年別の研究成果
年別の研究成果
- 42 件
検索結果
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2022
AI-Based W-Band Suspicious Object Detection System for Moving Persons: Two-Stage Walkthrough Configuration and Recognition Optimization
Wen, Z., Yu, K., Qi, X., Sato, T., Myint, S. H., Tamesue, K., Katsuyama, Y., Dobashi, H., Murakami, Y., Koyama, I., Tokuda, K., Kameyama, W. & Sato, T., 2022, In: Wireless Communications and Mobile Computing. 2022, 3690403.研究成果: Article › 査読
Open Access1 被引用数 (Scopus) -
Design and Implementation of Ledger-Based Points Transfer System for IoT Devices in LPWAN
Qi, X., Yu, K., Sato, T., Shibata, K., Konno, I., Tokutake, T., Eguchi, R., Maruyama, Y., Wen, Z., Tamesue, K., Katsuyama, Y., Sako, K. & Sato, T., 2022, In: Wireless Communications and Mobile Computing. 2022, 3027978.研究成果: Article › 査読
Open Access -
Evaluation on a Method of Detecting Suspicious Objects Using Time-series Images Taken by Passive and Active Imagers of W-band Radar
Saito, E., Kameyama, W., Sato, T., Katsuyama, Y. & Sato, T., 2022, GCCE 2022 - 2022 IEEE 11th Global Conference on Consumer Electronics. Institute of Electrical and Electronics Engineers Inc., p. 521-522 2 p. (GCCE 2022 - 2022 IEEE 11th Global Conference on Consumer Electronics).研究成果: Conference contribution
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2021
Blockchain-empowered contact tracing for COVID-19 using crypto-spatiotemporal information
Wen, Z., Yu, K., Qi, X., Sato, T., Katsuyama, Y., Sato, T., Kameyama, W., Kato, F., Cao, Y., Yoshikawa, M., Luo, M. & Hashimoto, J., 2021 3月 1, 2020 IEEE International Conference on E-Health Networking, Application and Services, HEALTHCOM 2020. Institute of Electrical and Electronics Engineers Inc., 9398978. (2020 IEEE International Conference on E-Health Networking, Application and Services, HEALTHCOM 2020).研究成果: Conference contribution
Open Access5 被引用数 (Scopus) -
Congestion-aware suspicious object detection system using information-centric networking
Qi, X., Sato, T., Yu, K., Wen, Z., Myint, S. H., Katsuyama, Y., Tokuda, K. & Sato, T., 2021 1月 9, 2021 IEEE 18th Annual Consumer Communications and Networking Conference, CCNC 2021. Institute of Electrical and Electronics Engineers Inc., 9369510. (2021 IEEE 18th Annual Consumer Communications and Networking Conference, CCNC 2021).研究成果: Conference contribution
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Content-oriented Multicamera Trajectory Forecasting Surveillance Network System
Qi, X., Sato, T., Yu, K., Myint, S. H., Katsuyama, Y., Tamesue, K., Tokuda, K., Wen, Z. & Sato, T., 2021 8月 17, ICUFN 2021 - 2021 12th International Conference on Ubiquitous and Future Networks. IEEE Computer Society, p. 17-22 6 p. (International Conference on Ubiquitous and Future Networks, ICUFN; vol. 2021-August).研究成果: Conference contribution
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Deep Learning Based Concealed Object Recognition in Active Millimeter Wave Imaging
Myint, S. H., Katsuyama, Y., Sato, T., Qi, X., Tamesue, K., Wen, Z., Yu, K., Tokuda, K. & Sato, T., 2021, 2021 IEEE Asia-Pacific Microwave Conference, APMC 2021. Institute of Electrical and Electronics Engineers Inc., p. 434-436 3 p. (Asia-Pacific Microwave Conference Proceedings, APMC; vol. 2021-November).研究成果: Conference contribution
2 被引用数 (Scopus) -
Ledger-based Points Transfer System in LPWAN: From Disaster Management Aspect
Qi, X., Yu, K., Sato, T., Shibata, K., Brigham, E., Tokutake, T., Eguchi, R., Maruyama, Y., Wen, Z., Tamesue, K., Katsuyama, Y., Sako, K. & Sato, T., 2021, 2021 International Conference on Information and Communication Technologies for Disaster Management, ICT-DM 2021. Institute of Electrical and Electronics Engineers Inc., p. 150-155 6 p. (2021 International Conference on Information and Communication Technologies for Disaster Management, ICT-DM 2021).研究成果: Conference contribution
1 被引用数 (Scopus) -
Optimizing Packet Transmission for Ledger-Based Points Transfer System in LPWAN: Solutions, Evaluation and Standardization
