Hirofumi Yamamoto

62 papers A* 1A 14B 5C 2Misc 2Journal 14Unranked 24

Year	Rank	Type	Title / Venue / Authors
2024	J	`jnl`	Dual-Cockpit Human and Hardware-in-the-Loop Test Bench for Autonomous Vehicle Development. IEEE Trans. Intell. Veh. Divya Garikapati, Yiting Liu, Matt Brown, Tristan Littlehale, Hirofumi Yamamoto, Chen Bao
2020	J	`jnl`	Free-Flow Tunnel Inspection Support Devices Aiming at Labor Saving of Visual Checking. J. Robotics Mechatronics Kazunori Hosotani, Hirofumi Yamamoto
2019	B	`conf`	Forecasting Crypto-Asset Price Using Influencer Tweets. AINA Hirofumi Yamamoto, Hiroki Sakaji, Hiroyasu Matsushima, Yuki Yamashita, Kyohei Osawa, Kiyoshi Izumi, Takashi Shimada
2016	J	`jnl`	Lifetime estimation of SiC MOSFETs under high temperature reverse bias test. Microelectron. Reliab. Kosuke Uchida, Toru Hiyoshi, Taro Nishiguchi, Hirofumi Yamamoto, Masaki Furumai, Takashi Tsuno, Yasuki Mikamura
2013	C	`conf`	A 10-bit fast lock all-digital data recovery with CR oscillator reference for automotive network. ISCAS Hironobu Akita, Takahisa Yoshimoto, Hirofumi Yamamoto, Nobuaki Matsudaira, Shigeki Ohtsuka, Shinichirou Taguchi
2010	J	`jnl`	Constraining a Generative Word Alignment Model with Discriminative Output. IEICE Trans. Inf. Syst. Chooi-Ling Goh, Taro Watanabe, Hirofumi Yamamoto, Eiichiro Sumita
2009	J	`jnl`	A Reordering Model Using a Source-Side Parse-Tree for Statistical Machine Translation. IEICE Trans. Inf. Syst. Kei Hashimoto, Hirofumi Yamamoto, Hideo Okuma, Eiichiro Sumita, Keiichi Tokuda
2009	J	`jnl`	Imposing Constraints from the Source Tree on ITG Constraints for SMT. IEICE Trans. Inf. Syst. Hirofumi Yamamoto, Hideo Okuma, Eiichiro Sumita
2009	—	`conf`	On the Importance of Pivot Language Selection for Statistical Machine Translation. HLT-NAACL (Short Papers) Michael Paul, Hirofumi Yamamoto, Eiichiro Sumita, Satoshi Nakamura
2009	J	`jnl`	Training Set Selection for Building Compact and Efficient Language Models. IEICE Trans. Inf. Syst. Keiji Yasuda, Hirofumi Yamamoto, Eiichiro Sumita
2009	—	`conf`	Two methods for stabilizing MERT. IWSLT (Evaluation Campaign) Masao Utiyama, Hirofumi Yamamoto, Eiichiro Sumita
2009	—	`conf`	Two methods for stabilizing MERT: NICT at IWSLT 2009. IWSLT Masao Utiyama, Hirofumi Yamamoto, Eiichiro Sumita
2008	J	`jnl`	Bilingual Cluster Based Models for Statistical Machine Translation. IEICE Trans. Inf. Syst. Hirofumi Yamamoto, Eiichiro Sumita
2008	—	`conf`	Imposing Constraints from the Source Tree on ITG Constraints for SMT. SSST@ACL Hirofumi Yamamoto, Hideo Okuma, Eiichiro Sumita
2008	J	`jnl`	Introducing a Translation Dictionary into Phrase-Based SMT. IEICE Trans. Inf. Syst. Hideo Okuma, Hirofumi Yamamoto, Eiichiro Sumita
2008	B	`conf`	Method of Selecting Training Data to Build a Compact and Efficient Translation Model. IJCNLP Keiji Yasuda, Ruiqiang Zhang, Hirofumi Yamamoto, Eiichiro Sumita
2008	—	`conf`	Multilingual Mobile-Phone Translation Services for World Travelers. COLING (Demos) Michael Paul, Hideo Okuma, Hirofumi Yamamoto, Eiichiro Sumita, Shigeki Matsuda, Tohru Shimizu, Satoshi Nakamura
2008	—	`conf`	Objective evaluation of second language learner ExLing Hajime Tsubaki, Keiji Yasuda, Hirofumi Yamamoto, Yoshinori Sagisaka
2008	—	`conf`	System Description of NiCT-ATR SMT for NTCIR-7. NTCIR Keiji Yasuda, Andrew M. Finch, Hideo Okuma, Masao Utiyama, Hirofumi Yamamoto, Eiichiro Sumita
2008	C	`conf`	The Application of FRD with Avalanche Capability for Improvement of Power Conversion Efficiency in Output Rectifier and PFC. IAS Saburo Okumura, Hirofumi Yamamoto, Yoshikazu Nishimura, Hironori Hiraoka, Kenzo Danjo, Hiroki Morimoto
2008	—	`conf`	The NICT/ATR speech translation system for IWSLT 2008. IWSLT Masao Utiyama, Andrew M. Finch, Hideo Okuma, Michael Paul, Hailong Cao, Hirofumi Yamamoto, Keiji Yasuda, Eiichiro Sumita
