Hiromitsu Nishizaki

144 papers A 20B 7C 14Misc 2Journal 44Unranked 57

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	A Semi-Supervised Acoustic Scene Classification Network Based on Multi-Modal Information Fusion. APSIPA Junkang Yang, Hongqing Liu, Liming Shi, Lu Gan, Hiromitsu Nishizaki, Chee Siang Leow
2025	J	`jnl`	Chinese Character Recognition based on Swin Transformer-Encoder. Digit. Signal Process. Ziying Li, Haifeng Zhao, Hiromitsu Nishizaki, Chee Siang Leow, Xingfa Shen
2025	J	`jnl`	ColabReaction: Accelerating Transition State Searches with Machine Learning Potentials on Google Colaboratory. J. Chem. Inf. Model. Masayuki Karasawa, Chee Siang Leow, Hideaki Yajima, Shuta Arai, Hiromitsu Nishizaki, Tohru Terada, Hajime Sato
2025	—	`conf`	Development of QR Code-Guided Autonomous Navigation System for Grape Cultivation Robot in Overhead Trellis Vineyard. ICIT Ren Fujimoto, Chee Siang Leow, Hideaki Yajima, Koji Makino, Xiaoyang Mao, Hiromitsu Nishizaki
2025	J	`jnl`	Enhancing the Robustness of Speech Anti-Spoofing Countermeasures through Joint Optimization and Transfer Learning. IEICE Trans. Inf. Syst. Yikang Wang, Xingming Wang, Chee Siang Leow, Qishan Zhang, Ming Li, Hiromitsu Nishizaki
2025	J	`jnl`	Handwritten Character Image Generation for Effective Data Augmentation. IEICE Trans. Inf. Syst. Chee Siang Leow, Tomoki Kitagawa, Hideaki Yajima, Hiromitsu Nishizaki
2025	—	`conf`	Improving Automatic Speech Recognition Model for Super-Elderly Voice Using Speech Synthesis Model. APSIPA Ryota Uematsu, Chee Siang Leow, Norihide Kitaoka, Hiromitsu Nishizaki
2025	J	`jnl`	Non-invasive estimation of Shine Muscat grape color and sensory evaluation from standard camera images. Vis. Comput. Ryosuke Shimazu, Chee Siang Leow, Prawit Buayai, Xiaoyang Mao, Wan-Young Chung, Hiromitsu Nishizaki
2025	J	`jnl`	Optimizing mRNA Vaccine Degradation Prediction via Penalized Dropout Approaches. IEEE Access Hwai Ing Soon, Azian Azamimi Abdullah, Hiromitsu Nishizaki, Latifah Munirah Kamarudin
2025	—	`conf`	Speech-Content-Driven Highlighting of Translated Lecture Slides for Foreign Language Lecture Understanding. APSIPA Naoki Muto, Chee Siang Leow, Junichi Hoshino, Takehito Utsuro, Hiromitsu Nishizaki
2025	A	`conf`	VCapAV: A Video-Caption Based Audio-Visual Deepfake Detection Dataset. INTERSPEECH Yuxi Wang, Yikang Wang, Qishan Zhang, Hiromitsu Nishizaki, Ming Li
2024	C	`conf`	Analysis of Acute Stress Reaction with EEG using MI-mRMR EEG Channel Selection and Ensemble Learning with Majority Voting. CW Muhammad Rasydan Mazlan, Abdul Syafiq Abdull Sukor, Abdul Hamid Adom, Latifah Munirah Kamarudin, Hiromitsu Nishizaki, Norasmadi Abdul Rahim
2024	J	`jnl`	Analysis of Classroom Processes Based on Deep Learning With Video and Audio Features. IEEE Access Chuo Hiang Heng, Masahiro Toyoura, Chee Siang Leow, Hiromitsu Nishizaki
2024	—	`conf`	Assessment and Improvement of Customer Service Speech with Multiple Large Language Models. APSIPA So Watanabe, Chee Siang Leow, Junichi Hoshino, Takehito Utsuro, Hiromitsu Nishizaki
2024	—	`conf`	Development of GUI application for multimodal analysis for evaluation of swallowing function. GCCE Shuto Nakagomi, Yutaka Suzuki, Masayuki Morisawa, Hiromitsu Nishizaki, Hideaki Muramatsu, Motoki Arakawa
2024	C	`conf`	Development of a Fruit Theft Reporting System Using a Compact Microcontroller with Deep Learning Based on Suspicious Sounds. IECON Chee Siang Leow, Tsutomu Tanzawa, Tze Yaw Bong, Koji Makino, Kazuyoshi Ishida, Hiromitsu Nishizaki
