Hirofumi Yamamoto

Publication Activity (10 Years)

Years Active: 1996-2020
Publications (10 Years): 3

Top Topics

High Temperature

Top Venues

Microelectron. Reliab.

J. Robotics Mechatronics

Publications

Kazunori Hosotani, Hirofumi Yamamoto
Free-Flow Tunnel Inspection Support Devices Aiming at Labor Saving of Visual Checking. J. Robotics Mechatronics 32 (4) (2020)
Hirofumi Yamamoto, Hiroki Sakaji, Hiroyasu Matsushima, Yuki Yamashita, Kyohei Osawa, Kiyoshi Izumi, Takashi Shimada
Forecasting Crypto-Asset Price Using Influencer Tweets. AINA (2019)
Kosuke Uchida, Toru Hiyoshi, Taro Nishiguchi, Hirofumi Yamamoto, Masaki Furumai, Takashi Tsuno, Yasuki Mikamura
Lifetime estimation of SiC MOSFETs under high temperature reverse bias test. Microelectron. Reliab. 64 (2016)
Hironobu Akita, Takahisa Yoshimoto, Hirofumi Yamamoto, Nobuaki Matsudaira, Shigeki Ohtsuka, Shinichirou Taguchi
A 10-bit fast lock all-digital data recovery with CR oscillator reference for automotive network. ISCAS (2013)
Chooi-Ling Goh, Taro Watanabe, Hirofumi Yamamoto, Eiichiro Sumita
Constraining a Generative Word Alignment Model with Discriminative Output. IEICE Trans. Inf. Syst. (7) (2010)
Hirofumi Yamamoto, Hideo Okuma, Eiichiro Sumita
Imposing Constraints from the Source Tree on ITG Constraints for SMT. IEICE Trans. Inf. Syst. (9) (2009)
Michael Paul, Hirofumi Yamamoto, Eiichiro Sumita, Satoshi Nakamura
On the Importance of Pivot Language Selection for Statistical Machine Translation. HLT-NAACL (Short Papers) (2009)
Masao Utiyama, Hirofumi Yamamoto, Eiichiro Sumita
Two methods for stabilizing MERT. IWSLT (Evaluation Campaign) (2009)
Masao Utiyama, Hirofumi Yamamoto, Eiichiro Sumita
Two methods for stabilizing MERT: NICT at IWSLT 2009. IWSLT (2009)
Keiji Yasuda, Hirofumi Yamamoto, Eiichiro Sumita
Training Set Selection for Building Compact and Efficient Language Models. IEICE Trans. Inf. Syst. (3) (2009)
Kei Hashimoto, Hirofumi Yamamoto, Hideo Okuma, Eiichiro Sumita, Keiichi Tokuda
A Reordering Model Using a Source-Side Parse-Tree for Statistical Machine Translation. IEICE Trans. Inf. Syst. (12) (2009)
Michael Paul, Hideo Okuma, Hirofumi Yamamoto, Eiichiro Sumita, Shigeki Matsuda, Tohru Shimizu, Satoshi Nakamura
Multilingual Mobile-Phone Translation Services for World Travelers. COLING (Demos) (2008)
Saburo Okumura, Hirofumi Yamamoto, Yoshikazu Nishimura, Hironori Hiraoka, Kenzo Danjo, Hiroki Morimoto
The Application of FRD with Avalanche Capability for Improvement of Power Conversion Efficiency in Output Rectifier and PFC. IAS (2008)
Hirofumi Yamamoto, Hideo Okuma, Eiichiro Sumita
Imposing Constraints from the Source Tree on ITG Constraints for SMT. SSST@ACL (2008)
Xinhui Hu, Hirofumi Yamamoto, Jinsong Zhang, Keiji Yasuda, Youzheng Wu, Hideki Kashioka
Utilization of Huge Written Text Corpora for Conversational Speech Recognition. ISCSLP (2008)
Masao Utiyama, Andrew M. Finch, Hideo Okuma, Michael Paul, Hailong Cao, Hirofumi Yamamoto, Keiji Yasuda, Eiichiro Sumita
The NICT/ATR speech translation system for IWSLT 2008. IWSLT (2008)
Keiji Yasuda, Ruiqiang Zhang, Hirofumi Yamamoto, Eiichiro Sumita
Method of Selecting Training Data to Build a Compact and Efficient Translation Model. IJCNLP (2008)
Keiji Yasuda, Andrew M. Finch, Hideo Okuma, Masao Utiyama, Hirofumi Yamamoto, Eiichiro Sumita
System Description of NiCT-ATR SMT for NTCIR-7. NTCIR (2008)
Hirofumi Yamamoto, Eiichiro Sumita
Bilingual Cluster Based Models for Statistical Machine Translation. IEICE Trans. Inf. Syst. (3) (2008)
Hideo Okuma, Hirofumi Yamamoto, Eiichiro Sumita