Qi, X., Yu, K., Sato, T., Shibata, K., Brigham, E., Tokutake, T., Eguchi, R., Maruyama, Y., Wen, Z., Tamesue, K., Katsuyama, Y., Sako, K. & Sato, T., 2021, 2021 ITU Kaleidoscope: Connecting Physical and Virtual Worlds, ITU K 2021. Institute of Electrical and Electronics Engineers Inc., (2021 ITU Kaleidoscope: Connecting Physical and Virtual Worlds, ITU K 2021).研究成果: Conference contribution
1 被引用数 (Scopus) -
Position estimation of pedestrians in surveillance video using face detection and simple camera calibration
Sato, T., Qi, X., Yu, K., Wen, Z., Katsuyama, Y. & Sato, T., 2021 7月 25, Proceedings of MVA 2021 - 17th International Conference on Machine Vision Applications. Institute of Electrical and Electronics Engineers Inc., 9511348. (Proceedings of MVA 2021 - 17th International Conference on Machine Vision Applications).研究成果: Conference contribution
1 被引用数 (Scopus) -
2020
AI-Based W-Band Suspicious Object Detection System for Moving Persons Using GAN: Solutions, Performance Evaluation and Standardization Activities
Katsuyama, Y., Yu, K., Myint, S. H., Sato, T., Wen, Z. & Qi, X., 2020 12月 7, 2020 ITU Kaleidoscope: Industry-Driven Digital Transformation, ITU K 2020. Institute of Electrical and Electronics Engineers Inc., 9303193. (2020 ITU Kaleidoscope: Industry-Driven Digital Transformation, ITU K 2020).研究成果: Conference contribution
2 被引用数 (Scopus) -
A Lightweight Ledger-Based Points Transfer System for Application-Oriented LPWAN
Yu, K., Shibata, K., Tokutake, T., Eguchi, R., Kondo, T., Maruyama, Y., Qi, X., Wen, Z., Sato, T., Katsuyama, Y., Sako, K. & Sato, T., 2020 12月 11, 2020 IEEE 6th International Conference on Computer and Communications, ICCC 2020. Institute of Electrical and Electronics Engineers Inc., p. 1972-1978 7 p. 9344885. (2020 IEEE 6th International Conference on Computer and Communications, ICCC 2020).研究成果: Conference contribution
4 被引用数 (Scopus) -
Blockchain-based Content-oriented Surveillance Network
Qi, X., Yu, K., Wen, Z., Myint, S. H., Katsuyama, Y., Sato, T., Tokuda, K. & Sato, T., 2020 5月, 2020 IEEE 91st Vehicular Technology Conference, VTC Spring 2020 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 9128532. (IEEE Vehicular Technology Conference; vol. 2020-May).研究成果: Conference contribution
3 被引用数 (Scopus) -
Design and Performance Evaluation of an AI-Based W-Band Suspicious Object Detection System for Moving Persons in the IoT Paradigm
Yu, K., Qi, X., Sato, T., Myint, S. H., Wen, Z., Katsuyama, Y., Tokuda, K., Kameyama, W. & Sato, T., 2020, In: IEEE Access. 8, p. 81378-81393 16 p., 9081933.研究成果: Article › 査読
Open Access13 被引用数 (Scopus) -
Pedestrian positioning in surveillance video using anthropometric properties for effective communication
Sato, T., Qi, X., Yu, K., Wen, Z., Myint, S. H., Katsuyama, Y., Tokuda, K. & Sato, T., 2020 10月 19, WPMC 2020 - 23rd International Symposium on Wireless Personal Multimedia Communications: Bridging Wireless and Business Worlds. IEEE Computer Society, 9309520. (International Symposium on Wireless Personal Multimedia Communications, WPMC; vol. 2020-October).研究成果: Conference contribution
2 被引用数 (Scopus) -
Radiometric Passive Imaging for Robust Concealed Object Identification
Myint, S. H., Katsuyama, Y., Sato, T., Qi, X., Wen, Z., Yu, K., Tokuda, K. & Sato, T., 2020 9月 21, 2020 IEEE Radar Conference, RadarConf 2020. Institute of Electrical and Electronics Engineers Inc., 9266642. (IEEE National Radar Conference - Proceedings; vol. 2020-September).研究成果: Conference contribution
1 被引用数 (Scopus) -
2014
Fast and accurate text detection in natural scene images with user-intention
Wang, L., Fan, W., He, Y., Sun, J., Katsuyama, Y. & Hotta, Y., 2014 12月 4, Proceedings - International Conference on Pattern Recognition. Institute of Electrical and Electronics Engineers Inc., p. 2920-2925 6 p. 6977216. (Proceedings - International Conference on Pattern Recognition).研究成果: Conference contribution
6 被引用数 (Scopus) -
2013
High speed and high accuracy pre-classification method for OCR: Margin added hashing
Katsuyama, Y., Hotta, Y., Omachi, M. & Omachi, S., 2013 9月, In: IEICE Transactions on Information and Systems. E96-D, 9, p. 2087-2095 9 p.研究成果: Article › 査読
Open Access1 被引用数 (Scopus) -
Text detection in natural scene images with user-intention