2024	J	`jnl`	Enhancing Anti-spoofing Countermeasures Robustness through Joint Optimization and Transfer Learning. CoRR Yikang Wang, Xingming Wang, Hiromitsu Nishizaki, Ming Li
2024	—	`conf`	Evaluation of LoRa-based Long-Range Communication in a Fruit Theft Prevention Device. GCCE Kazuyoshi Ishida, Chee Siang Leow, Tsutomu Tanzawa, Tze Yaw Bong, Hiromitsu Nishizaki, Koji Makino
2024	—	`conf`	Evaluation of Speech Translation Subtitles Generated by ASR with Unnecessary Word Detection. GCCE Makoto Hotta, Chee Siang Leow, Norihide Kitaoka, Hiromitsu Nishizaki
2024	C	`conf`	High Quality Color Estimation of Shine Muscat Grape Using Vision Transformer. CW Ryosuke Shimazu, Chee Siang Leow, Prawit Buayai, Koji Makino, Xiaoyang Mao, Hiromitsu Nishizaki
2024	J	`jnl`	Overview of Dialogue Robot Competition 2023. CoRR Takashi Minato, Ryuichiro Higashinaka, Kurima Sakai, Tomo Funayama, Hiromitsu Nishizaki, Takayuki Nagai
2024	C	`conf`	Prediction Model with Penalized Hyperparameter Optimization for mRNA Vaccine Degradation Based on Tetra-nitrogenous-base Analysis. CW Hwai Ing Soon, Azian Azamimi Abdullah, Hiromitsu Nishizaki, Latifah Munirah Kamarudin
2024	J	`jnl`	Special issue on multimodal processing and robotics for dialogue systems (Part II). Adv. Robotics David Traum, Gabriel Skantze, Hiromitsu Nishizaki, Ryuichiro Higashinaka, Takashi Minato, Takayuki Nagai
2024	—	`conf`	Text Detection and Style Classification from Images Using Vision Transformer and Transformer Decoder. GCCE Hideaki Yajima, Chee Siang Leow, Hiromitsu Nishizaki
2024	—	`conf`	The Database and Benchmark For the Source Speaker Tracing Challenge 2024. SLT Ze Li, Yuke Lin, Tian Yao, Hongbin Suo, Pengyuan Zhang, Yanzhen Ren, Zexin Cai, Hiromitsu Nishizaki, Ming Li
2024	C	`conf`	The dynamic load-induced bioelectric potentials of knee joint. CW Jae Hyun Lee, Ye-Seul Jang, Hiromitsu Nishizaki, Won-Du Chang
2023	J	`jnl`	3D grape bunch model reconstruction from 2D images. Comput. Electron. Agric. Yan San Woo, Zhuguang Li, Shun Tamura, Prawit Buayai, Hiromitsu Nishizaki, Koji Makino, Latifah Munirah Kamarudin, Xiaoyang Mao
2023	J	`jnl`	A Lightweight End-to-End Speech Recognition System on Embedded Devices. IEICE Trans. Inf. Syst. Yu Wang, Hiromitsu Nishizaki
2023	J	`jnl`	A new speech corpus of super-elderly Japanese for acoustic modeling. Comput. Speech Lang. Meiko Fukuda, Ryota Nishimura, Hiromitsu Nishizaki, Koharu Horii, Yurie Iribe, Kazumasa Yamamoto, Norihide Kitaoka
2023	A	`conf`	Automatic Exploration of Optimal Data Processing Operations for Sound Data Augmentation Using Improved Differentiable Automatic Data Augmentation. INTERSPEECH Toki Sugiura, Hiromitsu Nishizaki
2023	J	`jnl`	Comparative Evaluation of Diverse Features in Fluency Evaluation of Spontaneous Speech. IEICE Trans. Inf. Syst. Huaijin Deng, Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki
2023	—	`conf`	Data Augmentation with Automatically Generated Images for Character Classifier Model Training. GCCE Chee Siang Leow, Tomoki Kitagawa, Hideaki Yajima, Hiromitsu Nishizaki
2023	J	`jnl`	Design of a competition specifically for spoken dialogue with a humanoid robot. Adv. Robotics Takashi Minato, Ryuichiro Higashinaka, Kurima Sakai, Tomo Funayama, Hiromitsu Nishizaki, Takayuki Nagai
2023	J	`jnl`	End-to-end lightweight berry number prediction for supporting table grape cultivation. Comput. Electron. Agric. Yan San Woo, Prawit Buayai, Hiromitsu Nishizaki, Koji Makino, Latifah Munirah Kamarudin, Xiaoyang Mao