2008	—	`conf`	Utilization of Huge Written Text Corpora for Conversational Speech Recognition. ISCSLP Xinhui Hu, Hirofumi Yamamoto, Jinsong Zhang, Keiji Yasuda, Youzheng Wu, Hideki Kashioka
2007	—	`conf`	Bilingual Cluster Based Models for Statistical Machine Translation. EMNLP-CoNLL Hirofumi Yamamoto, Eiichiro Sumita
2007	—	`conf`	Introducing translation dictionary into phrase-based SMT. MTSummit Hideo Okuma, Hirofumi Yamamoto, Eiichiro Sumita
2007	—	`conf`	The NICT/ATR speech translation system for IWSLT 2007. IWSLT Andrew M. Finch, Etienne Denoual, Hideo Okuma, Michael Paul, Hirofumi Yamamoto, Keiji Yasuda, Ruiqiang Zhang, Eiichiro Sumita
2006	A	`conf`	Language modeling of Chinese personal names based on character units for continuous Chinese speech recognition. INTERSPEECH Xinhui Hu, Hirofumi Yamamoto, Gen-ichiro Kikui, Yoshinori Sagisaka
2006	A	`conf`	Speech recognition of foreign out-of-vocabulary words using a hierarchical language model. INTERSPEECH Hirofumi Yamamoto, Gen-ichiro Kikui, Satoshi Nakamura, Yoshinori Sagisaka
2006	J	`jnl`	The ATR multilingual speech-to-speech translation system. IEEE Trans. Speech Audio Process. Satoshi Nakamura, Konstantin Markov, Hiromi Nakaiwa, Gen-ichiro Kikui, Hisashi Kawai, Takatoshi Jitsuhiro, Jinsong Zhang, Hirofumi Yamamoto, Eiichiro Sumita, Seiichi Yamamoto
2006	—	`conf`	The niCT-ATR statistical machine translation system for the IWSLT 2006 evaluation. IWSLT Ruiqiang Zhang, Hirofumi Yamamoto, Michael Paul, Hideo Okuma, Keiji Yasuda, Yves Lepage, Etienne Denoual, Daichi Mochihashi, Andrew M. Finch, Eiichiro Sumita
2005	—	`conf`	A decoding algorithm for word lattice translation in speech translation. IWSLT Ruiqiang Zhang, Gen-ichiro Kikui, Hirofumi Yamamoto, Wai-Kit Lo
2005	J	`jnl`	Example-based machine translation using efficient sentence retrieval based on edit-distance. ACM Trans. Asian Lang. Inf. Process. Takao Doi, Hirofumi Yamamoto, Eiichiro Sumita
2005	—	`conf`	Graph-based Retrieval for Example-based Machine Translation Using Edit-distance. MTSummit (Workshop) Takao Doi, Hirofumi Yamamoto, Eiichiro Sumita
2005	—	`conf`	Speech recognition of a named entity. ICASSP (1) Tatsuhiko Tomita, Yoshiyuki Okimoto, Hirofumi Yamamoto, Yoshinori Sagisaka
2005	—	`conf`	Using multiple recognition hypotheses to improve speech translation. IWSLT Ruiqiang Zhang, Gen-ichiro Kikui, Hirofumi Yamamoto
2004	B	`conf`	A Unified Approach in Speech-to-Speech Translation: Integrating Features of Speech recognition and Machine Translation. COLING Ruiqiang Zhang, Gen-ichiro Kikui, Hirofumi Yamamoto, Frank K. Soong, Taro Watanabe, Wai Kit Lo
2004	A	`conf`	Improved spoken language translation using n-best speech recognition hypotheses. INTERSPEECH Ruiqiang Zhang, Gen-ichiro Kikui, Hirofumi Yamamoto, Frank K. Soong, Taro Watanabe, Eiichiro Sumita, Wai Kit Lo
2004	A	`conf`	Mis-recognized utterance detection using hierarchical language model. INTERSPEECH Hirofumi Yamamoto, Gen-ichiro Kikui, Yoshinori Sagisaka
2004	—	`conf`	Multi-lingual speech recognition system for speech-to-speech translation. IWSLT Satoshi Nakamura, Konstantin Markov, Takatoshi Jitsuhiro, Jinsong Zhang, Hirofumi Yamamoto, Gen-ichiro Kikui
2003	—	`conf`	Adaptation Using Out-of-Domain Corpus within EBMT. HLT-NAACL Takao Doi, Eiichiro Sumita, Hirofumi Yamamoto
2003	A	`conf`	Mis-recognized utterance detection using multiple language models generated by clustered sentences. INTERSPEECH Katsuhisa Fujinaga, Hiroaki Kokubo, Hirofumi Yamamoto, Gen-ichiro Kikui, Hiroshi Shimodaira
2003	J	`jnl`	Multi-class composite N-gram language model. Speech Commun. Hirofumi Yamamoto, Shuntaro Isogai, Yoshinori Sagisaka
