Akira Takahashi

Kazuhisa Yamagishi, Jun Okamoto, Takanori Hayashi, Akira Takahashi: No Reference Video-Quality-Assessment Model for Monitoring Video Quality of IPTV Services. IEICE Transactions 95-B(2): 435-448 (2012)

Paul Coverdale, Sebastian Möller, Alexander Raake, Akira Takahashi: Multimedia Quality Assessment Standards in ITU-T SG12. IEEE Signal Process. Mag. 28(6): 91-97 (2011)

Noritsugu Egi, Takanori Hayashi, Akira Takahashi: The proposal of quantification method of speaker identification accuracy for speech communication service. ICASSP 2011: 2424-2427

Hiroyuki Mori, Akira Takahashi: Hybrid intelligent system for daily maximum temperature forecasting in smart grids. ISCAS 2011: 1852-1855

Sebastian Möller, Nicolas Côté, Valérie Gautier-Turbin, Nobuhiko Kitawaki, Akira Takahashi: Instrumental Estimation of E-Model Parameters for Wideband Speech Codecs. EURASIP J. Audio, Speech and Music Processing 2010 (2010)

Noritsugu Egi, Takanori Hayashi, Akira Takahashi: Parametric Packet-Layer Model for Evaluation Audio Quality in Multimedia Streaming Services. IEICE Transactions 93-B(6): 1359-1366 (2010)

Akira Takahashi, Masashi Tatedoko, Toshiyuki Shimizu, Hiroko Kinutani, Masatoshi Yoshikawa: Metadata Management for Integration and Analysis of Earth Observation Data. JSW 5(2): 168-178 (2010)

Akira Takahashi, Atsuhiro Takasu, Jun Adachi: Language Model Combination for Community-based Q & A Retrieval. ICTAI (2) 2010: 241-248

Masaki Tanaka, Michiya Takemoto, Akira Takahashi, Kiyoshi Shimokasa: Dynamic Bandwidth Allocation Algorithm with Fairness in 1G/10G Coexistence EPON System. IEICE Transactions 92-B(3): 819-827 (2009)

Hiroaki Mukai, Yoshifumi Hotta, Tetsuya Yokotani, Akira Takahashi, Kiyoshi Shimokasa: PON with Automatic Protection switching for high reliable communication. Optical Switching and Networking 6(3): 163-170 (2009)

Akira Takahashi, Masashi Tatedoko, Hiroko Kinutani, Masatoshi Yoshikawa: Metadata management for integration and analysis of earth observation data. ICUIMC 2009: 123-130

Sebastian Möller, Nicolas Côté, Atsuko Kurashima, Noritsugu Egi, Akira Takahashi: Quantifying wideband speech codec degradations via impairment factors: the new ITU-t p.834.1 methodology and its application to the g.711.1 codec. INTERSPEECH 2009: 2563-2566

Noritsugu Egi, Hitoshi Aoki, Akira Takahashi: Objective Quality Evaluation Method for Noise-Reduced Speech. IEICE Transactions 91-B(5): 1279-1286 (2008)

Keishiro Watanabe, Kazuhisa Yamagishi, Jun Okamoto, Akira Takahashi: Proposal of new QoE assessment approach for quality management of IPTV services. ICIP 2008: 2060-2063

Akira Takahashi, Noritsugu Egi, Atsuko Kurashima: QoE Estimation Method for Interconnected VoIP Networks Employing Different Codecs. IEICE Transactions 90-B(12): 3572-3578 (2007)

Mirei Mori, Akiko Hamamoto, Akira Takahashi, Masayuki Nakano, Noriko Wakikawa, Satoko Tachibana, Toshitaka Ikehara, Yutaka Nakaya, Masatake Akutagawa, Yohsuke Kinouchi: Development of a new water sterilization device with a 365 nm UV-LED. Med. Biol. Engineering and Computing 45(12): 1237-1241 (2007)

Hideki Komagata, Ikuo Ishii, Akira Takahashi, Daisuke Wakatsuki, Hiroei Imai: A geometric method for calibration of internal camera parameters of fish-eye lenses. Systems and Computers in Japan 38(12): 55-65 (2007)

Takanori Hayashi, Kazuhisa Yamagishi, Toshiko Tominaga, Akira Takahashi: Multimedia Quality Integration Function forVideophone Services. GLOBECOM 2007: 2735-2739

Akira Takahashi, Yoshitaka Takahashi, Shigeru Kaneda, Noriteru Shinagawa: Diffusion Approximations for the GI/G/c/K queue. ICCCN 2007: 681-686

Daisuke Wakatsuki, Ikuo Ishii, Akira Takahashi: A Shape Resolution Control of Textured Object Applying Tolerance Caused by Movement. IEICE Transactions 89-D(1): 28-36 (2006)

Takanori Hayashi, Ginga Kawaguti, Jun Okamoto, Akira Takahashi: Subjective Quality Estimation Model for Video Streaming Services with Dynamic Bit-Rate Control. IEICE Transactions 89-B(2): 297-303 (2006)

Sebastian Möller, Alexander Raake, Nobuhiko Kitawaki, Akira Takahashi, Marcel Wältermann: Impairment Factor Framework for Wide-Band Speech Codecs. IEEE Transactions on Audio, Speech & Language Processing 14(6): 1969-1976 (2006)

Akira Takahashi, Atsuko Kurashima, Hideaki Yoshino: Objective Assessment Methodology for Estimating Conversational Quality in VoIP. IEEE Transactions on Audio, Speech & Language Processing 14(6): 1984-1993 (2006)

Hitoshi Aoki, Atsuko Kurashima, Akira Takahashi: Conversational quality estimation model for wideband IP-telephony services. INTERSPEECH 2006

Akira Takahashi, Ryouichi Nishimura, Yôiti Suzuki: Multiple watermarks for stereo audio signals using phase-modulation techniques. IEEE Transactions on Signal Processing 53(2-2): 806-815 (2005)

Akira Takahashi, Yoshitaka Takahashi, Shigeru Kaneda, Yoshikazu Akinaga, Noriteru Shinagawa: The robustness of blocking probability in a loss system with repeated customers. ICETE 2005: 61-66

Akira Takahashi, Atsuko Kurashima, Chiharu Morioka, Hideaki Yoshino: Objective quality assessment of wideband speech by an extension of ITU-t recommendation p.862. INTERSPEECH 2005: 3153-3156

Hisashi Sano, Toshio Inoue, Akira Takahashi, Kenichi Terai, Yoshio Nakamura: Active control system for low-frequency road noise combined with an audio system. IEEE Transactions on Speech and Audio Processing 9(7): 755-763 (2001)

Akira Takahashi, Ikuo Ishii, Hideo Makino, Makoto Nakashizuka: 3D structure from multiple images and estimation of error distribution. Systems and Computers in Japan 28(5): 82-92 (1997)

Akira Takahashi, Nobuhiko Kitawaki, Paolino Usai, David Atkinson: Performance evaluation of objective quality measures for coded speech. EUROSPEECH 1997

Hiromi Nagabuchi, Akira Takahashi, Mineyoshi Ogawa: Speech intelligibility and loudness assessment in a wireless personal communication. EUROSPEECH 1995