Hirofumi Yamamoto - researchr alias

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Viewing Publication 1 - 61 from 61

2020

Free-Flow Tunnel Inspection Support Devices Aiming at Labor Saving of Visual CheckingKazunori Hosotani, Hirofumi Yamamoto. jrm, 32(4):832-839, 2020. [doi]

2019

Forecasting Crypto-Asset Price Using Influencer TweetsHirofumi Yamamoto, Hiroki Sakaji, Hiroyasu Matsushima, Yuki Yamashita, Kyohei Osawa, Kiyoshi Izumi, Takashi Shimada. aina 2020: 940-951 [doi]

2016

Lifetime estimation of SiC MOSFETs under high temperature reverse bias testKosuke Uchida, Toru Hiyoshi, Taro Nishiguchi, Hirofumi Yamamoto, Masaki Furumai, Takashi Tsuno, Yasuki Mikamura. mr, 64:425-428, 2016. [doi]

2013

A 10-bit fast lock all-digital data recovery with CR oscillator reference for automotive networkHironobu Akita, Takahisa Yoshimoto, Hirofumi Yamamoto, Nobuaki Matsudaira, Shigeki Ohtsuka, Shinichirou Taguchi. iscas 2013: 1171-1174 [doi]

2010

Constraining a Generative Word Alignment Model with Discriminative OutputChooi-Ling Goh, Taro Watanabe, Hirofumi Yamamoto, Eiichiro Sumita. ieicet, 93-D(7):1976-1983, 2010. [doi]

2009

A Reordering Model Using a Source-Side Parse-Tree for Statistical Machine TranslationKei Hashimoto, Hirofumi Yamamoto, Hideo Okuma, Eiichiro Sumita, Keiichi Tokuda. ieicet, 92-D(12):2386-2393, 2009. [doi]

On the Importance of Pivot Language Selection for Statistical Machine TranslationMichael Paul, Hirofumi Yamamoto, Eiichiro Sumita, Satoshi Nakamura. naacl 2009: 221-224 [doi]

Two methods for stabilizing MERT: NICT at IWSLT 2009Masao Utiyama, Hirofumi Yamamoto, Eiichiro Sumita. iwslt 2009: 79-82 [doi]

Two methods for stabilizing MERTMasao Utiyama, Hirofumi Yamamoto, Eiichiro Sumita. iwslt 2009: [doi]

Imposing Constraints from the Source Tree on ITG Constraints for SMTHirofumi Yamamoto, Hideo Okuma, Eiichiro Sumita. ieicet, 92-D(9):1762-1770, 2009. [doi]

Training Set Selection for Building Compact and Efficient Language ModelsKeiji Yasuda, Hirofumi Yamamoto, Eiichiro Sumita. ieicet, 92-D(3):506-511, 2009. [doi]

2008

Utilization of Huge Written Text Corpora for Conversational Speech RecognitionXinhui Hu, Hirofumi Yamamoto, Jin-Song Zhang, Keiji Yasuda, Youzheng Wu, Hideki Kashioka. iscslp 2008: 97-100 [doi]

Introducing a Translation Dictionary into Phrase-Based SMTHideo Okuma, Hirofumi Yamamoto, Eiichiro Sumita. ieicet, 91-D(7):2051-2057, 2008. [doi]

The Application of FRD with Avalanche Capability for Improvement of Power Conversion Efficiency in Output Rectifier and PFCSaburo Okumura, Hirofumi Yamamoto, Yoshikazu Nishimura, Hironori Hiraoka, Kenzo Danjo, Hiroki Morimoto. iasam 2008: 1-5 [doi]

Multilingual Mobile-Phone Translation Services for World TravelersMichael Paul, Hideo Okuma, Hirofumi Yamamoto, Eiichiro Sumita, Shigeki Matsuda, Tohru Shimizu, Satoshi Nakamura. COLING 2008: 165-168 [doi]

2s translation proficiency using statistical translation measuresHajime Tsubaki, Keiji Yasuda, Hirofumi Yamamoto, Yoshinori Sagisaka. exling 2008: 217-220 [doi]

The NICT/ATR speech translation system for IWSLT 2008Masao Utiyama, Andrew M. Finch, Hideo Okuma, Michael Paul, Hailong Cao, Hirofumi Yamamoto, Keiji Yasuda, Eiichiro Sumita. iwslt 2008: 77-84 [doi]