Wang, L., Katsuyama, Y., Fan, W., He, Y., Sun, J. & Hotta, Y., 2013, 2013 IEEE International Conference on Image Processing, ICIP 2013 - Proceedings. IEEE Computer Society, p. 2256-2259 4 p. 6738465. (2013 IEEE International Conference on Image Processing, ICIP 2013 - Proceedings).研究成果: Conference contribution
1 被引用数 (Scopus) -
2012
A color chart detection method for automatic color correction
Minagawa, A., Katsuyama, Y., Takebe, H. & Hotta, Y., 2012, ICPR 2012 - 21st International Conference on Pattern Recognition. p. 1912-1915 4 p. 6460529. (Proceedings - International Conference on Pattern Recognition).研究成果: Conference contribution
2 被引用数 (Scopus) -
A fast caption detection method for low quality video images
Gui, T., Sun, J., Naoi, S., Katsuyama, Y., Minagawa, A. & Hotta, Y., 2012, Proceedings - 10th IAPR International Workshop on Document Analysis Systems, DAS 2012. p. 302-306 5 p. 6195383. (Proceedings - 10th IAPR International Workshop on Document Analysis Systems, DAS 2012).研究成果: Conference contribution
5 被引用数 (Scopus) -
A study on caption recognition for multi-color characters on complex background
Katsuyama, Y., Minagawa, A., Hotta, Y., Sun, J. & Omachi, S., 2012, Proceedings - 2012 IEEE International Symposium on Multimedia, ISM 2012. p. 401-407 7 p. 6424697. (Proceedings - 2012 IEEE International Symposium on Multimedia, ISM 2012).研究成果: Conference contribution
1 被引用数 (Scopus) -
Hybrid gesture recognition system for short-range use
Minagawa, A., Fan, W., Katsuyama, Y., Takebe, H., Ozawa, N., Hotta, Y. & Sun, J., 2012, Proceedings of SPIE-IS and T Electronic Imaging - Image Processing: Algorithms and Systems X; and Parallel Processing for Imaging Applications II. 82950U. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8295).研究成果: Conference contribution
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2010
A new pre-classification method based on associative matching method
Katsuyama, Y., Minagawa, A., Hotta, Y., Omachi, S. & Kato, N., 2010, Proceedings of SPIE-IS and T Electronic Imaging - Document Recognition and Retrieval XVII. 75340K. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 7534).研究成果: Conference contribution
1 被引用数 (Scopus) -
2009
Text detection in images based on grayscale decomposition and stroke extraction
Fan, W., Sun, J., Katsuyama, Y., Hotta, Y. & Naoi, S., 2009, Proceedings of the 2009 Chinese Conference on Pattern Recognition, CCPR 2009, and the 1st CJK Joint Workshop on Pattern Recognition, CJKPR. p. 921-924 4 p. 5343974. (Proceedings of the 2009 Chinese Conference on Pattern Recognition, CCPR 2009, and the 1st CJK Joint Workshop on Pattern Recognition, CJKPR).研究成果: Conference contribution
4 被引用数 (Scopus) -
2008
Video caption duration extraction
Bai, H., Sun, J., Naoi, S., Katsuyama, Y., Hotta, Y. & Fujimoto, K., 2008, 2008 19th International Conference on Pattern Recognition, ICPR 2008. Institute of Electrical and Electronics Engineers Inc., 4761671. (Proceedings - International Conference on Pattern Recognition).研究成果: Conference contribution
4 被引用数 (Scopus) -
2006
Robust Chinese character recognition by selection of binary-based and grayscale-based classifier
Hotta, Y., Sun, J., Katsuyama, Y. & Naoi, S., 2006, Document Analysis Systems VII - 7th International Workshop, DAS 2006, Proceedings. p. 553-563 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 3872 LNCS).研究成果: Conference contribution
Open Access1 被引用数 (Scopus) -
Treatment of laser pointer and speech information in lecture scene retrieval
Nakano, W., Kobayashi, T., Katsuyama, Y., Naoi, S. & Yokota, H., 2006, ISM 2006 - 8th IEEE International Symposium on Multimedia. p. 927-932 6 p. 4061281. (ISM 2006 - 8th IEEE International Symposium on Multimedia).研究成果: Conference contribution
5 被引用数 (Scopus) -
2005
Camera based degraded text recognition using grayscale feature
Sun, J., Hotta, Y., Katsuyama, Y. & Naoi, S., 2005, Proceedings of the Eighth International Conference on Document Analysis and Recognition. p. 182-186 5 p. 1575534. (Proceedings of the International Conference on Document Analysis and Recognition, ICDAR; vol. 2005).研究成果: Conference contribution
12 被引用数 (Scopus) -
Grayscale feature combination in recognition based segmentation for degraded text string recognition