Introducing a Translation Dictionary into Phrase-Based SMT. IEICE Trans. Inf. Syst. (7) (2008)
Hajime Tsubaki, Keiji Yasuda, Hirofumi Yamamoto, Yoshinori Sagisaka
s translation proficiency using statistical translation measures. ExLing (2008)
Hideo Okuma, Hirofumi Yamamoto, Eiichiro Sumita
Introducing translation dictionary into phrase-based SMT. MTSummit (2007)
Hirofumi Yamamoto, Eiichiro Sumita
Bilingual Cluster Based Models for Statistical Machine Translation. EMNLP-CoNLL (2007)
Andrew M. Finch, Etienne Denoual, Hideo Okuma, Michael Paul, Hirofumi Yamamoto, Keiji Yasuda, Ruiqiang Zhang, Eiichiro Sumita
The NICT/ATR speech translation system for IWSLT 2007. IWSLT (2007)
Satoshi Nakamura, Konstantin Markov, Hiromi Nakaiwa, Gen-ichiro Kikui, Hisashi Kawai, Takatoshi Jitsuhiro, Jinsong Zhang, Hirofumi Yamamoto, Eiichiro Sumita, Seiichi Yamamoto
The ATR multilingual speech-to-speech translation system. IEEE Trans. Speech Audio Process. 14 (2) (2006)
Hirofumi Yamamoto, Gen-ichiro Kikui, Satoshi Nakamura, Yoshinori Sagisaka
Speech recognition of foreign out-of-vocabulary words using a hierarchical language model. INTERSPEECH (2006)
Xinhui Hu, Hirofumi Yamamoto, Gen-ichiro Kikui, Yoshinori Sagisaka
Language modeling of Chinese personal names based on character units for continuous Chinese speech recognition. INTERSPEECH (2006)
Ruiqiang Zhang, Hirofumi Yamamoto, Michael Paul, Hideo Okuma, Keiji Yasuda, Yves Lepage, Etienne Denoual, Daichi Mochihashi, Andrew M. Finch, Eiichiro Sumita
The niCT-ATR statistical machine translation system for the IWSLT 2006 evaluation. IWSLT (2006)
Ruiqiang Zhang, Gen-ichiro Kikui, Hirofumi Yamamoto, Wai-Kit Lo
A decoding algorithm for word lattice translation in speech translation. IWSLT (2005)
Ruiqiang Zhang, Gen-ichiro Kikui, Hirofumi Yamamoto
Using multiple recognition hypotheses to improve speech translation. IWSLT (2005)
Tatsuhiko Tomita, Yoshiyuki Okimoto, Hirofumi Yamamoto, Yoshinori Sagisaka
Speech recognition of a named entity. ICASSP (1) (2005)
Takao Doi, Hirofumi Yamamoto, Eiichiro Sumita
Example-based machine translation using efficient sentence retrieval based on edit-distance. ACM Trans. Asian Lang. Inf. Process. 4 (4) (2005)
Takao Doi, Hirofumi Yamamoto, Eiichiro Sumita
Graph-based Retrieval for Example-based Machine Translation Using Edit-distance. MTSummit (Workshop) (2005)
Satoshi Nakamura, Konstantin Markov, Takatoshi Jitsuhiro, Jinsong Zhang, Hirofumi Yamamoto, Gen-ichiro Kikui
Multi-lingual speech recognition system for speech-to-speech translation. IWSLT (2004)
Hirofumi Yamamoto, Gen-ichiro Kikui, Yoshinori Sagisaka
Mis-recognized utterance detection using hierarchical language model. INTERSPEECH (2004)
Ruiqiang Zhang, Gen-ichiro Kikui, Hirofumi Yamamoto, Frank K. Soong, Taro Watanabe, Eiichiro Sumita, Wai Kit Lo
Improved spoken language translation using n-best speech recognition hypotheses. INTERSPEECH (2004)
Ruiqiang Zhang, Gen-ichiro Kikui, Hirofumi Yamamoto, Frank K. Soong, Taro Watanabe, Wai Kit Lo
A Unified Approach in Speech-to-Speech Translation: Integrating Features of Speech recognition and Machine Translation. COLING (2004)
Hirofumi Yamamoto, Shuntaro Isogai, Yoshinori Sagisaka
Multi-class composite N-gram language model. Speech Commun. 41 (2-3) (2003)
Takao Doi, Eiichiro Sumita, Hirofumi Yamamoto
Adaptation Using Out-of-Domain Corpus within EBMT. HLT-NAACL (2003)
Hirofumi Yamamoto, Yoshinori Sagisaka
Multiclass composite N-gram language model based on connection direction. Systems and Computers in Japan 34 (7) (2003)
Yoshihiko Ogawa, Hirofumi Yamamoto, Yoshinori Sagisaka, Gen-ichiro Kikui