2003	J	`jnl`	Multiclass composite N-gram language model based on connection direction. Syst. Comput. Jpn. Hirofumi Yamamoto, Yoshinori Sagisaka
2003	A	`conf`	Word class modeling for speech recognition with out-of-task words using a hierarchical language model. INTERSPEECH Yoshihiko Ogawa, Hirofumi Yamamoto, Yoshinori Sagisaka, Gen-ichiro Kikui
2002	—	`conf`	Finding Translation Pairs from English-Japanese Untokenized Aligned Corpora. Speech-to-Speech Translation@ACL Gen-ichiro Kikui, Hirofumi Yamamoto
2002	B	`conf`	Language Model Adaptation with Additional Text Generated by Machine Translation. COLING Hideharu Nakajima, Hirofumi Yamamoto, Taro Watanabe
2002	—	`conf`	System-Level Design of IEEE1394 Bus Segment Bridge. ISSS Takao Onoye, Yukihiro Nakamura, Atsuhito Shigiya, Keishi Chikamura, Kosuke Tsujino, Tomonori Izumi, Hirofumi Yamamoto
2002	B	`conf`	Toward a Broad-coverage Bilingual Corpus for Speech Translation of Travel Conversations in the Real World. LREC Toshiyuki Takezawa, Eiichiro Sumita, Fumiaki Sugaya, Hirofumi Yamamoto, Seiichi Yamamoto
2001	A*	`conf`	Multi-Class Composite N-gram Language Model for Spoken Language Processing Using Multiple Word Clusters. ACL Hirofumi Yamamoto, Shuntaro Isogai, Yoshinori Sagisaka
2001	A	`conf`	Multi-class composite n-gram language model using multiple word clusters and word successions. INTERSPEECH Shuntaro Isogai, Katsuhiko Shirai, Hirofumi Yamamoto, Yoshinori Sagisaka
2001	A	`conf`	New language models using phrase structures extracted from parse trees. INTERSPEECH Takatoshi Jitsuhiro, Hirofumi Yamamoto, Setsuo Yamada, Yoshinori Sagisaka
2001	A	`conf`	Structured language model for class identification of out-of-vocabulary words arising from multiple wordclasses. INTERSPEECH Shigehiko Onishi, Hirofumi Yamamoto, Yoshinori Sagisaka
2000	A	`conf`	A hierarchical language model incorporating class-dependent word models for OOV words recognition. INTERSPEECH Koichi Tanigaki, Hirofumi Yamamoto, Yoshinori Sagisaka
2000	A	`conf`	A language model for conversational speech recognition using information designed for speech translation. INTERSPEECH Hirofumi Yamamoto, Kouichi Tanigaki, Yoshinori Sagisaka
2000	A	`conf`	An embedded knowledge integration for hybrid language modelling. INTERSPEECH Shuwu Zhang, Hirofumi Yamamoto, Yoshinori Sagisaka
2000	A	`conf`	Pronunciation variants description using recognition error modeling with phonetic derivation hypotheses. INTERSPEECH Hideharu Nakajima, Yoshinori Sagisaka, Hirofumi Yamamoto
2000	A	`conf`	Rules, but what for? - rule description as efficient and robust abstraction of corpora and optimal fitting to applications -. INTERSPEECH Yoshinori Sagisaka, Hirofumi Yamamoto, Minoru Tsuzaki, Hiroaki Kato
1999	Misc	`conf`	Multi-class composite N-gram based on connection direction. ICASSP Hirofumi Yamamoto, Yoshinori Sagisaka
1999	—	`conf`	Part-of-speech n-gram and word n-gram fused language model. EUROSPEECH Hirofumi Yamamoto, Yoshinori Sagisaka
1998	—	`conf`	Grammatical word graph re-generation for spontaneous speech recognition. ICSLP Hajime Tsukada, Hirofumi Yamamoto, Toshiyuki Takezawa, Yoshinori Sagisaka
1998	J	`jnl`	Reliable utterance segment recognition by integrating a grammar with statistical language constraints. Speech Commun. Hajime Tsukada, Hirofumi Yamamoto, Toshiyuki Takezawa, Yoshinori Sagisaka
1997	—	`conf`	Integration of grammar and statistical language constraints for partial word-sequence recognition. EUROSPEECH Hajime Tsukada, Hirofumi Yamamoto, Yoshinori Sagisaka
1996	Misc	`conf`	Spontaneous dialogue speech recognition using cross-word context constrained word graphs. ICASSP Tohru Shimizu, Hirofumi Yamamoto, Hirokazu Masataki, Shoichi Matsunaga, Yoshinori Sagisaka