2023	—	`conf`	Image Remapping Data Augmentation Approach for Improving Fisheye Face Recognition. GCCE Yinghao He, Chee Siang Leow, Hiromitsu Nishizaki
2023	—	`conf`	Metric Learning Approach for End-to-End Multilingual Automatic Speech Recognition Model. GCCE Akihiro Dobashi, Chee Siang Leow, Hiromitsu Nishizaki
2023	J	`jnl`	Pretraining Conformer with ASR or ASV for Anti-Spoofing Countermeasure. CoRR Yikang Wang, Hiromitsu Nishizaki, Ming Li
2023	J	`jnl`	Proceedings of the Dialogue Robot Competition 2023. CoRR Ryuichiro Higashinaka, Takashi Minato, Hiromitsu Nishizaki, Takayuki Nagai
2023	—	`conf`	Proposal of a method for evaluating biological responses during swallowing using the LF/HF change rate. GCCE Shuto Nakagomi, Yutaka Suzuki, Masayuki Morisawa, Hiromitsu Nishizaki, Takao Kubo
2023	J	`jnl`	Single-Line Text Detection in Multi-Line Text with Narrow Spacing for Line-Based Character Recognition. IEICE Trans. Inf. Syst. Chee Siang Leow, Hideaki Yajima, Tomoki Kitagawa, Hiromitsu Nishizaki
2023	J	`jnl`	Special Issue on Multimodal processing and robotics for dialogue systems (Part 1). Adv. Robotics David Traum, Gabriel Skantze, Hiromitsu Nishizaki, Ryuichiro Higashinaka, Takashi Minato, Takayuki Nagai
2023	J	`jnl`	Supporting table grape berry thinning with deep neural network and augmented reality technologies. Comput. Electron. Agric. Prawit Buayai, Kabin Yok-In, Daisuke Inoue, Hiromitsu Nishizaki, Koji Makino, Xiaoyang Mao
2022	J	`jnl`	Appropriate grape color estimation based on metric learning for judging harvest timing. Vis. Comput. Tatsuyoshi Amemiya, Chee Siang Leow, Prawit Buayai, Koji Makino, Xiaoyang Mao, Hiromitsu Nishizaki
2022	—	`conf`	Automatic Selection of Appropriate Data Augmentation Operation for Acoustic Scene Classification Model Training. GCCE Toki Sugiura, Akio Kobayashi, Takehito Utsuro, Hiromitsu Nishizaki
2022	J	`jnl`	Combination of Time-domain, Frequency-domain, and Cepstral-domain Acoustic Features for Speech Commands Classification. CoRR Yikang Wang, Hiromitsu Nishizaki
2022	—	`conf`	Dialogue Robot Competition for the Development of an Android Robot with Hospitality. GCCE Ryuichiro Higashinaka, Takashi Minato, Kurima Sakai, Tomo Funayama, Hiromitsu Nishizaki, Takayuki Nagai
2022	C	`conf`	End-to-End Speech to Braille Translation in Japanese. ICCE Akio Kobayashi, Junji Onishi, Hiromitsu Nishizaki, Norihide Kitaoka
2022	B	`conf`	Handwritten Character Generation using Y-Autoencoder for Character Recognition Model Training. LREC Tomoki Kitagawa, Chee Siang Leow, Hiromitsu Nishizaki
2022	—	`conf`	Low Pass Filtering and Bandwidth Extension for Robust Anti-spoofing Countermeasure Against Codec Variabilities. ISCSLP Yikang Wang, Xingming Wang, Hiromitsu Nishizaki, Ming Li
2022	J	`jnl`	Low Pass Filtering and Bandwidth Extension for Robust Anti-spoofing Countermeasure Against Codec Variabilities. CoRR Yikang Wang, Xingming Wang, Hiromitsu Nishizaki, Ming Li
2022	J	`jnl`	Non-Contact Breathing Monitoring Using Sleep Breathing Detection Algorithm (SBDA) Based on UWB Radar Sensors. Sensors Muhammad Husaini, Latifah Munirah Kamarudin, Ammar Zakaria, Intan Kartika Kamarudin, Muhammad Amin Ibrahim, Hiromitsu Nishizaki, Masahiro Toyoura, Xiaoyang Mao
2022	J	`jnl`	Overview of Dialogue Robot Competition 2022. CoRR Takashi Minato, Ryuichiro Higashinaka, Kurima Sakai, Tomo Funayama, Hiromitsu Nishizaki, Takayuki Nagai
2022	Misc	`conf`	Peer Collaborative Learning for Polyphonic Sound Event Detection. ICASSP Hayato Endo, Hiromitsu Nishizaki
