Hitoshi Yamamoto

57 papers A 11B 1Misc 1Journal 26Unranked 18

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	An attention economy model of co-evolution between content quality and audience selectivity. CoRR Masaki Chujyo, Isamu Okada, Hitoshi Yamamoto, Dongwoo Lim, Fujio Toriumi
2025	J	`jnl`	Integrating upstream and downstream reciprocity stabilizes cooperator-defector coexistence in N-player giving games. CoRR Tatsuya Sasaki, Satoshi Uchida, Isamu Okada, Hitoshi Yamamoto, Yutaka Nakai
2025	A	`conf`	Simultaneous Masked and Unmasked Decoding with Speculative Decoding Masking for Fast ASR without Accuracy Loss. INTERSPEECH Koji Okabe, Hitoshi Yamamoto
2024	J	`jnl`	Evolution of "Pay-It-Forward" in the Presence of the Temptation to Free-Ride. Games Satoshi Uchida, Tatsuya Sasaki, Hitoshi Yamamoto, Isamu Okada
2024	J	`jnl`	The Evolution of Cooperation and Diversity under Integrated Indirect Reciprocity. Games Tatsuya Sasaki, Satoshi Uchida, Isamu Okada, Hitoshi Yamamoto
2023	J	`jnl`	The evolution of cooperation and diversity by integrated indirect reciprocity. CoRR Tatsuya Sasaki, Satoshi Uchida, Isamu Okada, Hitoshi Yamamoto
2022	J	`jnl`	I4U System Description for NIST SRE'20 CTS Challenge. CoRR Kong Aik Lee, Tomi Kinnunen, Daniele Colibro, Claudio Vair, Andreas Nautsch, Hanwu Sun, Liang He, Tianyu Liang, Qiongqiong Wang, Mickael Rouvier, Pierre-Michel Bousquet, Rohan Kumar Das, Ignacio Viñals Bailo, Meng Liu, Héctor Deldago, Xuechen Liu, Md. Sahidullah, Sandro Cumani, Boning Zhang, Koji Okabe, Hitoshi Yamamoto, Ruijie Tao, Haizhou Li, Alfonso Ortega Giménez, Longbiao Wang, Luis Buera
2021	—	`conf`	Simulation of Intragroup Alignment Using a New Model of Opinion Dynamics. IntelliSys (1) Nozomi Okano, Hitoshi Yamamoto, Masaru Nishikawa, Akira Ishii
2021	—	`conf`	Task-aware Warping Factors in Mask-based Speech Enhancement. EUSIPCO Qiongqiong Wang, Kong Aik Lee, Takafumi Koshinaka, Koji Okabe, Hitoshi Yamamoto
2021	J	`jnl`	Task-aware Warping Factors in Mask-based Speech Enhancement. CoRR Qiongqiong Wang, Kong Aik Lee, Takafumi Koshinaka, Koji Okabe, Hitoshi Yamamoto
2021	J	`jnl`	The International Linear Collider Project - Its Physics and Status. Symmetry Hitoshi Yamamoto
2020	J	`jnl`	A belief in rewards accelerates cooperation on consumer-generated media. J. Comput. Soc. Sci. Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada
2020	—	`conf`	Development and Basic Analysis of Novel Flexible Linear Motor. AMC Hiroshi Asai, Tomoyuki Shimono, Tomoe Deguchi, Yasuhisa Fujii, Hitoshi Yamamoto, Kouhei Ohnishi
2020	J	`jnl`	Hybrid Assessment Scheme Based on the Stern- Judging Rule for Maintaining Cooperation under Indirect Reciprocity. Games Isamu Okada, Hitoshi Yamamoto, Satoshi Uchida
2020	A	`conf`	NEC-TT Speaker Verification System for SRE'19 CTS Challenge. INTERSPEECH Kong Aik Lee, Koji Okabe, Hitoshi Yamamoto, Qiongqiong Wang, Ling Guo, Takafumi Koshinaka, Jiacen Zhang, Keisuke Ishikawa, Koichi Shinoda
2020	J	`jnl`	NEC-TT System for Mixed-Bandwidth and Multi-Domain Speaker Recognition. Comput. Speech Lang. Kong Aik Lee, Hitoshi Yamamoto, Koji Okabe, Qiongqiong Wang, Ling Guo, Takafumi Koshinaka, Jiacen Zhang, Koichi Shinoda
2019	J	`jnl`	Evolution of Cooperation with Peer Punishment under Prospect Theory. Games Satoshi Uchida, Hitoshi Yamamoto, Isamu Okada, Tatsuya Sasaki
2019	A	`conf`	I4U Submission to NIST SRE 2018: Leveraging from a Decade of Shared Experiences. INTERSPEECH Kong Aik Lee, Ville Hautamäki, Tomi H. Kinnunen, Hitoshi Yamamoto, Koji Okabe, Ville Vestman, Jing Huang, Guohong Ding, Hanwu Sun, Anthony Larcher, Rohan Kumar Das, Haizhou Li, Mickael Rouvier, Pierre-Michel Bousquet, Wei Rao, Qing Wang, Chunlei Zhang, Fahimeh Bahmaninezhad, Héctor Delgado, Massimiliano Todisco
