Kazuhiro Nakadai

ORCID

Publication Activity (10 Years)

Years Active: 1995-2024
Publications (10 Years): 113

Top Venues

SII

IROS

J. Robotics Mechatronics

CoRR

Publications

Ragib Amin Nihal, Benjamin Yen, Katsutoshi Itoyama, Kazuhiro Nakadai
From Blurry to Brilliant Detection: YOLOv5-Based Aerial Object Detection with Super Resolution. CoRR (2024)
Zirui Lin, Katsutoshi Itoyama, Kazuhiro Nakadai, Hideharu Amano
FPGA-based Low Power Acceleration of HARK Sound Source Localization. COOL CHIPS (2024)
Takahiro Osaki, Yui Sudo, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Improving Noise Robustness of Automatic Speech Recognition Based on a Parallel Adapter Model with Near-Identity Initialization. IEA/AIE (2024)
Mert Bozkurtlar, Benjamin Yen, Katsutoshi Itoyama, Kazuhiro Nakadai
Real Time Sound Source Localization Using von-Mises ResNet. SII (2024)
Jiang Wang, Yuanzheng He, Daobilige Su, Katsutoshi Itoyama, Kazuhiro Nakadai, Junfeng Wu, Shoudong Huang, Youfu Li, He Kong
SLAM-based Joint Calibration of Multiple Asynchronous Microphone Arrays and Sound Source Localization. CoRR (2024)
Atsuo Hiroe, Katsutoshi Itoyama, Kazuhiro Nakadai
Can all variations within the unified mask-based beamformer framework achieve identical peak extraction performance? CoRR (2024)
Haris Gulzar, Monikka Roslianna Busto, Takeharu Eda, Katsutoshi Itoyama, Kazuhiro Nakadai
miniStreamer: Enhancing Small Conformer with Chunked-Context Masking for Streaming ASR Applications on the Edge. INTERSPEECH (2023)
Muhammad Shakeel, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Metric-Based Multimodal Meta-Learning for Human Movement Identification Via Footstep Recognition. SII (2023)
Reiji Suzuki, Shinji Sumitani, Zachary Harlow, Shiho Matsubayashi, Takaya Arita, Kazuhiro Nakadai, Hiroshi G. Okuno
Extracting Bird Vocalizations from a Complex Natural Soundscape in Forests Using Robot Audition Techniques. SII (2023)
Hidehiko Kishinami, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Reconstruction of Depth Scenes Based on Echolocation. SII (2023)
Masahiko Fujita, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
An Ensemble Method for Multiple Speech Enhancement Using Deep Learning. SII (2023)
Yuanzheng He, Jiang Wang, Daobilige Su, Kazuhiro Nakadai, Junfeng Wu, Shoudong Huang, Youfu Li, He Kong
Observability Analysis of Graph SLAM-Based Joint Calibration of Multiple Microphone Arrays and Sound Source Localization. SII (2023)
Yui Sudo, Kazuya Hata, Kazuhiro Nakadai
Retraining-free Customized ASR for Enharmonic Words Based on a Named-Entity-Aware Model and Phoneme Similarity Estimation. INTERSPEECH (2023)
Ziquan Qin, Kaijie Wei, Hideharu Amano, Kazuhiro Nakadai
Low power implementation of Geometric High-order Decorrelation-based Source Separation on an FPGA board. COOL CHIPS (2023)
Chishio Sugiyama, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Assessment of Simultaneous Calibration for Positions, Orientations, and Time Offsets in Multiple Microphone Arrays Systems. SII (2023)
Yui Sudo, Kazuya Hata, Kazuhiro Nakadai
Retraining-free Customized ASR for Enharmonic Words Based on a Named-Entity-Aware Model and Phoneme Similarity Estimation. CoRR (2023)
Takahiro Aizawa, Yoshiaki Bando, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai, Masaki Onishi
Unsupervised Domain Adaptation of Universal Source Separation Based on Neural Full-Rank Spatial Covariance Analysis. MLSP (2023)
Yui Sudo, Masayuki Takigahira, Hideo Tsuru, Kazuhiro Nakadai, Hirofumi Nakajima
Online Adaptation of Fourier Series Based Acoustic Transfer Function Model to Improve Sound Source Localization and Separation. RO-MAN (2023)
Kei Suzuki, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Audio-Visual Class Association Based on Two-stage Self-supervised Contrastive Learning towards Robust Scene Analysis. SII (2023)
