Masayuki Okamoto

According to our database, Masayuki Okamoto authored at least 51 papers between 1978 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Editor's Message to Special Issue of Collaboration Technologies and Network Services to Support the New Normal Era.

Masayuki Okamoto

J. Inf. Process., 2023

2021

A Practical Control Strategy for Hybrid Static Var Compensator.

Yuta Ohori, Hiroaki Yamada, Fuka Ikeda, Masayuki Okamoto, Toshihiko Tanaka

Proceedings of the 20th International Symposium on Communications and Information Technologies, 2021

2017

Applying Information Extraction for Patent Structure Analysis.

Masayuki Okamoto, Zifei Shan, Ryohei Orihara

Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2017

Company Relation Extraction from Web News Articles for Analyzing Industry Structure.

Ayana Yamamoto, Yuichi Miyamura, Kouta Nakata, Masayuki Okamoto

Proceedings of the 11th IEEE International Conference on Semantic Computing, 2017

Reducing capacitances of DC capacitors in smart charger for electric vehicles in single-phase three-wire distribution feeders with sinusoidal charging and discharging for Li-ion batteries.

Yuki Okamoto, Fuka Ikeda, Kei Nishikawa, Hiroaki Yamada, Toshihiko Tanaka, Masayuki Okamoto

Proceedings of the IEEE 6th Global Conference on Consumer Electronics, 2017

2016

Effect of Press Slide Speed and Stroke on Cup Forming Using a Plain-Woven Carbon Fiber Thermoplastic Composite Sheet.

Takeshi Yoneyama, Daichi Tatsuno, Kiichiro Kawamoto, Masayuki Okamoto

Int. J. Autom. Technol., 2016

2015

Improving GPS-based indoor-outdoor detection with moving direction information from smartphone.

Masayuki Okamoto, Cheng Chen

Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers, 2015

2014

13.56-MHz Class-E RF power amplifier using normally-on GaN HEMT.

Masayuki Okamoto, Toshihiko Tanaka, Koyo Matuzaki, Tamotsu Hashizume, Hiroaki Yamada

Proceedings of the IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society, Dallas, TX, USA, October 29, 2014

Topic-by-Topic Activity Estimation for Knowledge Work Lifelog.

Masayuki Okamoto

Proceedings of the Collaboration Technologies and Social Computing, 2014

2013

An OCR System with OCRopus for Scientific Documents Containing Mathematical Formulas.

Fumihiro Furukori, Shinpei Yamazaki, T. Miyagishi, Keiichiro Shirai, Masayuki Okamoto

Proceedings of the 12th International Conference on Document Analysis and Recognition, 2013

2012

Performance analysis for high-frequency link AC-AC contact-less power supply system in parking tower.

Shingo Kawano, Eiji Hiraki, Toshihiko Tanaka, Masayuki Okamoto

Proceedings of the 38th Annual Conference on IEEE Industrial Electronics Society, 2012

The practical evaluations of time-sharing high-frequency resonant soft-switching inverter for all metal IH cooking appliances.

Takayuki Hirokawa, Eiji Hiraki, Toshihiko Tanaka, Masayuki Okamoto, Mutsuo Nakaoka

Proceedings of the 38th Annual Conference on IEEE Industrial Electronics Society, 2012

Removal of Background Patterns and Signatures for Magnetic Ink Character Recognition of Checks.

Keiichiro Shirai, Masashi Akita, Masayuki Okamoto, Kazuya Tanikawa, Takaaki Akiyama, Tetsuji Sakaguchi

Proceedings of the 10th IAPR International Workshop on Document Analysis Systems, 2012

Flicker and black-streak artifact removal from images of display monitors taken by video cameras.

Kotaro Nakazawa, Keiichiro Shirai, Masayuki Okamoto, Toshio Koga

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2012

Local Covariance Filtering for Color Images.

Keiichiro Shirai, Masahiro Okuda, Takao Jinno, Masayuki Okamoto, Masaaki Ikehara

Proceedings of the Computer Vision, 2012

2011

Semi-automatic Evaluation System for Supporting Term Extraction Application Development.

Masayuki Okamoto, Masaaki Kikuchi, Nayuko Watanabe, Takayuki Iida, Kenta Sasaki, Masanori Hattori

Proceedings of the 5th IEEE International Conference on Semantic Computing (ICSC 2011), 2011

Extracting preference terms from web browsing histories excluding pages unrelated to users' interests.