2022	J	`jnl`	Proceedings of the Dialogue Robot Competition 2022. CoRR Ryuichiro Higashinaka, Takashi Minato, Hiromitsu Nishizaki, Takayuki Nagai
2022	—	`conf`	Usability of Instrument for a Farm Product in a Real Farm. LifeTech Koji Makino, Hiromitsu Nishizaki, Akihito Usui, Xiaoyang Mao
2021	—	`conf`	Audio Synthesis-based Data Augmentation Considering Audio Event Class. GCCE Toki Sugiura, Akio Kobayashi, Takehito Utsuro, Hiromitsu Nishizaki
2021	—	`conf`	Comparison of Static and Time-Sequential Features in Automatic Fluency Detection of Spontaneous Speech. O-COCOSDA Huaijin Deng, Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki
2021	—	`conf`	Corpus Design and Automatic Speech Recognition for Deaf and Hard-of-Hearing People. GCCE Akio Kobayashi, Keiichi Yasu, Hiromitsu Nishizaki, Norihide Kitaoka
2021	C	`conf`	Development of a Support System for Judging the Appropriate Timing for Grape Harvesting. CW Tatsuyoshi Amemiya, Kodai Akiyama, Chee Siang Leow, Prawit Buayai, Koji Makino, Xiaoyang Mao, Hiromitsu Nishizaki
2021	C	`conf`	End-to-End Inflorescence Measurement for Supporting Table Grape Trimming with Augmented Reality. CW Prawit Buayai, Kabin Yok-In, Daisuke Inoue, Chee Siang Leow, Hiromitsu Nishizaki, Koji Makino, Xiaoyang Mao
2021	—	`conf`	Evaluation of a Gait Analysis Tool Using Posture Estimation Technology in Clinical Rehabilitation. LifeTech Kanae Nishizaki, Tatsuki Izumiura, Hiromitsu Nishizaki, Shin-Ichi Izumi, Hitoshi Ikegami
2021	—	`conf`	ExKaldi-RT: A Real-Time Automatic Speech Recognition Extension Toolkit of Kaldi. GCCE Yu Wang, Chee Siang Leow, Akio Kobayashi, Takehito Utsuro, Hiromitsu Nishizaki
2021	J	`jnl`	ExKaldi-RT: A Real-Time Automatic Speech Recognition Extension Toolkit of Kaldi. CoRR Yu Wang, Chee Siang Leow, Akio Kobayashi, Takehito Utsuro, Hiromitsu Nishizaki
2021	A	`conf`	Language and Speaker-Independent Feature Transformation for End-to-End Multilingual Speech Recognition. Interspeech Tomoaki Hayakawa, Chee Siang Leow, Akio Kobayashi, Takehito Utsuro, Hiromitsu Nishizaki
2021	J	`jnl`	Peer Collaborative Learning for Polyphonic Sound Event Detection. CoRR Hayato Endo, Hiromitsu Nishizaki
2021	J	`jnl`	Real-Time In-Vehicle Air Quality Monitoring System Using Machine Learning Prediction Algorithm. Sensors Chew Cheik Goh, Latifah Munirah Kamarudin, Ammar Zakaria, Hiromitsu Nishizaki, Nuraminah Ramli, Xiaoyang Mao, Syed Muhammad Mamduh Syed Zakaria, Ericson Kanagaraj, Abdul Syafiq Abdull Sukor, Md. Fauzan Elham
2021	C	`conf`	Semi-Supervised Learning for Aspect-Based Sentiment Analysis. CW Hang Zheng, Jianhui Zhang, Yoshimi Suzuki, Fumiyo Fukumoto, Hiromitsu Nishizaki
2021	C	`conf`	Supporting Vine Vegetation Status Observation Using AR. CW Daisuke Inoue, Prawit Buayai, Hiromitsu Nishizaki, Koji Makino, Xiaoyang Mao
2021	A	`conf`	Voice Activity Detection for Live Speech of Baseball Game Based on Tandem Connection with Speech/Noise Separation Model. Interspeech Yuto Nonaka, Chee Siang Leow, Akio Kobayashi, Takehito Utsuro, Hiromitsu Nishizaki
2020	—	`conf`	Analysis of Bit Sequence Representation for Sound Classification. APSIPA Yikang Wang, Masaki Okawa, Hiromitsu Nishizaki
2020	Misc	`conf`	Automatic Fluency Evaluation of Spontaneous Speech Using Disfluency-Based Features. ICASSP Huaijin Deng, Youchao Lin, Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki, Junichi Hoshino
2020	—	`conf`	Classification of a Pincer Nail Using a Recurrent-based Neural Network. SII Koji Makino, Youichi Ogawa, Zhen Liu, Kazuki Yamada, Hiromitsu Nishizaki, Shinji Shimada, Tatsuyoshi Kawamura, Hidetsugu Terada