Sun, J., Hotta, Y., Fujimoto, K., Yutaka, K. & Naoi, S., 2005, p. 39-44. 6 p.研究成果: Paper › 査読
3 被引用数 (Scopus) -
Unified presentation contents retrieval using laser pointer information
Nakano, W., Ochi, Y., Kobayash, T., Katsuyama, Y., Naoi, S. & Yokota, H., 2005, Proceedings - International Workshop on Biomedical Data Engineering, BMDE2005. IEEE Computer Society, p. 1261 1 p. 1647878. (Proceedings - International Workshop on Biomedical Data Engineering, BMDE2005; vol. 2005).研究成果: Conference contribution
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2004
Low resolution character recognition by dual eigenspace and synthetic degraded patterns
Sun, J., Hotta, Y., Katsuyama, Y. & Naoi, S., 2004, HDP 2004: Proceedings of the First ACM Hardcopy Document Processing Workshop. Association for Computing Machinery (ACM), p. 15-22 8 p. (HDP 2004: Proceedings of the First ACM Hardcopy Document Processing Workshop).研究成果: Conference contribution
10 被引用数 (Scopus) -
Slide identification for lecture movies by matching characters and images
Ozawa, N., Takebe, H., Katsuyama, Y., Naoi, S. & Yokota, H., 2004, In: Proceedings of SPIE - The International Society for Optical Engineering. 5296, p. 74-81 8 p.研究成果: Conference article › 査読
5 被引用数 (Scopus) -
Video degradation model and its application to character recognition in e-learning videos
Sun, J., Katsuyama, Y. & Naoi, S., 2004, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Marinai, S. & Dengel, A. (eds.). Springer Verlag, p. 555-558 4 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 3163).研究成果: Chapter
Open Access -
2003
Effective text extraction and recognition for WWW images
Sun, J., Wang, Z., Yu, H., Nishino, F., Katsuyama, Y. & Naoi, S., 2003, Proceedings of the 2003 ACM Symposium on Document Engineering. Association for Computing Machinery (ACM), p. 115-117 3 p. (Proceedings of the 2003 ACM Symposium on Document Engineering).研究成果: Conference contribution
11 被引用数 (Scopus) -
Text Processing Method for E-learning Videos
Sun, J., Katsuyama, Y. & Naoi, S., 2003, 2003 Conference on Computer Vision and Pattern Recognition Workshop, CVPRW 2003. IEEE Computer Society, 4624282. (IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops; vol. 3).研究成果: Conference contribution
1 被引用数 (Scopus) -
2002
A learning pseudo bayes discriminant method based on difference distribution of feature vectors
Takebe, H., Kurokawa, K., Katsuyama, Y. & Naoi, S., 2002, Document Analysis Systems V - 5th International Workshop, DAS 2002, Proceedings. Hu, J., Kashi, R. & Lopresti, D. (eds.). Springer Verlag, p. 134-144 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 2423).研究成果: Conference contribution
1 被引用数 (Scopus) -
Highly accurate retrieval of Japanese document images through a combination of morphological analysis and OCR
Katsuyama, Y., Takebe, H., Kurokawa, K., Saitoh, T. & Naoi, S., 2002, In: Proceedings of SPIE - The International Society for Optical Engineering. 4670, p. 57-67 11 p.研究成果: Conference article › 査読
7 被引用数 (Scopus) -
1999
Character string extraction from newspaper headlines with a background design by recognizing a combination of connected components
Takebe, H., Katsuyama, Y. & Naoi, S., 1999, In: Proceedings of SPIE - The International Society for Optical Engineering. 3651, p. 22-29 8 p.研究成果: Conference article › 査読
2 被引用数 (Scopus) -
1997
Fast title extraction method for business documents
Katsuyama, Y. & Naoi, S., 1997, Proceedings of SPIE - The International Society for Optical Engineering. Society of Photo-Optical Instrumentation Engineers, p. 192-201 10 p. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 3027).研究成果: Conference contribution
1 被引用数 (Scopus) -
1994
SEIUN — a fast and intelligent character recognition system
Aso, H., Omachi, SI., Kimura, M. & Katsuyama, Y., 1994, In: Systems and Computers in Japan. 25, 3, p. 18-29 12 p.研究成果: Article › 査読
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1988
Rough classification of handwritten characters by divide‐and‐unify method
Ejima, T., Katsuyama, Y. & Kimura, M., 1988 2月, In: Systems and Computers in Japan. 19, 2, p. 42-50 9 p.研究成果: Article › 査読
1 被引用数 (Scopus)