Kenta Sasaki, Masayuki Okamoto, Nayuko Watanabe, Masaaki Kikuchi, Takayuki Iida, Masanori Hattori

Proceedings of the 2011 ACM Symposium on Applied Computing (SAC), TaiChung, Taiwan, March 21, 2011

Designing Mobile Search Interface with Query Term Extraction.

Nayuko Watanabe, Masayuki Okamoto, Masaaki Kikuchi, Takayuki Iida, Kenta Sasaki, Kensuke Horiuchi, Masanori Hattori

Proceedings of the Knowledge-Based and Intelligent Information and Engineering Systems, 2011

Noiseless no-flash photo creation by color transform of flash image.

Keiichiro Shirai, Masayuki Okamoto, Masaaki Ikehara

Proceedings of the 18th IEEE International Conference on Image Processing, 2011

Embedding a Mathematical OCR Module into OCRopus.

Shinpei Yamazaki, Fumihiro Furukori, Qinzheng Zhao, Keiichiro Shirai, Masayuki Okamoto

Proceedings of the 2011 International Conference on Document Analysis and Recognition, 2011

Annotating knowledge work lifelog: term extraction from sensor and operation history.

Masayuki Okamoto, Nayuko Watanabe, Shinichi Nagano, Kenta Cho

Proceedings of the 20th ACM Conference on Information and Knowledge Management, 2011

Identification of driver operations with extraction of driving primitives.

Masayuki Okamoto, Shunsuke Otani, Yasumasa Kaitani, Kenko Uchida

Proceedings of the IEEE International Conference on Control Applications, 2011

2010

First query term extraction from current webpage for mobile applications.

Masayuki Okamoto, Nayuko Watanabe, Masaaki Kikuchi, Takayuki Iida, Kenta Sasaki, Kensuke Horiuchi, Tomohiro Yamasaki, Sumi Omura, Masanori Hattori

Proceedings of the 9th International Conference on Mobile and Ubiquitous Multimedia, 2010

Automobile On-demand Gear-shift Control Including Driver Characteristics.

Masayuki Okamoto, Shigeru Morimoto, Masataka Ohashi, Kenko Uchida

Proceedings of the IEEE International Conference on Control Applications, 2010

2009

Discovering Volatile Events in Your Neighborhood: Local-Area Topic Extraction from Blog Entries.

Masayuki Okamoto, Masaaki Kikuchi

Proceedings of the Information Retrieval Technology, 2009

2008

One-button search extracts wider interests: an empirical study with video bookmarking search.

Masayuki Okamoto, Masaaki Kikuchi, Tomohiro Yamasaki

Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2008

Ontology-based WOM extraction service from weblogs.

Takahiro Kawamura, Shinichi Nagano, Yumiko Mizoguchi, Masumi Inaba, Tomohiro Yamasaki, Masayuki Okamoto

Proceedings of the 2008 ACM Symposium on Applied Computing (SAC), 2008

Finding two-level interpersonal context: proximity and conversation detection from personal audio feature data.

Masayuki Okamoto, Naoki Iketani, Keisuke Nishimura, Masaaki Kikuchi, Kenta Cho, Masanori Hattori, Sougo Tsuboi

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

A Study for High Performance Character Extraction from Color Scene Images.

Keiichiro Shirai, Masanori Wakabayashi, Masayuki Okamoto, Hiroaki Yamamoto

Proceedings of the Eighth IAPR International Workshop on Document Analysis Systems, 2008

2007

Implementation and evaluation of context-aware agent framework.

Tomohiro Yamasaki, Kenta Cho, Masayuki Okamoto, Yuzo Okamoto, Masanori Hattori

Syst. Comput. Jpn., 2007

Bit-Parallel Algorithms for Translating Regular Expressions into NFAs.

Hiroaki Yamamoto, Takashi Miyazaki, Masayuki Okamoto

IEICE Trans. Inf. Syst., 2007

Toward Video Bookmarking Search: Search-Target Inference from TVWatching.

Masayuki Okamoto, Hideo Umeki

Proceedings of the First IEEE International Conference on Semantic Computing (ICSC 2007), 2007

2006

Implementation of Telematics Services with Context-Aware Agent Framework.

Kenta Cho, Yuzo Okamoto, Tomohiro Yamasaki, Masayuki Okamoto, Masanori Hattori, Akihiko Ohsuga

Proceedings of the Ubiquitous Computing Systems, Third International Symposium, 2006

Performance Evaluation of a Mathematical Formula Recognition System with a large scale of printed formula images.

