Ryoichi Takashima

Publication Activity (10 Years)

Years Active: 2009-2024
Publications (10 Years): 45

Top Topics

Acoustic Models

Source Localization

Top Venues

Publications

Ryoichi Takashima, Yuya Sawa, Ryo Aihara, Tetsuya Takiguchi, Yoshie Imai
Dysarthric Speech Recognition Using Pseudo-Labeling, Self-Supervised Feature Learning, and a Joint Multi-Task Learning Approach. IEEE Access 12 (2024)
Yihan Lin, Xunquan Chen, Ryoichi Takashima, Tetsuya Takiguchi
Zero-Shot Sound Event Classification Using a Sound Attribute Vector with Global and Local Feature Learning. ICASSP (2023)
Aoto Sugahara, Soma Kishimoto, Yuji Adachi, Kiyoto Tai, Ryoichi Takashima, Tetsuya Takiguchi
Operatic Singing Voice Synthesis Using Diff-SVC. GCCE (2023)
Naoki Hojo, Hajime Yano, Ryoichi Takashima, Tetsuya Takiguchi, Seiji Nakagawa
EEG Source Estimation Using Deep Prior Without a Subject's Individual Lead Field. ICASSP Workshops (2023)
Yihan Lin, Xunquan Chen, Ryoichi Takashima, Tetsuya Takiguchi
Zero-shot Sound Event Classification Using a Sound Attribute Vector with Global and Local Feature Learning. CoRR (2023)
Keisuke Matsubara, Takuma Okamoto, Ryoichi Takashima, Tetsuya Takiguchi, Tomoki Toda, Hisashi Kawai
Harmonic-Net: Fundamental Frequency and Speech Rate Controllable Fast Neural Vocoder. IEEE ACM Trans. Audio Speech Lang. Process. 31 (2023)
Rio Yamana, Hajime Yano, Ryoichi Takashima, Tetsuya Takiguchi, Seiji Nakagawa
Current Source Localization Using Deep Prior with Depth Weighting. CoRR (2022)
Weihao Zhuang, Tristan Hascoet, Ryoichi Takashima, Tetsuya Takiguchi
Optical Flow Regularization of Implicit Neural Representations for Video Frame Interpolation. CoRR (2022)
Sota Shimizu, Keisuke Matsubara, Yuji Adachi, Kiyoto Tai, Ryoichi Takashima, Tetsuya Takiguchi
Comparative Evaluation of Neural Vocoders for Speech Synthesis of Operatic Singing. LifeTech (2022)
Rio Yamana, Hajime Yano, Ryoichi Takashima, Tetsuya Takiguchi, Seiji Nakagawa
MEG Source Localization Using Deep Prior. LifeTech (2022)
Xunquan Chen, Atsuki Oshiro, Jinhui Chen, Ryoichi Takashima, Tetsuya Takiguchi
Phoneme-guided Dysarthric speech conversion With non-parallel data by joint training. Signal Image Video Process. 16 (6) (2022)
Yihan Lin, Xunquan Chen, Ryoichi Takashima, Tetsuya Takiguchi
Binary Attribute Embeddings for Zero-Shot Sound Event Classification. GCCE (2022)
Yuya Sawa, Ryoichi Takashima, Tetsuya Takiguchi
Adaptation of a Pronunciation Dictionary for Dysarthric Speech Recognition. LifeTech (2022)
Weihao Zhuang, Tristan Hascoet, Ryoichi Takashima, Tetsuya Takiguchi
Learn to See Faster: Pushing the Limits of High-Speed Camera with Deep Underexposed Image Denoising. CoRR (2022)
Yuki Matsuzaka, Ryoichi Takashima, Chiho Sasaki, Tetsuya Takiguchi
Data Augmentation for Dysarthric Speech Recognition Based on Text-to-Speech Synthesis. LifeTech (2022)
Ryota Tsunoda, Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yoshie Imai
Speaker-Targeted Audio-Visual Speech Recognition Using a Hybrid CTC/Attention Model with Interference Loss. ICASSP (2022)
Yuki Takashima, Ryoichi Takashima, Ryota Tsunoda, Ryo Aihara, Tetsuya Takiguchi, Yasuo Ariki, Nobuaki Motoyama
Unsupervised domain adaptation for lip reading based on cross-modal knowledge distillation. EURASIP J. Audio Speech Music. Process. 2021 (1) (2021)
Kento Fujiwara, Ryoichi Takashima, Chihiro Sugiyama, Nobukazu Tanaka, Kanji Nohara, Kazunori Nozaki, Tetsuya Takiguchi
Data Augmentation Based on Frequency Warping for Recognition of Cleft Palate Speech. APSIPA ASC (2021)
Jinhui Chen, Ryoichi Takashima, Xingchen Guo, Zhihong Zhang, Xuexin Xu, Tetsuya Takiguchi, Edwin R. Hancock
Multimodal fusion for indoor sound source localization. Pattern Recognit. 115 (2021)
Keisuke Matsubara, Takuma Okamoto, Ryoichi Takashima, Tetsuya Takiguchi, Tomoki Toda, Yoshinori Shiga, Hisashi Kawai
Full-Band LPCNet: A Real-Time Neural Vocoder for 48 kHz Audio With a CPU. IEEE Access 9 (2021)
Keisuke Matsubara, Takuma Okamoto, Ryoichi Takashima, Tetsuya Takiguchi, Tomoki Toda, Yoshinori Shiga, Hisashi Kawai
High-Intelligibility Speech Synthesis for Dysarthric Speakers with LPCNet-Based TTS and CycleVAE-Based VC. ICASSP (2021)
Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Two-Step Acoustic Model Adaptation for Dysarthric Speech Recognition. ICASSP (2020)
Kenta Katahira, Yuji Adachi, Kiyoto Tai, Ryoichi Takashima, Tetsuya Takiguchi
Opera Singing Voice Synthesis Considering Vowel Variations. GCCE (2020)
Weihao Zhuang, Tristan Hascoet, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Convolutional neural networks Memory optimization Inference with Splitting Image. GCCE (2020)
Yuki Takashima, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Dysarthric Speech Recognition Based on Deep Metric Learning. INTERSPEECH (2020)
Yuya Sawa, Ryoichi Takashima, Tetsuya Takiguchi
An Investigation of End-to-End Speech Recognition Using Model Adaptation for Dysarthric Speakers. GCCE (2020)
Tristan Hascoet, Yihao Zhang, Andreas Persch, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
FasterRCNN Monitoring of Road Damages: Competition and Deployment. IEEE BigData (2020)
Tristan Hascoet, Yihao Zhang, Andreas Persch, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
FasterRCNN Monitoring of Road Damages: Competition and Deployment. CoRR (2020)
Yuki Takashima, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Knowledge Transferability Between the Speech Data of Persons With Dysarthria Speaking Different Languages for Dysarthric Speech Recognition. IEEE Access 7 (2019)
Ryoichi Takashima, Sheng Li, Hisashi Kawai
Investigation of Sequence-level Knowledge Distillation Methods for CTC Acoustic Models. ICASSP (2019)
Naoyuki Kanda, Shota Horiguchi, Ryoichi Takashima, Yusuke Fujita, Kenji Nagamatsu, Shinji Watanabe
Auxiliary Interference Speaker Loss for Target-Speaker Speech Recognition. CoRR (2019)
Naoyuki Kanda, Shota Horiguchi, Ryoichi Takashima, Yusuke Fujita, Kenji Nagamatsu, Shinji Watanabe
Auxiliary Interference Speaker Loss for Target-Speaker Speech Recognition. INTERSPEECH (2019)
Ryoichi Takashima, Sheng Li, Hisashi Kawai
CTC Loss Function with a Unit-Level Ambiguity Penalty. ICASSP (2018)
Ryoichi Takashima, Sheng Li, Hisashi Kawai
An Investigation of a Knowledge Distillation Method for CTC Acoustic Models. ICASSP (2018)
Sheng Li, Xugang Lu, Ryoichi Takashima, Peng Shen, Tatsuya Kawahara, Hisashi Kawai
Improving CTC-based Acoustic Model with Very Deep Residual Time-delay Neural Networks. INTERSPEECH (2018)
Sheng Li, Xugang Lu, Ryoichi Takashima, Peng Shen, Tatsuya Kawahara, Hisashi Kawai
Improving Very Deep Time-Delay Neural Network With Vertical-Attention For Effectively Training CTC-Based ASR Systems. SLT (2018)
Sandra Ramaswami, Yohei Kawaguchi, Ryoichi Takashima, Takashi Endo, Masahito Togami
ADMM-based audio reconstruction for low-cost-sound-monitoring. EUSIPCO (2017)
Yohei Kawaguchi, Ryoichi Takashima, Takashi Endo, Masahito Togami
Time-domain subsampling and reconstruction for microphone array. APSIPA (2017)
Sheng Li, Xugang Lu, Peng Shen, Ryoichi Takashima, Tatsuya Kawahara, Hisashi Kawai
Incremental training and constructing the very deep convolutional residual network acoustic models. ASRU (2017)
Ryoichi Takashima, Yohei Kawaguchi, Qinghua Sun, Takashi Sumiyoshi, Masahito Togami
An application of noise-robust speech translation using asynchronous smart devices. APSIPA (2017)
Ryoichi Takashima, Yohei Kawaguchi, Masahito Togami
Separation of vibration-derived sound signals based on fusion processing of vibration sensors and microphones. EUSIPCO (2017)
Yohei Kawaguchi, Sandra Ramaswami, Ryoichi Takashima, Takashi Endo, Rintaro Ikeshita
Sub-Nyquist non-uniform sampling for low-cost sound monitoring. APSIPA (2017)
Yusuke Fujita, Ryoichi Takashima, Takeshi Homma, Masahito Togami
Data Augmentation Using Multi-Input Multi-Output Source Separation for Deep Neural Network Based Acoustic Modeling. INTERSPEECH (2016)
Masahito Togami, Ryoichi Takashima, Yusuke Fujita
Solving permutation problem with a cascade combination of phase difference entropy and power spectral correlation. IWAENC (2016)
Yusuke Fujita, Ryoichi Takashima, Takeshi Homma, Rintaro Ikeshita, Yohei Kawaguchi, Takashi Sumiyoshi, Takashi Endo, Masahito Togami
