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ORCIDHitoshi Yamamoto
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2020 – today
- 2024
[j17]Tatsuya Sasaki
, Satoshi Uchida, Isamu Okada, Hitoshi Yamamoto:
The Evolution of Cooperation and Diversity under Integrated Indirect Reciprocity. Games 15(2): 15 (2024)- [j16]Satoshi Uchida, Tatsuya Sasaki, Hitoshi Yamamoto, Isamu Okada:
Evolution of "Pay-It-Forward" in the Presence of the Temptation to Free-Ride. Games 15(3): 16 (2024) - 2023
- [i7]Tatsuya Sasaki, Satoshi Uchida, Isamu Okada, Hitoshi Yamamoto:
The evolution of cooperation and diversity by integrated indirect reciprocity. CoRR abs/2303.04467 (2023) - 2022
- [i6]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:
I4U System Description for NIST SRE'20 CTS Challenge. CoRR abs/2211.01091 (2022) - 2021
- [j15]Hitoshi Yamamoto:
The International Linear Collider Project - Its Physics and Status. Symmetry 13(4): 674 (2021) - [c30]Qiongqiong Wang, Kong Aik Lee, Takafumi Koshinaka, Koji Okabe, Hitoshi Yamamoto:
Task-aware Warping Factors in Mask-based Speech Enhancement. EUSIPCO 2021: 476-480 - [c29]Nozomi Okano, Hitoshi Yamamoto, Masaru Nishikawa, Akira Ishii:
Simulation of Intragroup Alignment Using a New Model of Opinion Dynamics. IntelliSys (1) 2021: 453-463 - [i5]Qiongqiong Wang, Kong Aik Lee, Takafumi Koshinaka, Koji Okabe, Hitoshi Yamamoto:
Task-aware Warping Factors in Mask-based Speech Enhancement. CoRR abs/2108.12128 (2021) - 2020
- [j14]Kong Aik Lee, Hitoshi Yamamoto, Koji Okabe, Qiongqiong Wang, Ling Guo, Takafumi Koshinaka, Jiacen Zhang, Koichi Shinoda:
NEC-TT System for Mixed-Bandwidth and Multi-Domain Speaker Recognition. Comput. Speech Lang. 61: 101033 (2020) - [j13]Isamu Okada, Hitoshi Yamamoto, Satoshi Uchida:
Hybrid Assessment Scheme Based on the Stern- Judging Rule for Maintaining Cooperation under Indirect Reciprocity. Games 11(1): 13 (2020) - [j12]Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada:
A belief in rewards accelerates cooperation on consumer-generated media. J. Comput. Soc. Sci. 3(1): 19-31 (2020) - [c28]Hiroshi Asai, Tomoyuki Shimono, Tomoe Deguchi, Yasuhisa Fujii, Hitoshi Yamamoto, Kouhei Ohnishi:
Development and Basic Analysis of Novel Flexible Linear Motor. AMC 2020: 253-258 - [c27]Kong Aik Lee, Koji Okabe, Hitoshi Yamamoto, Qiongqiong Wang, Ling Guo, Takafumi Koshinaka, Jiacen Zhang, Keisuke Ishikawa, Koichi Shinoda:
NEC-TT Speaker Verification System for SRE'19 CTS Challenge. INTERSPEECH 2020: 2227-2231
2010 – 2019
- 2019
- [j11]Satoshi Uchida, Hitoshi Yamamoto, Isamu Okada, Tatsuya Sasaki:
Evolution of Cooperation with Peer Punishment under Prospect Theory. Games 10(1): 11 (2019) - [c26]Hitoshi Yamamoto, Kong Aik Lee, Koji Okabe, Takafumi Koshinaka:
Speaker Augmentation and Bandwidth Extension for Deep Speaker Embedding. INTERSPEECH 2019: 406-410 - [c25]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:
I4U Submission to NIST SRE 2018: Leveraging from a Decade of Shared Experiences. INTERSPEECH 2019: 1497-1501 - [c24]Kong Aik Lee, Hitoshi Yamamoto, Koji Okabe, Qiongqiong Wang, Ling Guo, Takafumi Koshinaka, Jiacen Zhang, Koichi Shinoda:
The NEC-TT 2018 Speaker Verification System. INTERSPEECH 2019: 4355-4359 - [c23]Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada:
Rewards Visualization System Promotes Information Provision. JSAI 2019: 55-65 - [i4]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:
I4U Submission to NIST SRE 2018: Leveraging from a Decade of Shared Experiences. CoRR abs/1904.07386 (2019) - 2018
- [c22]Qiongqiong Wang, Koji Okabe, Kong Aik Lee, Hitoshi Yamamoto, Takafumi Koshinaka:
Attention Mechanism in Speaker Recognition: What Does it Learn in Deep Speaker Embedding? SLT 2018: 1052-1059 - [i3]Qiongqiong Wang, Koji Okabe, Kong Aik Lee, Hitoshi Yamamoto, Takafumi Koshinaka:
Attention Mechanism in Speaker Recognition: What Does It Learn in Deep Speaker Embedding? CoRR abs/1809.09311 (2018) - 2017
- [j10]Tatsuya Sasaki, Hitoshi Yamamoto, Isamu Okada, Satoshi Uchida:
The Evolution of Reputation-Based Cooperation in Regular Networks. Games 8(1): 8 (2017) - [c21]Hitoshi Yamamoto, Koji Okabe, Takafumi Koshinaka:
Robust i-vector extraction tightly coupled with voice activity detection using deep neural networks. APSIPA 2017: 600-604 - [c20]Shivangi Mahto, Hitoshi Yamamoto, Takafumi Koshinaka:
i-Vector Transformation Using a Novel Discriminative Denoising Autoencoder for Noise-Robust Speaker Recognition. INTERSPEECH 2017: 3722-3726 - [i2]Tatsuya Sasaki, Hitoshi Yamamoto, Isamu Okada, Satoshi Uchida:
The Evolution of Reputation-Based Cooperation in Regular Networks. CoRR abs/1701.06153 (2017) - [i1]Hitoshi Yamamoto, Isamu Okada, Satoshi Uchida, Tatsuya Sasaki:
A norm knockout method on indirect reciprocity to reveal indispensable norms. CoRR abs/1703.03943 (2017) - 2016
- [j9]Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada:
Exploring an Effective Incentive System on a Groupware. J. Artif. Soc. Soc. Simul. 19(4) (2016) - [c19]Qiongqiong Wang, Hitoshi Yamamoto, Takafumi Koshinaka:
Domain adaptation using maximum likelihood linear transformation for PLDA-based speaker verification. ICASSP 2016: 5110-5114 - 2015
- [j8]Isamu Okada, Hitoshi Yamamoto, Fujio Toriumi, Tatsuya Sasaki:
The Effect of Incentives and Meta-incentives on the Evolution of Cooperation. PLoS Comput. Biol. 11(5) (2015) - [c18]Hitoshi Yamamoto, Takafumi Koshinaka:
Denoising autoencoder-based speaker feature restoration for utterances of short duration. INTERSPEECH 2015: 1052-1056 - 2014
- [j7]Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada:
Influence of Payoff in Meta-Rewards Game. J. Adv. Comput. Intell. Intell. Informatics 18(4): 616-623 (2014) - [j6]Hitoshi Yamamoto, Isamu Okada, Yuki Ogawa:
Analysis of a Public Good Game Permitted New Entries: a Role of Defectors to Maintain Cooperation. J. Adv. Comput. Intell. Intell. Informatics 18(4): 624-631 (2014) - [c17]Masahiro Saiko, Hitoshi Yamamoto, Ryosuke Isotani, Chiori Hori:
Efficient multi-lingual unsupervised acoustic model training under mismatch conditions. SLT 2014: 24-29 - 2013
- [j5]Isamu Okada, Hitoshi Yamamoto:
Mathematical description and analysis of adaptive risk choice behavior. ACM Trans. Intell. Syst. Technol. 4(1): 17:1-17:21 (2013) - [c16]Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada:
Effects of Controllable Facilitators on Social Media: Simulation Analysis Using Generalized Metanorms Games. Web Intelligence/IAT Workshops 2013: 114-117 - [c15]Yuki Ogawa, Kakuko Miyata, Hitoshi Yamamoto, Ken'ichi Ikeda:
Association between Selective Exposure and Attitude on Twitter. Web Intelligence/IAT Workshops 2013: 122-125 - [c14]Isamu Okada, Hitoshi Yamamoto:
Adaptive Risk Choice Behavior Using MAS. Web Intelligence/IAT Workshops 2013: 131-134 - [c13]Peter Bell, Hitoshi Yamamoto, Pawel Swietojanski, Youzheng Wu, Fergus McInnes, Chiori Hori, Steve Renals:
A lecture transcription system combining neural network acoustic and language models. INTERSPEECH 2013: 3087-3091 - 2012
- [c12]Hitoshi Yamamoto, Isamu Okada, Yuki Ogawa:
Effect of defectors for cooperation: how strictly should defectors be eliminated from the newcomers? AAMAS 2012: 1347-1348 - [c11]Youzheng Wu, Xugang Lu, Hitoshi Yamamoto, Shigeki Matsuda, Chiori Hori, Hideki Kashioka:
Factored Language Model based on Recurrent Neural Network. COLING 2012: 2835-2850 - [c10]Fujio Toriumi, Hitoshi Yamamoto, Isamu Okada:
Why Do People Use Social Media? Agent-Based Simulation and Population Dynamics Analysis of the Evolution of Cooperation in Social Media. IAT 2012: 43-50 - [c9]Hitoshi Yamamoto, Paul R. Dixon, Shigeki Matsuda, Chiori Hori, Hideki Kashioka:
Tied-State Mixture Language Model for WFST-based Speech Recognition. INTERSPEECH 2012: 174-177 - [c8]Hitoshi Yamamoto, Youzheng Wu, Chien-Lin Huang, Xugang Lu, Paul R. Dixon, Shigeki Matsuda, Chiori Hori, Hideki Kashioka:
The NICT ASR system for IWSLT2012. IWSLT 2012: 34-37 - [c7]Youzheng Wu, Hitoshi Yamamoto, Xugang Lu, Shigeki Matsuda, Chiori Hori, Hideki Kashioka:
Factored recurrent neural network language model in TED lecture transcription. IWSLT 2012: 222-228 - 2011
- [j4]Isamu Okada, Hitoshi Yamamoto:
Effects of Information Diffusion in Online Word-of-Mouth Communication Among Consumers. J. Adv. Comput. Intell. Intell. Informatics 15(2): 197-203 (2011) - 2010
- [c6]Hitoshi Yamamoto, Ken Hanazawa, Kiyokazu Miki, Koichi Shinoda:
Dynamic language model adaptation using keyword category classification. INTERSPEECH 2010: 2426-2429
2000 – 2009
- 2009
- [c5]Sen Yao, Shunji Goto, Junpei Sakurai, Tadahiko Shinshi, Minoru Uehara, Hitoshi Yamamoto:
SiN-based micro cantilever actuators using NdFeB/Ta permanent magnetic thin film. NEMS 2009: 416-419 - 2008
- [c4]Yuki Ogawa, Hirohiko Suwa, Hitoshi Yamamoto, Isamu Okada, Toshizumi Ohta:
Development of Recommender Systems Using User Preference Tendencies: An Algorithm for Diversifying Recommendation. II3E 2008: 61-73 - 2006
- [c3]Yoshifumi Ishida, Hitoshi Yamamoto, Isamu Okada, Toshizumi Ohta:
Vulnerability of Cooperation on Scale-Free Networks. WCSS 2006: 261-272 - 2004
- [j3]Hitoshi Yamamoto, Kazunari Ishida, Toshizumi Ohta:
Modeling Reputation Management System on Online C2C Market. Comput. Math. Organ. Theory 10(2): 165-178 (2004) - [c2]Hitoshi Yamamoto, Kazunari Ishida, Toshizumi Ohta:
Temptation and Contribution in C2C Transactions: Implications for Designing Reputation Management Systems. Trusting Agents for Trusting Electronic Societies 2004: 218-234 - 2001
- [c1]Hitoshi Yamamoto, Isamu Okada, Makoto Jgarashi, Toshizumi Ohta:
Relation Formation by Medium Properties: A Multiagent Simulation. PACIS 2001: 24
1980 – 1989
- 1986
- [j2]Yasuhiko Niiro, Hitoshi Yamamoto:
The international long-haul optical-fiber submarine cable system in Japan. IEEE Commun. Mag. 24(5): 24-32 (1986) - [j1]Kohichi Tatekura, Hitoshi Yamamoto, Hiroharu Wakabayashi, Yasuhiko Niiro:
Reliability of the OS-280M Optical Submarine Repeater. IEEE J. Sel. Areas Commun. 4(7): 1104-1111 (1986)
Coauthor Index
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