2020	—	`conf`	Development of a Low-Latency and Real-Time Automatic Speech Recognition System. GCCE Chee Siang Leow, Tomoaki Hayakawa, Hiromitsu Nishizaki, Norihide Kitaoka
2020	—	`conf`	ExKaldi: A Python-based Extension Tool of Kaldi. GCCE Yu Wang, Chee Siang Leow, Hiromitsu Nishizaki, Akio Kobayashi, Takehito Utsuro
2020	B	`conf`	Improving Speech Recognition for the Elderly: A New Corpus of Elderly Japanese Speech and Investigation of Acoustic Modeling for Speech Recognition. LREC Meiko Fukuda, Hiromitsu Nishizaki, Yurie Iribe, Ryota Nishimura, Norihide Kitaoka
2020	B	`conf`	Integrating Disfluency-based and Prosodic Features with Acoustics in Automatic Fluency Evaluation of Spontaneous Speech. LREC Huaijin Deng, Youchao Lin, Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki, Junichi Hoshino
2020	B	`conf`	Semi-Automatic Construction and Refinement of an Annotated Corpus for a Deep Learning Framework for Emotion Classification. LREC Jiajun Xu, Kyosuke Masuda, Hiromitsu Nishizaki, Fumiyo Fukumoto, Yoshimi Suzuki
2020	C	`conf`	Sentiment analysis using semi-supervised learning with few labeled data. CW Yuhao Pan, Zhiqun Chen, Yoshimi Suzuki, Fumiyo Fukumoto, Hiromitsu Nishizaki
2020	—	`conf`	Spoken Dialog Training System for Customer Service Improvement. APSIPA Yuta Sano, Chee Siang Leow, Soichiro Iida, Takehito Utsuro, Junichi Hoshino, Akio Kobayashi, Hiromitsu Nishizaki
2019	—	`conf`	A New Corpus of Elderly Japanese Speech for Acoustic Modeling, and a Preliminary Investigation of Dialect-Dependent Speech Recognition. O-COCOSDA Meiko Fukuda, Ryota Nishimura, Hiromitsu Nishizaki, Yurie Iribe, Norihide Kitaoka
2019	J	`jnl`	A hybrid approach of knowledge-driven and data-driven reasoning for activity recognition in smart homes. J. Intell. Fuzzy Syst. Abdul Syafiq Abdull Sukor, Ammar Zakaria, Norasmadi Abdul Rahim, Latifah Munirah Kamarudin, Rossi Setchi, Hiromitsu Nishizaki
2019	—	`conf`	Abnormality Detection Approach using Deep Learning Models in Smart Home Environments. ICCBN Abdul Syafiq Abdull Sukor, Ammar Zakaria, Norasmadi Abdul Rahim, Latifah Munirah Kamarudin, Hiromitsu Nishizaki
2019	—	`conf`	Application of Sequence Input and Output Long Short-Term Memory Neural Networks for Autonomous Gas Source Localization in an Outdoor Environment. ISOEN Akifumi Yamamoto, Christian Bilgera, Maki Sawano, Haruka Matsukura, Naoki Sawada, Chee Siang Leow, Hiromitsu Nishizaki, Hiroshi Ishida
2019	A	`conf`	Audio Classification of Bit-Representation Waveform. INTERSPEECH Masaki Okawa, Takuya Saito, Naoki Sawada, Hiromitsu Nishizaki
2019	J	`jnl`	Audio Classification of Bit-Representation Waveform. CoRR Masaki Okawa, Takuya Saito, Naoki Sawada, Hiromitsu Nishizaki
2019	—	`conf`	BERT based Web Mining of Concerns and Reviews for TV Drama Audience. WI (Companion) Kota Kawaguchi, Ryoma Kubo, Takuya Fujita, Tatsuya Maeda, Takehito Utsuro, Akio Kobayashi, Hiromitsu Nishizaki, Yasuhide Kawada
2019	C	`conf`	Classification of Swing Motion of Tennis using a Recurrent-based Neural Network. HSI Koji Makino, Yudai Kitano, Hiromitsu Nishizaki
2019	—	`conf`	Scenario-based Customer Service VR Training System with Honorific Exercise. ICBBE Soichiro Iida, Takehito Utsuro, Hiromitsu Nishizaki, Junichi Hoshino
2018	—	`conf`	A Task Manual Creation Support System Using Automatic Speech Recognition. GCCE Chee Siang Leow, Hiromitsu Nishizaki