Atsuo Hiroe, Katsutoshi Itoyama, Kazuhiro Nakadai
Is the Ideal Ratio Mask Really the Best? - Exploring the Best Extraction Performance and Optimal Mask of Mask-based Beamformers. CoRR (2023)
Haris Gulzar, Muhammad Shakeel, Katsutoshi Itoyama, Kazuhiro Nakadai, Kenji Nishida, Hideharu Amano, Takeharu Eda
FPGA based Power-Efficient Edge Server to Accelerate Speech Interface for Socially Assistive Robotics. SII (2023)
Tan Sihan, Khan Nabeela Khanum, Katsutoshi Itoyama, Kazuhiro Nakadai
Improving Sign Language Understanding Introducing Label Smoothing. RO-MAN (2023)
Atsuo Hiroe, Katsutoshi Itoyama, Kazuhiro Nakadai
Is the Ideal Ratio Mask Really the Best? - Exploring the Best Extraction Performance and Optimal Mask of Mask-based Beamformers. APSIPA ASC (2023)
Zhongyang Hou, Kaijie Wei, Hideharu Amano, Kazuhiro Nakadai
An FPGA off-loading of HARK sound source localization. CANDARW (2022)
Yasuhiro Kagimoto, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Spotforming by NMF Using Multiple Microphone Arrays. IROS (2022)
Yuanzheng He, Jiang Wang, Daobilige Su, Kazuhiro Nakadai, Junfeng Wu, Shoudong Huang, Youfu Li, He Kong
Observability Analysis of Graph SLAM-Based Joint Calibration of Multiple Microphone Arrays and Sound Source Localization. CoRR (2022)
Yoshiaki Bando, Takahiro Aizawa, Katsutoshi Itoyama, Kazuhiro Nakadai
Weakly-Supervised Neural Full-Rank Spatial Covariance Analysis for a Front-End System of Distant Speech Recognition. INTERSPEECH (2022)
Shiho Matsubayashi, Kazuhiro Nakadai, Reiji Suzuki, Tatsuya Ura, Makoto Hasebe, Hiroshi G. Okuno
Auditory Survey of Endangered Eurasian Bittern Using Microphone Arrays and Robot Audition. Frontiers Robotics AI 9 (2022)
Taiki Yamada, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Outdoor evaluation of sound source localization for drone groups using microphone arrays. IROS (2022)
Ryu Takeda, Yui Sudo, Kazuhiro Nakadai, Kazunori Komatani
Empirical Sampling from Latent Utterance-wise Evidence Model for Missing Data ASR based on Neural Encoder-Decoder Model. INTERSPEECH (2022)
Yui Sudo, Muhammad Shakeel, Kazuhiro Nakadai, Jiatong Shi, Shinji Watanabe
Streaming Automatic Speech Recognition with Re-blocking Processing Based on Integrated Voice Activity Detection. INTERSPEECH (2022)
Reiji Suzuki, Hao Zhao, Shinji Sumitani, Shiho Matsubayashi, Takaya Arita, Kazuhiro Nakadai, Hiroshi G. Okuno
Visualizing Directional Soundscapes of Bird Vocalizations Using Robot Audition Techniques. SII (2021)
Kazuhiro Nakadai, Masayuki Takigahira, Yusuke Kawai, Hirofumi Nakajima
Fully-Online Always-Adaptation of Transfer Functions and Its Application to Sound Source Localization and Separation. IROS (2021)
Shiho Matsubayashi, Fumiyuki Saito, Reiji Suzuki, Kazuhiro Nakadai, Hiroshi G. Okuno
Observing Nocturnal Birds Using Localization Techniques. SII (2021)
Kazuhiro Nakadai, Yosuke Fukumoto, Ryu Takeda
Investigation of Node Pruning Criteria for Neural Networks Model Compression with Non-Linear Function and Non-Uniform Network Topology. SLT (2021)
Muhammad Shakeel, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
EMC: Earthquake Magnitudes Classification on Seismic Signals via Convolutional Recurrent Networks. SII (2021)
Taiki Yamada, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Sound Source Tracking Using Integrated Direction Likelihood for Drones with Microphone Arrays. SII (2021)
Yui Sudo, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Multi-channel Environmental Sound Segmentation utilizing Sound Source Localization and Separation U-Net. SII (2021)
Yui Sudo, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Multichannel environmental sound segmentation. Appl. Intell. 51 (11) (2021)