2019	J	`jnl`	I4U Submission to NIST SRE 2018: Leveraging from a Decade of Shared Experiences. CoRR Kong Aik Lee, Ville Hautamäki, Tomi Kinnunen, Hitoshi Yamamoto, Koji Okabe, Ville Vestman, Jing Huang, Guohong Ding, Hanwu Sun, Anthony Larcher, Rohan Kumar Das, Haizhou Li, Mickael Rouvier, Pierre-Michel Bousquet, Wei Rao, Qing Wang, Chunlei Zhang, Fahimeh Bahmaninezhad, Héctor Delgado, Jose Patino, Qiongqiong Wang, Ling Guo, Takafumi Koshinaka, Jiacen Zhang, Koichi Shinoda, Trung Ngo Trong, Md. Sahidullah, Fan Lu, Yun Tang, Ming Tu, Kah Kuan Teh, Tran Huy Dat, Kuruvachan K. George, Ivan Kukanov, Florent Desnous, Jichen Yang, Emre Yilmaz, Longting Xu, Jean-François Bonastre, Chenglin Xu, Zhi Hao Lim, Eng Siong Chng, Shivesh Ranjan, John H. L. Hansen, Massimiliano Todisco, Nicholas W. D. Evans
2019	—	`conf`	Rewards Visualization System Promotes Information Provision. JSAI Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada
2019	A	`conf`	Speaker Augmentation and Bandwidth Extension for Deep Speaker Embedding. INTERSPEECH Hitoshi Yamamoto, Kong Aik Lee, Koji Okabe, Takafumi Koshinaka
2019	A	`conf`	The NEC-TT 2018 Speaker Verification System. INTERSPEECH Kong Aik Lee, Hitoshi Yamamoto, Koji Okabe, Qiongqiong Wang, Ling Guo, Takafumi Koshinaka, Jiacen Zhang, Koichi Shinoda
2018	J	`jnl`	Attention Mechanism in Speaker Recognition: What Does It Learn in Deep Speaker Embedding? CoRR Qiongqiong Wang, Koji Okabe, Kong Aik Lee, Hitoshi Yamamoto, Takafumi Koshinaka
2018	—	`conf`	Attention Mechanism in Speaker Recognition: What Does it Learn in Deep Speaker Embedding? SLT Qiongqiong Wang, Koji Okabe, Kong Aik Lee, Hitoshi Yamamoto, Takafumi Koshinaka
2017	J	`jnl`	A norm knockout method on indirect reciprocity to reveal indispensable norms. CoRR Hitoshi Yamamoto, Isamu Okada, Satoshi Uchida, Tatsuya Sasaki
2017	—	`conf`	Robust i-vector extraction tightly coupled with voice activity detection using deep neural networks. APSIPA Hitoshi Yamamoto, Koji Okabe, Takafumi Koshinaka
2017	J	`jnl`	The Evolution of Reputation-Based Cooperation in Regular Networks. CoRR Tatsuya Sasaki, Hitoshi Yamamoto, Isamu Okada, Satoshi Uchida
2017	J	`jnl`	The Evolution of Reputation-Based Cooperation in Regular Networks. Games Tatsuya Sasaki, Hitoshi Yamamoto, Isamu Okada, Satoshi Uchida
2017	A	`conf`	i-Vector Transformation Using a Novel Discriminative Denoising Autoencoder for Noise-Robust Speaker Recognition. INTERSPEECH Shivangi Mahto, Hitoshi Yamamoto, Takafumi Koshinaka
2016	Misc	`conf`	Domain adaptation using maximum likelihood linear transformation for PLDA-based speaker verification. ICASSP Qiongqiong Wang, Hitoshi Yamamoto, Takafumi Koshinaka
2016	J	`jnl`	Exploring an Effective Incentive System on a Groupware. J. Artif. Soc. Soc. Simul. Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada
2015	A	`conf`	Denoising autoencoder-based speaker feature restoration for utterances of short duration. INTERSPEECH Hitoshi Yamamoto, Takafumi Koshinaka
2015	J	`jnl`	The Effect of Incentives and Meta-incentives on the Evolution of Cooperation. PLoS Comput. Biol. Isamu Okada, Hitoshi Yamamoto, Fujio Toriumi, Tatsuya Sasaki
2014	J	`jnl`	Analysis of a Public Good Game Permitted New Entries: a Role of Defectors to Maintain Cooperation. J. Adv. Comput. Intell. Intell. Informatics Hitoshi Yamamoto, Isamu Okada, Yuki Ogawa
2014	—	`conf`	Efficient multi-lingual unsupervised acoustic model training under mismatch conditions. SLT Masahiro Saiko, Hitoshi Yamamoto, Ryosuke Isotani, Chiori Hori
2014	J	`jnl`	Influence of Payoff in Meta-Rewards Game. J. Adv. Comput. Intell. Intell. Informatics Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada
2013	A	`conf`	A lecture transcription system combining neural network acoustic and language models. INTERSPEECH Peter Bell, Hitoshi Yamamoto, Pawel Swietojanski, Youzheng Wu, Fergus McInnes, Chiori Hori, Steve Renals
2013	—	`conf`	Adaptive Risk Choice Behavior Using MAS. Web Intelligence/IAT Workshops Isamu Okada, Hitoshi Yamamoto
2013	—	`conf`	Association between Selective Exposure and Attitude on Twitter. Web Intelligence/IAT Workshops Yuki Ogawa, Kakuko Miyata, Hitoshi Yamamoto, Ken'ichi Ikeda
2013	—	`conf`	Effects of Controllable Facilitators on Social Media: Simulation Analysis Using Generalized Metanorms Games. Web Intelligence/IAT Workshops Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada
2013	J	`jnl`	Mathematical description and analysis of adaptive risk choice behavior. ACM Trans. Intell. Syst. Technol. Isamu Okada, Hitoshi Yamamoto
2012	A	`conf`	Effect of defectors for cooperation: how strictly should defectors be eliminated from the newcomers? AAMAS Hitoshi Yamamoto, Isamu Okada, Yuki Ogawa
2012	B	`conf`	Factored Language Model based on Recurrent Neural Network. COLING Youzheng Wu, Xugang Lu, Hitoshi Yamamoto, Shigeki Matsuda, Chiori Hori, Hideki Kashioka
2012	—	`conf`	Factored recurrent neural network language model in TED lecture transcription. IWSLT Youzheng Wu, Hitoshi Yamamoto, Xugang Lu, Shigeki Matsuda, Chiori Hori, Hideki Kashioka
2012	—	`conf`	The NICT ASR system for IWSLT2012. IWSLT Hitoshi Yamamoto, Youzheng Wu, Chien-Lin Huang, Xugang Lu, Paul R. Dixon, Shigeki Matsuda, Chiori Hori, Hideki Kashioka
2012	A	`conf`	Tied-State Mixture Language Model for WFST-based Speech Recognition. INTERSPEECH Hitoshi Yamamoto, Paul R. Dixon, Shigeki Matsuda, Chiori Hori, Hideki Kashioka
2012	—	`conf`	Why Do People Use Social Media? Agent-Based Simulation and Population Dynamics Analysis of the Evolution of Cooperation in Social Media. IAT Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada
2011	J	`jnl`	Effects of Information Diffusion in Online Word-of-Mouth Communication Among Consumers. J. Adv. Comput. Intell. Intell. Informatics Isamu Okada, Hitoshi Yamamoto
2010	A	`conf`	Dynamic language model adaptation using keyword category classification. INTERSPEECH Hitoshi Yamamoto, Ken Hanazawa, Kiyokazu Miki, Koichi Shinoda
2009	—	`conf`	SiN-based micro cantilever actuators using NdFeB/Ta permanent magnetic thin film. NEMS Sen Yao, Shunji Goto, Junpei Sakurai, Tadahiko Shinshi, Minoru Uehara, Hitoshi Yamamoto
2008	—	`conf`	Development of Recommender Systems Using User Preference Tendencies: An Algorithm for Diversifying Recommendation. II3E Yuki Ogawa, Hirohiko Suwa, Hitoshi Yamamoto, Isamu Okada, Toshizumi Ohta
2006	—	`conf`	Vulnerability of Cooperation on Scale-Free Networks. WCSS Yoshifumi Ishida, Hitoshi Yamamoto, Isamu Okada, Toshizumi Ohta
2004	J	`jnl`	Modeling Reputation Management System on Online C2C Market. Comput. Math. Organ. Theory Hitoshi Yamamoto, Kazunari Ishida, Toshizumi Ohta
2004	—	`conf`	Temptation and Contribution in C2C Transactions: Implications for Designing Reputation Management Systems. Trusting Agents for Trusting Electronic Societies Hitoshi Yamamoto, Kazunari Ishida, Toshizumi Ohta
2001	—	`conf`	Relation Formation by Medium Properties: A Multiagent Simulation. PACIS Hitoshi Yamamoto, Isamu Okada, Makoto Jgarashi, Toshizumi Ohta
1986	J	`jnl`	Reliability of the OS-280M Optical Submarine Repeater. IEEE J. Sel. Areas Commun. Kohichi Tatekura, Hitoshi Yamamoto, Hiroharu Wakabayashi, Yasuhiko Niiro
1986	J	`jnl`	The international long-haul optical-fiber submarine cable system in Japan. IEEE Commun. Mag. Yasuhiko Niiro, Hitoshi Yamamoto