2018	—	`conf`	Construction of a Corpus for Elderly Japanese Speech Recognition. GCCE Meiko Fukuda, Hiromitsu Nishizaki, Ryota Nishimura, Yurie Iribe, Norihide Kitaoka
2017	—	`conf`	Acoustic modeling with a shared phoneme set for multilingual speech recognition without code-switching. APSIPA Shogo Hara, Hiromitsu Nishizaki
2017	—	`conf`	Data augmentation and feature extraction using variational autoencoder for acoustic modeling. APSIPA Hiromitsu Nishizaki
2017	—	`conf`	Emotion classification of spontaneous speech using spoken term detection. GCCE Hiromitsu Nishizaki, Kei Watase
2017	A	`conf`	Parallel Hierarchical Attention Networks with Shared Memory Reader for Multi-Stream Conversational Document Classification. INTERSPEECH Naoki Sawada, Ryo Masumura, Hiromitsu Nishizaki
2017	C	`conf`	Usability and Learning Effect Evaluations of an Electrical Note-Taking Support System with Speech Processing Technologies. ICCE Hiromitsu Nishizaki, Yosuke Narita
2016	—	`conf`	Evaluation of DNN-based Phoneme Estimation Approach on the NTCIR-12 SpokenQuery&Doc-2 SQ-STD Subtask. NTCIR Naoki Sawada, Hiromitsu Nishizaki
2016	—	`conf`	Overview of the NTCIR-12 SpokenQuery&Doc-2 Task. NTCIR Tomoyosi Akiba, Hiromitsu Nishizaki, Hiroaki Nanjo, Gareth J. F. Jones
2016	J	`jnl`	Re-Ranking Approach of Spoken Term Detection Using Conditional Random Fields-Based Triphone Detection. IEICE Trans. Inf. Syst. Naoki Sawada, Hiromitsu Nishizaki
2016	A	`conf`	Recurrent Neural Network-Based Phoneme Sequence Estimation Using Multiple ASR Systems' Outputs for Spoken Term Detection. INTERSPEECH Naoki Sawada, Hiromitsu Nishizaki
2016	J	`jnl`	Spoken Term Detection Using SVM-Based Classifier Trained with Pre-Indexed Keywords. IEICE Trans. Inf. Syst. Kentaro Domoto, Takehito Utsuro, Naoki Sawada, Hiromitsu Nishizaki
2015	—	`conf`	Score normalization using phoneme-based entropy for spoken term detection. APSIPA Hiromitsu Nishizaki, Naoki Sawada
2015	A	`conf`	Two-step spoken term detection using SVM classifier trained with pre-indexed keywords based on ASR result. INTERSPEECH Kentaro Domoto, Takehito Utsuro, Naoki Sawada, Hiromitsu Nishizaki
2014	—	`conf`	Combination of DTW-based and CRF-based Spoken Term Detection on the NTCIR-11 SpokenQuery&Doc SQ-STD Subtask. NTCIR Hiromitsu Nishizaki, Naoki Sawada, Satoshi Natori, Kentaro Domoto, Takehito Utsuro
2014	—	`conf`	Overview of the NTCIR-11 SpokenQuery&Doc Task. NTCIR Tomoyosi Akiba, Hiromitsu Nishizaki, Hiroaki Nanjo, Gareth J. F. Jones
2014	—	`conf`	Re-ranking of spoken term detections using CRF-based triphone detection models. APSIPA Naoki Sawada, Satoshi Natori, Hiromitsu Nishizaki
2014	—	`conf`	Selection of best match keyword using spoken term detection for spoken document indexing. APSIPA Kentaro Domoto, Takehito Utsuro, Naoki Sawada, Hiromitsu Nishizaki
2013	—	`conf`	Entropy-based false detection filtering in spoken term detection tasks. APSIPA Satoshi Natori, Yuto Furuya, Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2013	J	`jnl`	Evaluation Framework Design of Spoken Term Detection Study at the NTCIR-9 IR for Spoken Documents Task. Inf. Media Technol. Hiromitsu Nishizaki, Tomoyosi Akiba, Kiyoaki Aikawa, Tatsuya Kawahara, Tomoko Matsui
2013	—	`conf`	Evaluation of the usefulness of spoken term detection in an electronic note-taking support system. APSIPA Chifuyu Yonekura, Yuto Furuya, Satoshi Natori, Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2013	—	`conf`	Overview of the NTCIR-10 SpokenDoc-2 Task. NTCIR Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Xinhui Hu, Yoshiaki Itoh, Tatsuya Kawahara, Seiichi Nakagawa, Hiroaki Nanjo, Yoichi Yamashita