Kazuki Ashida, Masayuki Okamoto, Hiroki Imai, Tsubasa Nakatsuka

Proceedings of the Second International Workshop on Document Image Analysis for Libraries (DIAL 2006), 2006

2005

ICDAR 2003 robust reading competitions: entries, results, and future directions.

Simon M. Lucas, Alex Panaretos, Luis Sosa, Anthony Tang, Shirley Wong, Robert Young, Kazuki Ashida, Hiroki Nagai, Masayuki Okamoto, Hiroaki Yamamoto, Hidetoshi Miyao, JunMin Zhu, WuWen Ou, Christian Wolf, Jean-Michel Jolion, Leon Todoran, Marcel Worring, Xiaofan Lin

Int. J. Document Anal. Recognit., 2005

User-model-based adaptability evaluation for context-aware systems.

Masayuki Okamoto, Kenta Cho, Yuzo Okamoto, Tomohiro Yamasaki, Masanori Hattori

Proceedings of the International Conference on Pervasive Services 2005, 2005

2004

Gradual probabilistic DFA learning with caching for conversational agents.

Masayuki Okamoto

Syst. Comput. Jpn., 2004

Stave Extraction for Printed Music Scores Using DP Matching.

Hidetoshi Miyao, Masayuki Okamoto

J. Adv. Comput. Intell. Intell. Informatics, 2004

2002

Supporting Cross-Cultural Communication with a Large-Screen System.

Masayuki Okamoto, Katherine Isbister, Hideyuki Nakanishi, Toru Ishida

New Gener. Comput., 2002

2001

Performance Evaluation of a Robust Method for Mathematical Expression Recognition.

Masayuki Okamoto, Hiroki Imai, Kazuhiko Takagi

Proceedings of the 6th International Conference on Document Analysis and Recognition (ICDAR 2001), 2001

Wizard of Oz Method for Learning Dialog Agents.

Masayuki Okamoto, Yeonsoo Yang, Toru Ishida

Proceedings of the Cooperative Information Agents V, 5th International Workshop, 2001

2000

Color quantization using the fast K-means algorithm.

Hideo Kasuga, Hiroaki Yamamoto, Masayuki Okamoto

Syst. Comput. Jpn., 2000

Extraction of characters from color documents.

Hideo Kasuga, Masayuki Okamoto, Hiroaki Yamamoto

Proceedings of the Document Recognition and Retrieval VII, 2000

1999

Supporting cross-cultural communication in real-world encounters.

Masayuki Okamoto, Hideyuki Nakanishi, Katherine Isbister, Toru Ishida

Proceedings of the Human-Computer Interaction: Communication, 1999

Digital City Kyoto: Towards a Social Information Infrastructure.

Toru Ishida, Jun-ichi Akahani, Kaoru Hiramatsu, Katherine Isbister, Stefan Lisowski, Hideyuki Nakanishi, Masayuki Okamoto, Yasuhiko Miyazaki, Ken Tsutsuguchi

Proceedings of the Cooperative Information Agents III, Third International Workshop, 1999

1998

Silhouettell: Awareness Support for Real-World Encounter.

Masayuki Okamoto, Hideyuki Nakanishi, Toshikazu Nishimura, Toru Ishida

Proceedings of the Community Computing and Support Systems, 1998

Segmentation of Touching Characters in Formulas.

Masayuki Okamoto, Syougo Sakaguchi, Tadashi Suzuki

Proceedings of the Document Analysis Systems: Theory and Practice, Third IAPR Workshop, 1998

1995

Structure analysis and recognition of mathematical expressions.

Hashim M. Twaakyondo, Masayuki Okamoto

Proceedings of the Third International Conference on Document Analysis and Recognition, 1995

1993

A hybrid page segmentation method.

Masayuki Okamoto, Makoto Takahashi

Proceedings of the 2nd International Conference Document Analysis and Recognition, 1993

1987

Algorithms of magnifying/reducing, rotation and border following using segmented block code.

Masayuki Okamoto, Nobuo Takahashi, Kouichi Kawata

Syst. Comput. Jpn., 1987

1978

Characterization of the Structure-Generating Functions of Regular Sets and the DOL Growth Functions

Takuya Katayama, Masayuki Okamoto, Hajime Enomoto

Inf. Control., January, 1978