Imposing Constraints from the Source Tree on ITG Constraints for SMTHirofumi Yamamoto, Hideo Okuma, Eiichiro Sumita. ssst 2008: 1-9 [doi]

Bilingual Cluster Based Models for Statistical Machine TranslationHirofumi Yamamoto, Eiichiro Sumita. ieicet, 91-D(3):588-597, 2008. [doi]

System Description of NiCT-ATR SMT for NTCIR-7Keiji Yasuda, Andrew M. Finch, Hideo Okuma, Masao Utiyama, Hirofumi Yamamoto, Eiichiro Sumita. ntcir 2008: [doi]

Method of Selecting Training Data to Build a Compact and Efficient Translation ModelKeiji Yasuda, Ruiqiang Zhang, Hirofumi Yamamoto, Eiichiro Sumita. ijcnlp 2008: 655-660 [doi]

2007

2006

Language modeling of Chinese personal names based on character units for continuous Chinese speech recognitionXinhui Hu, Hirofumi Yamamoto, Gen-ichiro Kikui, Yoshinori Sagisaka. interspeech 2006: [doi]

The ATR multilingual speech-to-speech translation systemSatoshi Nakamura, Konstantin Markov, Hiromi Nakaiwa, Gen-ichiro Kikui, H. Kawai, Takatoshi Jitsuhiro, Jin-Song Zhang, Hirofumi Yamamoto, Eiichiro Sumita, Seiichi Yamamoto. taslp, 14(2):365-376, 2006. [doi]

Speech recognition of foreign out-of-vocabulary words using a hierarchical language modelHirofumi Yamamoto, Gen-ichiro Kikui, Satoshi Nakamura, Yoshinori Sagisaka. interspeech 2006: [doi]

The niCT-ATR statistical machine translation system for the IWSLT 2006 evaluationRuiqiang Zhang, Hirofumi Yamamoto, Michael Paul, Hideo Okuma, Keiji Yasuda, Yves Lepage, Etienne Denoual, Daichi Mochihashi, Andrew M. Finch, Eiichiro Sumita. iwslt 2006: 83-90 [doi]

2005

2004

2003

2002

2001

2000

Pronunciation variants description using recognition error modeling with phonetic derivation hypothesesHideharu Nakajima, Yoshinori Sagisaka, Hirofumi Yamamoto. interspeech 2000: 1093-1096 [doi]

Rules, but what for? - rule description as efficient and robust abstraction of corpora and optimal fitting to applications -Yoshinori Sagisaka, Hirofumi Yamamoto, Minoru Tsuzaki, Hiroaki Kato. interspeech 2000: 448-451 [doi]

A hierarchical language model incorporating class-dependent word models for OOV words recognitionKoichi Tanigaki, Hirofumi Yamamoto, Yoshinori Sagisaka. interspeech 2000: 123-126 [doi]

A language model for conversational speech recognition using information designed for speech translationHirofumi Yamamoto, Kouichi Tanigaki, Yoshinori Sagisaka. interspeech 2000: 190-193 [doi]

An embedded knowledge integration for hybrid language modellingShuwu Zhang, Hirofumi Yamamoto, Yoshinori Sagisaka. interspeech 2000: 182-195 [doi]

1999

Part-of-speech n-gram and word n-gram fused language modelHirofumi Yamamoto, Yoshinori Sagisaka. interspeech 1999: 1803-1806 [doi]

Multi-class composite N-gram based on connection directionHirofumi Yamamoto, Yoshinori Sagisaka. icassp 1999: 533-536 [doi]

1998

Reliable utterance segment recognition by integrating a grammar with statistical language constraintsHajime Tsukada, Hirofumi Yamamoto, Toshiyuki Takezawa, Yoshinori Sagisaka. speech, 26(4):299-309, 1998. [doi]

Grammatical word graph re-generation for spontaneous speech recognitionHajime Tsukada, Hirofumi Yamamoto, Toshiyuki Takezawa, Yoshinori Sagisaka. interspeech 1998: [doi]

1997

Integration of grammar and statistical language constraints for partial word-sequence recognitionHajime Tsukada, Hirofumi Yamamoto, Yoshinori Sagisaka. interspeech 1997: 2759-2762 [doi]

1996

Spontaneous dialogue speech recognition using cross-word context constrained word graphsTohru Shimizu, Hirofumi Yamamoto, Hirokazu Masataki, Shoichi Matsunaga, Yoshinori Sagisaka. icassp 1996: 145-148 [doi]

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