2013	—	`conf`	STD and SCR Techniques and Their Evaluations on the NTCIR-10 SpokenDoc-2 Task. NTCIR Yuto Furuya, Daiki Nakagomi, Satoshi Natori, Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2013	J	`jnl`	Spoken Term Detection Using Phoneme Transition Network from Multiple Speech Recognizers' Outputs. Inf. Media Technol. Satoshi Natori, Yuto Furuya, Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2013	J	`jnl`	Spoken Term Detection Using Phoneme Transition Network from Multiple Speech Recognizers' Outputs. J. Inf. Process. Satoshi Natori, Yuto Furuya, Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2012	B	`conf`	Designing an Evaluation Framework for Spoken Term Detection and Spoken Document Retrieval at the NTCIR-9 SpokenDoc Task. LREC Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Tatsuya Kawahara, Tomoko Matsui
2012	—	`conf`	Development of note-taking support system with speech interface. APSIPA Kohei Ota, Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2012	—	`conf`	Introduction of false detection control parameters in spoken term detection. APSIPA Yuto Furuya, Satoshi Natori, Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2011	—	`conf`	Overview of the IR for Spoken Documents Task in NTCIR-9 Workshop. NTCIR Tomoyosi Akiba, Hiromitsu Nishizaki, Kiyoaki Aikawa, Tatsuya Kawahara, Tomoko Matsui
2011	—	`conf`	Spoken Term Detection Using Multiple Speech Recognizers' Outputs at NTCIR-9 SpokenDoc STD subtask. NTCIR Hiromitsu Nishizaki, Yuto Furuya, Satoshi Natori, Yoshihiro Sekiguchi
2011	C	`conf`	Utterance verification using garbage words for a hospital appointment system with speech interface. ASRU Mitsuru Takaoka, Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2010	A	`conf`	Constructing Japanese test collections for spoken term detection. INTERSPEECH Yoshiaki Itoh, Hiromitsu Nishizaki, Xinhui Hu, Hiroaki Nanjo, Tomoyosi Akiba, Tatsuya Kawahara, Seiichi Nakagawa, Tomoko Matsui, Yoichi Yamashita, Kiyoaki Aikawa
2010	A	`conf`	Japanese spoken term detection using syllable transition network derived from multiple speech recognizers' outputs. INTERSPEECH Satoshi Natori, Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2009	J	`jnl`	Construction of a Test Collection for Spoken Document Retrieval from Lecture Audio Data. Inf. Media Technol. Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tatsuya Kawahara, Hiroaki Nanjo, Hiromitsu Nishizaki, Norihito Yasuda, Yoichi Yamashita, Katunobu Itou
2009	J	`jnl`	Construction of a Test Collection for Spoken Document Retrieval from Lecture Audio Data. J. Inf. Process. Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tatsuya Kawahara, Hiroaki Nanjo, Hiromitsu Nishizaki, Norihito Yasuda, Yoichi Yamashita, Katunobu Itou
2008	B	`conf`	Developing Corpus of Japanese Classroom Lecture Speech Contents. LREC Masatoshi Tsuchiya, Satoru Kogure, Hiromitsu Nishizaki, Kengo Ohta, Seiichi Nakagawa
2008	A	`conf`	Is a speech recognizer useful for characteristic analysis of classroom lecture speech? INTERSPEECH Kenji Kobayashi, Mitsuhiro Somiya, Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2008	A	`conf`	Speech recognition performance of CJLC: corpus of Japanese lecture contents. INTERSPEECH Satoru Kogure, Hiromitsu Nishizaki, Masatoshi Tsuchiya, Kazumasa Yamamoto, Shingo Togashi, Seiichi Nakagawa