Muhammad Shakeel, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Metric-based multimodal meta-learning for human movement identification via footstep recognition. CoRR (2021)
Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani
Spatial Normalization to Reduce Positional Complexity in Direction-aided Supervised Binaural Sound Source Separation. APSIPA ASC (2021)
Katsutoshi Itoyama, Yoshiya Morimoto, Shungo Masaki, Ryosuke Kojima, Kenji Nishida, Kazuhiro Nakadai
Assessment of von Mises-Bernoulli Deep Neural Network in Sound Source Localization. Interspeech (2021)
Muhammad Shakeel, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Detecting earthquakes: a novel deep learning-based approach for effective disaster response. Appl. Intell. 51 (11) (2021)
Zhi Zhong, Muhammad Shakeel, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Assessment of a Beamforming Implementation Developed for Surface Sound Source Separation. SII (2021)
Mizuho Wakabayashi, Kai Washizaki, Kotaro Hoshiba, Kazuhiro Nakadai, Hiroshi G. Okuno, Makoto Kumon
Design and Implementation of Real-Time Visualization of Sound Source Positions by Drone Audition. SII (2020)
Naoki Yamamoto, Kenji Nishida, Katsutoshi Itoyama, Kazuhiro Nakadai
Detection of Ball Spin Direction using Hitting Sound in Tennis. icSPORTS (2020)
Yoshiaki Asahara, Kohich Matsuda, Hirofumi Nakajima, Kazuhiro Nakadai
A Fourier series based Data compression model for Acoustic transfer function. SII (2020)
Heike Brock, Felix Law, Kazuhiro Nakadai, Yuji Nagashima
Learning Three-dimensional Skeleton Data from Sign Language Video. ACM Trans. Intell. Syst. Technol. 11 (3) (2020)
Toshinori Kagawa, Fumie Ono, Lin Shan, Ryu Miura, Kazuhiro Nakadai, Kotaro Hoshiba, Makoto Kumon, Hiroshi G. Okuno, Shin Kato, Fumihide Kojima
Multi-hop wireless command and telemetry communication system for remote operation of robots with extending operation area beyond line-of-sight using 920 MHz/169 MHz. Adv. Robotics 34 (11) (2020)
Heike Brock, Iva Farag, Kazuhiro Nakadai
Recognition of Non-Manual Content in Continuous Japanese Sign Language. Sensors 20 (19) (2020)
Yui Sudo, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Multi-channel Environmental sound segmentation. SII (2020)
Katsuhiro Dan, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Calibration of a Microphone Array Based on a Probabilistic Model of Microphone Positions. IEA/AIE (2020)
Takashi Konno, Kenji Nishida, Katsutoshi Itoyama, Kazuhiro Nakadai
Audio-Visual 3D Reconstruction Framework for Dynamic Scenes. SII (2020)
Ryosuke Hasumoto, Kazuhiro Nakadai, Michita Imai
Reactive Chameleon: A Method to Mimic Conversation Partner's Body Sway for a Robot. Int. J. Soc. Robotics 12 (1) (2020)
Toru Yamashita, Futoshi Asano, Kazuhiro Nakadai
Age Classification of Evacuees at Times of Disaster Using a Vibration Sensor. APSIPA (2020)
Kazuhiro Nakadai, Shungo Masaki, Ryosuke Kojima, Osamu Sugiyama, Katsutoshi Itoyama, Kenji Nishida
Sound Source Localization Based on von-Mises-Bernoulli Deep Neural Network. SII (2020)
Katsutoshi Itoyama, Kazuhiro Nakadai
Synchronization of Microphones Based on Rank Minimization of Warped Spectrum for Asynchronous Distributed Recording. IROS (2020)
Shinji Sumitani, Reiji Suzuki, Takemi Morimatsu, Shiho Matsubayashi, Takaya Arita, Kazuhiro Nakadai, Hiroshi G. Okuno
Soundscape Analysis of Bird Songs in Forests Using Microphone Arrays. SII (2020)
Kazuhiro Nakadai, Hiroshi G. Okuno
Robot Audition and Computational Auditory Scene Analysis. Adv. Intell. Syst. 2 (9) (2020)
Zhi Zhong, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Design and Assessment of a Scan-and-sum Beamformer for Surface Sound Source Separation. SII (2020)
Taiki Yamada, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Sound Source Tracking by Drones with Microphone Arrays. SII (2020)