Unified ASR system using LGM-based source separation, noise-robust feature extraction, and word hypothesis selection. ASRU (2015)
Masahito Togami, Yohei Kawaguchi, Ryoichi Takashima
Frequency domain acoustic echo reduction based on Kalman smoother with time-varying noise covariance matrix. ICASSP (2014)
Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Noise-Robust Voice Conversion Based on Sparse Spectral Mapping Using Non-negative Matrix Factorization. IEICE Trans. Inf. Syst. (6) (2014)
Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
A preliminary demonstration of exemplar-based voice conversion for articulation disorders using an individuality-preserving dictionary. EURASIP J. Audio Speech Music. Process. 2014 (2014)
Takao Fujii, Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Voice conversion based on Non-negative Matrix Factorization in noisy environments. SII (2013)
Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Individuality-preserving voice conversion for articulation disorders based on non-negative matrix factorization. ICASSP (2013)
Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Exemplar-Based Voice Conversion Using Sparse Representation in Noisy Environments. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (10) (2013)
Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Exemplar-based individuality-preserving voice conversion for articulation disorders in noisy environments. INTERSPEECH (2013)
Ryoichi Takashima, Ryo Aihara, Tetsuya Takiguchi, Yasuo Ariki
Noise-robust voice conversion based on spectral mapping on sparse space. SSW (2013)
Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Prediction of unlearned position based on local regression for single-channel talker localization using acoustic transfer function. ICASSP (2013)
Toru Nakashika, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Voice conversion in high-order eigen space using deep belief nets. INTERSPEECH (2013)
Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Exemplar-based voice conversion in noisy environment. SLT (2012)
Tetsuya Takiguchi, Toshiaki Imada, Ryoichi Takashima, Yasuo Ariki, Jo-Fu Lotus Lin, Patricia K. Kuhl, Masaki Kawakatsu, Makoto Kotani
A new multiple-kernel-learning weighting method for localizing human brain magnetic activity. ICASSP (2012)
Toshiya Yoshioka, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Robust feature extraction to utterance fluctuations due to articulation disorders based on sparse expression. APSIPA (2012)
Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Consonant enhancement for articulation disorders based on non-negative matrix factorization. APSIPA (2012)
Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Estimation of Talker's Head Orientation Based on Discrimination of the Shape of Cross-power Spectrum Phase Coefficients. INTERSPEECH (2012)
Tetsuya Takiguchi, Ryoichi Takashima, Yasuo Ariki, Toshiaki Imada, J.-F. L. Lin, Patricia K. Kuhl, Masaki Kawakatsu, Makoto Kotani
An adaboost-based weighting method for localizing human brain magnetic activity. APSIPA (2012)
Ryoichi Takashima, Tohru Nagano, Ryuki Tachibana, Masafumi Nishimura
Agglomerative Hierarchical Clustering of Emotions in Speech Based on Subjective Relative Similarity. INTERSPEECH (2011)
Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Single-Channel Head Orientation Estimation Based on Discrimination of Acoustic Transfer Function. INTERSPEECH (2011)
Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Feature selection based on Multiple Kernel Learning for single-channel sound source localization using the acoustic transfer function. ICASSP (2011)
Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
HMM-based separation of acoustic transfer function for single-channel sound source localization. ICASSP (2010)
Tetsuya Takiguchi, Yuji Sumida, Ryoichi Takashima, Yasuo Ariki
Single-Channel Talker Localization Based on Discrimination of Acoustic Transfer Functions. EURASIP J. Adv. Signal Process. 2009 (2009)
Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
Monaural sound-source-direction estimation using the acoustic transfer function of an active microphone. FUSION (2009)