2008	B	`conf`	Test Collections for Spoken Document Retrieval from Lecture Audio Data. LREC Tomoyosi Akiba, Kiyoaki Aikawa, Yoshiaki Itoh, Tatsuya Kawahara, Hiroaki Nanjo, Hiromitsu Nishizaki, Norihito Yasuda, Yoichi Yamashita, Katunobu Itou
2007	A	`conf`	The effect of filled pauses in a lecture speech on impressive evaluation of listeners. INTERSPEECH Hiromitsu Nishizaki, Mitsuhiro Somiya, Kenji Kobayashi, Yoshihiro Sekiguchi
2006	—	`conf`	Word Error Correction of Continuous Speech Recognition Using WEB Documents for Spoken Document Indexing. ICCPOL Hiromitsu Nishizaki, Yoshihiro Sekiguchi
2005	J	`jnl`	An Unsupervised Speaker Adaptation Method for Lecture-Style Spontaneous Speech Recognition Using Multiple Recognition Systems. IEICE Trans. Inf. Syst. Seiichi Nakagawa, Tomohiro Watanabe, Hiromitsu Nishizaki, Takehito Utsuro
2005	J	`jnl`	Combining outputs of multiple LVCSR models by machine learning. Syst. Comput. Jpn. Takehito Utsuro, Yasuhiro Kodama, Tomohiro Watanabe, Hiromitsu Nishizaki, Seiichi Nakagawa
2005	J	`jnl`	Improving Keyword Recognition of Spoken Queries by Combining Multiple Speech Recognizer's Outputs for Speech-driven WEB Retrieval Task. IEICE Trans. Inf. Syst. Masahiko Matsushita, Hiromitsu Nishizaki, Takehito Utsuro, Seiichi Nakagawa
2004	—	`conf`	An Empirical Study on Multiple LVCSR Model Combination by Machine Learning. HLT-NAACL (Short Papers) Takehito Utsuro, Yasuhiro Kodama, Tomohiro Watanabe, Hiromitsu Nishizaki, Seiichi Nakagawa
2004	J	`jnl`	Estimating high-confidence portions based on agreement among outputs of multiple LVCSR models. Syst. Comput. Jpn. Takehito Utsuro, Hiromitsu Nishizaki, Yasuhiro Kodama, Seiichi Nakagawa
2004	A	`conf`	Keyword recognition and extraction by multiple-LVCSRs with 60, 000 words in speech-driven WEB retrieval task. INTERSPEECH Masahiko Matsushita, Hiromitsu Nishizaki, Seiichi Nakagawa, Takehito Utsuro
2004	J	`jnl`	Robust spoken document retrieval methods for misrecognition and out-of-vocabulary keywords. Syst. Comput. Jpn. Hiromitsu Nishizaki, Seiichi Nakagawa
2004	A	`conf`	Unsupervised speaker adaptation using high confidence portion recognition results by multiple recognition systems. INTERSPEECH Tomohiro Watanabe, Hiromitsu Nishizaki, Takehito Utsuro, Seiichi Nakagawa
2003	—	`conf`	Confidence of agreement among multiple LVCSR models and model combination by SVM. ICASSP (1) Takehito Utsuro, Yasuhiro Kodama, Tomohiro Watanabe, Hiromitsu Nishizaki, Seiichi Nakagawa
2003	A	`conf`	Evaluating multiple LVCSR model combination in NTCIR-3 speech-driven web retrieval task. INTERSPEECH Masahiko Matsushita, Hiromitsu Nishizaki, Takehito Utsuro, Yasuhiro Kodama, Seiichi Nakagawa
2002	A	`conf`	A confidence measure based on agreement among multiple LVCSR models - correlation between pair of acoustic models and confidence. INTERSPEECH Takehito Utsuro, Tetsuji Harada, Hiromitsu Nishizaki, Seiichi Nakagawa
2002	A	`conf`	Comparing isolately spoken keywords with spontaneously spoken queries for Japanese spoken document retrieval. INTERSPEECH Hiromitsu Nishizaki, Seiichi Nakagawa
2001	A	`conf`	Experimental evaluation on confidence of agreement among multiple Japanese LVCSR models. INTERSPEECH Yasuhiro Kodama, Takehito Utsuro, Hiromitsu Nishizaki, Seiichi Nakagawa
2000	A	`conf`	A system for retrieving broadcast news speech documents using voice input keywords and similarity between words. INTERSPEECH Hiromitsu Nishizaki, Seiichi Nakagawa
1999	—	`conf`	A Retrieval System of Broadcast News Speech Documents through Keyboard and Voice. TSD Hiromitsu Nishizaki, Seiichi Nakagawa