Yui Sudo, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Sound event aware environmental sound segmentation with Mask U-Net. Adv. Robotics 34 (20) (2020)
Daniel Gabriel, Ryosuke Kojima, Kotaro Hoshiba, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Design and assessment of multiple-sound source localization using microphone arrays. SII (2019)
Shinji Sumitani, Reiji Suzuki, Naoaki Chiba, Shiho Matsubayashi, Takaya Arita, Kazuhiro Nakadai, Hiroshi Gitchang Okuno
An Integrated Framework for Field Recording, Localization, Classification and Annotation of Birdsongs Using Robot Audition Techniques - Harkbird 2.0. ICASSP (2019)
Makoto Kumon, Kai Washizaki, Kazuhiro Nakadai
Close Sound Source Localization incorporating Semi-Supervised Variational Bayesian NMF. SII (2019)
Kazuhiro Nakadai, Emilia I. Barakova, Michita Imai, Tetsunari Inamura
Special issue on robot and human interactive communication. Adv. Robotics 33 (15-16) (2019)
Nelson Yalta, Shinji Watanabe, Takaaki Hori, Kazuhiro Nakadai, Tetsuya Ogata
. EUSIPCO (2019)
Kazuhiro Nakadai, Emilia I. Barakova, Michita Imai, Tetsunari Inamura
Special issue on robot and human interactive communication. Adv. Robotics 33 (7-8) (2019)
Yui Sudo, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Improvement of DOA Estimation by using Quaternion Output in Sound Event Localization and Detection. DCASE (2019)
Zhaofeng Zhang, Kazuhiro Nakadai, Hirofumi Nakajima, Naoaki Sumida
Acoustic Simulation in Dynamic Environments for Robot Audition. EUSIPCO (2019)
Daniel Gabriel, Ryosuke Kojima, Kotaro Hoshiba, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
2D sound source position estimation using microphone arrays and its application to a VR-based bird song analysis system. Adv. Robotics 33 (7-8) (2019)
Nelson Yalta, Shinji Watanabe, Kazuhiro Nakadai, Tetsuya Ogata
Weakly-Supervised Deep Recurrent Neural Networks for Basic Dance Step Generation. IJCNN (2019)
Yui Sudo, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Environmental sound segmentation utilizing Mask U-Net. IROS (2019)
Ryosuke Taniguchi, Kotaro Hoshiba, Katsutoshi Itoyama, Kenji Nishida, Kazuhiro Nakadai
Signal Restoration based on Bi-directional LSTM with Spectral Filtering for Robot Audition. RO-MAN (2018)
Nelson Yalta, Shinji Watanabe, Takaaki Hori, Kazuhiro Nakadai, Tetsuya Ogata
CNN-based MultiChannel End-to-End Speech Recognition for everyday home environments. CoRR (2018)
Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani
Multi-timescale Feature-extraction Architecture of Deep Neural Networks for Acoustic Model Training from Raw Speech Signal. IROS (2018)
Shinji Sumitani, Reiji Suzuki, Shiho Matsubayashi, Takaya Arita, Kazuhiro Nakadai, Hiroshi G. Okuno
Extracting the Relationship between the Spatial Distribution and Types of Bird Vocalizations Using Robot Audition System HARK. IROS (2018)
Agathe Balayn, Heike Brock, Kazuhiro Nakadai
Data-driven development of Virtual Sign Language Communication Agents. RO-MAN (2018)
Yoshiaki Bando, Katsutoshi Itoyama, Masashi Konyo, Satoshi Tadokoro, Kazuhiro Nakadai, Kazuyoshi Yoshii, Tatsuya Kawahara, Hiroshi G. Okuno
Speech Enhancement Based on Bayesian Low-Rank and Sparse Decomposition of Multichannel Magnitude Spectrograms. IEEE ACM Trans. Audio Speech Lang. Process. 26 (2) (2018)
Heike Brock, Kazuhiro Nakadai
Deep JSLC: A Multimodal Corpus Collection for Data-driven Generation of Japanese Sign Language Expressions. LREC (2018)
Heike Brock, Shigeaki Nishina, Kazuhiro Nakadai
To animate or anime-te?: Investigating sign avatar comprehensibility. IVA (2018)
Nelson Yalta, Shinji Watanabe, Kazuhiro Nakadai, Tetsuya Ogata
Weakly Supervised Deep Recurrent Neural Networks for Basic Dance Step Generation. CoRR (2018)
