on-line/off-line japanese character recognition. | Ondrej Velek, Stefan Jger, Masaki Nakagawa |
| 2002 | ICPR | An Improved Approach to Generating Realistic Kanji Character Images from On-Line Characters and its Benefit to Off-Line Recognition Performance. | Ondrej Velek, Cheng-Lin Liu, Stefan Jger, Masaki Nakagawa |
| 2001 | ICDAR | Two On-Line Japanese Character Databases in Unipen Format. | Stefan Jger, Masaki Nakagawa |
| 2001 | ICDAR | Collection and Analysis of On-line Handwritten Japanese Character Patterns. | Kaoru Matsumoto, Takahiro Fukushima, Masaki Nakagawa |
| 2001 | ICDAR | Generating Realistic Kanji Character Images from On-Line Patterns. | Ondrej Velek, Masaki Nakagawa, Cheng-Lin Liu |
| 2000 | ICPR | On-Line Writing-Box-Free Recognition of Handwritten Japanese Text Considering Character Size Variations. | Takahiro Fukushima, Masaki Nakagawa |
| 1999 | CHI | A revised human interface and educational applications on ideaboard. | Masaki Nakagawa, Koichiro Hotta, Hirokazu Bandou, Tsuyoshi Oguni, Naoki Kato, Shin-ichi Sawada |
| 1999 | HCI | A Paper Based User Interface for Editing Documents. | Yoji Maeda, Masaki Nakagawa |
| 1999 | HCI | Extension of the IdeaBoard for Educational Applications. | Takeshi Sakurada, Hirokazu Bandoh, Masaki Nakagawa |
| 1999 | ICDAR | Handwritten Numeral Recognition using Neural Networks: Improving the Accuracy by Discriminative Training. | Cheng-Lin Liu, Masaki Nakagawa |
| 1999 | ICDAR | Prototype Learning Algorithms for Nearest Neighbor Classifier with Application to Handwritten Character Recognition. | Cheng-Lin Liu, Masaki Nakagawa |
| 1999 | ICDAR | Relaxation-based Pattern Matching using Automatic Differentiation for Off-line Character Recognition. | Takeshi Nagasaki, Tadashi Yanagida, Masaki Nakagawa |
| 1999 | ICDAR | An Off-line Character Recognition Method Employing Model-dependent Pattern Normalization by an Elastic Membrane Model. | Masaki Nakagawa, Tadashi Yanagida, Takeshi Nagasaki |
| 1999 | ICDAR | Hybrid Pen-Input Character Recognition System based on Integration of Online-Offline Recognition. | Hiroshi Tanaka, Kenji Nakajima, Kazushi Ishigaki, Katsuhiko Akiyama, Masaki Nakagawa |
| 1997 | HCI | Enhancing Handwriting Interfaces. | Masaki Nakagawa |
| 1997 | HCI | Form Input System by Pen Interface. | Yukiko Nishimura, Masaki Nakagawa |
| 1997 | HCI | Idea Memo PDA in Scalable Handwriting Interfaces. | Kaori Oomika, Atsushi Naito, Masaki Nakagawa |
| 1997 | HCI | Prototyping of Digital Ink E-Mail System Based on a Common Ink Format. | Hiroshi Tanaka, Naoki Kato, Masaki Nakagawa |
| 1997 | ICDAR | The Behavior of Dynamic Relaxation in an Elastic Stroke Model for Character Recognition. | Takeshi Nagasaki, Takayoshi Yamamoto, Masaki Nakagawa |
| 1997 | ICDAR | On-line Handwritten Character Pattern Database Sampled in a Sequence of Sentences without any Writing Instructions. | Masaki Nakagawa, Takao Higashiyama, Yukiko Yamanaka, Shin-ichi Sawada, Levan Higashigawa, Katsuhiko Akiyama |
| 1997 | Interact | Human Interface and Applications on IdeaBoard. | Masaki Nakagawa, Tsuyoshi Oguni, Takashi Yoshino |
| 1997 | Interact | Demonstration of the IdeaBoard Interface and Applications. | Tsuyoshi Oguni, Takashi Yoshino, Masaki Nakagawa |
| 1996 | ICPR | Robust and highly customizable recognition of online handwritten Japanese characters. | Masaki Nakagawa, Katsuhiko Akiyama, Le Van Tu, Akitsugu Homma, Takao Higashiyama |
| 1996 | SSPR | Structural Learning of Character Patterns for On-Line Recognition of Hand-Written Japanese Characters. | Masaki Nakagawa, Tu Van Le |
| 1993 | CHI | Lazy recognition as a principle of pen interfaces. | Masaki Nakagawa, Kimiyoshi Machii, Naoki Kato, Toshio Souya |
| 1993 | HCI | Pen-Based Interfaces for Drawing Figures with 'Stationery Metaphors'. | Masaki Nakagawa, Shinya Kazama, Takashi Satou, Natsuko Fukuda |
| 1993 | ICDAR | On-line text/drawings segmentation of handwritten patterns. | Kimiyoshi Machii, Hidehiro Fukushima, Masaki Nakagawa |
| 1993 | ICDAR | Principles of pen interface design for creative work. | Masaki Nakagawa, Naoki Kato, Kimiyoshi Machii, Toshio Souya |
| 1993 | ICDAR | The feasibility of a parallel processing oriented character recognition method based on a dynamic model. | Rodney G. Webster, Masaki Nakagawa |
| 1991 | COMPSAC | Programming in a mother tongue: philosophy, implementation, practice and effect. | Toshio Souya, Eiichi Hayakawa, Masayuki Honma, Hidehiro Fukushima, Mitaro Namiki, Nobumasa Takahashi, Masaki Nakagawa |
| 1990 | IROS | Memory-based control for recognition of motion environment and planning of effective locomotion. | Sadao Kawamura, Masaki Nakagawa |