Word class modeling for speech recognition with out-of-task words using a hierarchical language model. INTERSPEECH (2003)
Katsuhisa Fujinaga, Hiroaki Kokubo, Hirofumi Yamamoto, Gen-ichiro Kikui, Hiroshi Shimodaira
Mis-recognized utterance detection using multiple language models generated by clustered sentences. INTERSPEECH (2003)
Takao Onoye, Yukihiro Nakamura, Atsuhito Shigiya, Keishi Chikamura, Kosuke Tsujino, Tomonori Izumi, Hirofumi Yamamoto
System-Level Design of IEEE1394 Bus Segment Bridge. ISSS (2002)
Gen-ichiro Kikui, Hirofumi Yamamoto
Finding Translation Pairs from English-Japanese Untokenized Aligned Corpora. Speech-to-Speech Translation@ACL (2002)
Toshiyuki Takezawa, Eiichiro Sumita, Fumiaki Sugaya, Hirofumi Yamamoto, Seiichi Yamamoto
Toward a Broad-coverage Bilingual Corpus for Speech Translation of Travel Conversations in the Real World. LREC (2002)
Hideharu Nakajima, Hirofumi Yamamoto, Taro Watanabe
Language Model Adaptation with Additional Text Generated by Machine Translation. COLING (2002)
Shigehiko Onishi, Hirofumi Yamamoto, Yoshinori Sagisaka
Structured language model for class identification of out-of-vocabulary words arising from multiple wordclasses. INTERSPEECH (2001)
Shuntaro Isogai, Katsuhiko Shirai, Hirofumi Yamamoto, Yoshinori Sagisaka
Multi-class composite n-gram language model using multiple word clusters and word successions. INTERSPEECH (2001)
Hirofumi Yamamoto, Shuntaro Isogai, Yoshinori Sagisaka
Multi-Class Composite N-gram Language Model for Spoken Language Processing Using Multiple Word Clusters. ACL (2001)
Takatoshi Jitsuhiro, Hirofumi Yamamoto, Setsuo Yamada, Yoshinori Sagisaka
New language models using phrase structures extracted from parse trees. INTERSPEECH (2001)
Shuwu Zhang, Hirofumi Yamamoto, Yoshinori Sagisaka
An embedded knowledge integration for hybrid language modelling. INTERSPEECH (2000)
Hirofumi Yamamoto, Kouichi Tanigaki, Yoshinori Sagisaka
A language model for conversational speech recognition using information designed for speech translation. INTERSPEECH (2000)
Hideharu Nakajima, Yoshinori Sagisaka, Hirofumi Yamamoto
Pronunciation variants description using recognition error modeling with phonetic derivation hypotheses. INTERSPEECH (2000)
Yoshinori Sagisaka, Hirofumi Yamamoto, Minoru Tsuzaki, Hiroaki Kato
Rules, but what for? - rule description as efficient and robust abstraction of corpora and optimal fitting to applications -. INTERSPEECH (2000)
Koichi Tanigaki, Hirofumi Yamamoto, Yoshinori Sagisaka
A hierarchical language model incorporating class-dependent word models for OOV words recognition. INTERSPEECH (2000)
Hirofumi Yamamoto, Yoshinori Sagisaka
Multi-class composite N-gram based on connection direction. ICASSP (1999)
Hirofumi Yamamoto, Yoshinori Sagisaka
Part-of-speech n-gram and word n-gram fused language model. EUROSPEECH (1999)
Hajime Tsukada, Hirofumi Yamamoto, Toshiyuki Takezawa, Yoshinori Sagisaka
Reliable utterance segment recognition by integrating a grammar with statistical language constraints. Speech Commun. 26 (4) (1998)
Hajime Tsukada, Hirofumi Yamamoto, Toshiyuki Takezawa, Yoshinori Sagisaka
Grammatical word graph re-generation for spontaneous speech recognition. ICSLP (1998)
Hajime Tsukada, Hirofumi Yamamoto, Yoshinori Sagisaka
Integration of grammar and statistical language constraints for partial word-sequence recognition. EUROSPEECH (1997)
Tohru Shimizu, Hirofumi Yamamoto, Hirokazu Masataki, Shoichi Matsunaga, Yoshinori Sagisaka
Spontaneous dialogue speech recognition using cross-word context constrained word graphs. ICASSP (1996)