Kotaro Hoshiba, Kazuhiro Nakadai, Makoto Kumon, Hiroshi G. Okuno
Assessment of MUSIC-Based Noise-Robust Sound Source Localization with Active Frequency Range Filtering. J. Robotics Mechatronics 30 (3) (2018)
Ryosuke Kojima, Osamu Sugiyama, Kotaro Hoshiba, Reiji Suzuki, Kazuhiro Nakadai
HARK-Bird-Box: A Portable Real-time Bird Song Scene Analysis System. IROS (2018)
Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani
Acoustic model training based on node-wise weight boundary model for fast and small-footprint deep neural networks. Comput. Speech Lang. 46 (2017)
Ryosuke Kojima, Osamu Sugiyama, Kotaro Hoshiba, Reiji Suzuki, Kazuhiro Nakadai
A Spatial-Cue-Based Probabilistic Model for Bird Song Scene Analysis. DSAA (2017)
Osamu Sugiyama, Satoshi Uemura, Akihide Nagamine, Ryosuke Kojima, Keisuke Nakamura, Kazuhiro Nakadai
Outdoor Acoustic Event Identification with DNN Using a Quadrotor-Embedded Microphone Array. J. Robotics Mechatronics 29 (1) (2017)
Kotaro Hoshiba, Osamu Sugiyama, Akihide Nagamine, Ryosuke Kojima, Makoto Kumon, Kazuhiro Nakadai
Design and Assessment of Sound Source Localization System with a UAV-Embedded Microphone Array. J. Robotics Mechatronics 29 (1) (2017)
Kazuhiro Nakadai, Hiroshi G. Okuno, Takeshi Mizumoto
Development, Deployment and Applications of Robot Audition Open Source Software HARK. J. Robotics Mechatronics 29 (1) (2017)
Hiroshi G. Okuno, Kazuhiro Nakadai
Editorial: Robot Audition Technologies. J. Robotics Mechatronics 29 (1) (2017)
Nelson Yalta, Kazuhiro Nakadai, Tetsuya Ogata
Sound Source Localization Using Deep Learning Models. J. Robotics Mechatronics 29 (1) (2017)
Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani
Node Pruning Based on Entropy of Weights and Node Activity for Small-Footprint Acoustic Model Based on Deep Neural Networks. INTERSPEECH (2017)
Kazuhiro Nakadai, Makoto Kumon, Hiroshi G. Okuno, Kotaro Hoshiba, Mizuho Wakabayashi, Kai Washizaki, Takahiro Ishiki, Daniel Gabriel, Yoshiaki Bando, Takayuki Morito, Ryosuke Kojima, Osamu Sugiyama
Development of microphone-array-embedded UAV for search and rescue task. IROS (2017)
Takuma Ohata, Keisuke Nakamura, Akihide Nagamine, Takeshi Mizumoto, Takayuki Ishizaki, Ryosuke Kojima, Osamu Sugiyama, Kazuhiro Nakadai
Outdoor Sound Source Detection Using a Quadcopter with Microphone Array. J. Robotics Mechatronics 29 (1) (2017)
Kazuhiro Nakadai, Tomoaki Koiwa
Psychologically-Inspired Audio-Visual Speech Recognition Using Coarse Speech Recognition and Missing Feature Theory. J. Robotics Mechatronics 29 (1) (2017)
Kotaro Hoshiba, Kai Washizaki, Mizuho Wakabayashi, Takahiro Ishiki, Makoto Kumon, Yoshiaki Bando, Daniel Gabriel, Kazuhiro Nakadai, Hiroshi G. Okuno
Design of UAV-Embedded Microphone Array System for Sound Source Localization in Outdoor Environments. Sensors 17 (11) (2017)
Reiji Suzuki, Shiho Matsubayashi, Richard W. Hedley, Kazuhiro Nakadai, Hiroshi G. Okuno
HARKBird: Exploring Acoustic Interactions in Bird Communities Using a Microphone Array. J. Robotics Mechatronics 29 (1) (2017)
Lana Sinapayen, Keisuke Nakamura, Kazuhiro Nakadai, Hiroki Takahashi, Tetsuo Kinoshita
Swarm of micro-quadrocopters for consensus-based sound source localization. Adv. Robotics 31 (12) (2017)
Ryosuke Kojima, Osamu Sugiyama, Kotaro Hoshiba, Kazuhiro Nakadai, Reiji Suzuki, Charles E. Taylor
Bird Song Scene Analysis Using a Spatial-Cue-Based Probabilistic Model. J. Robotics Mechatronics 29 (1) (2017)
Kazuhiro Nakadai, Taiki Tezuka, Takami Yoshida
Ego-Noise Suppression for Robots Based on Semi-Blind Infinite Non-Negative Matrix Factorization. J. Robotics Mechatronics 29 (1) (2017)

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Publication Activity (10 Years)

Top Topics

Top Venues

Kazuhiro Nakadai