Ryoichi Takashima

83 papers A 15C 3Misc 13Journal 21Unranked 31

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Color-based Emotion Representation for Speech Emotion Recognition. CoRR Ryotaro Nagase, Ryoichi Takashima, Yoichi Yamashita
2025	—	`conf`	GAN-Enhanced InpaintNet for Music Inpainting on Limited Data. APSIPA Komei Naemura, Boyu Cao, Ryotaro Nagase, Ryoichi Takashima, Yoichi Yamashita
2025	A	`conf`	Highly Intelligible Text-to-Speech System Based on Weighted Averaging of Parameters for Individuals with Spinal Muscular Atrophy. ASSETS Yusuke Yagi, Ryoichi Takashima, Chiho Sasaki, Tetsuya Takiguchi
2025	—	`conf`	Operatic Singing Voice Synthesis From Inexperienced Voice Considering Tempo and Vowel Change. MMM (3) Aoto Sugahara, Soma Kishimoto, Yuji Adachi, Kiyoto Tai, Ryoichi Takashima, Tetsuya Takiguchi
2025	J	`jnl`	Prefix tuning with prompt augmentation for efficient financial news summarization. J. Comput. Soc. Sci. Shangyang Mou, Qiang Xue, Xunquan Chen, Jinhui Chen, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2025	A	`conf`	Revisiting WFST-based Hybrid Japanese Speech Recognition System for Individuals with Organic Speech Disorders. INTERSPEECH Naoki Hojo, Ryoichi Takashima, Chihiro Sugiyama, Nobukazu Tanaka, Kanji Nohara, Kazunori Nozaki, Tetsuya Takiguchi
2025	J	`jnl`	Sequence-to-Sequence Voice Conversion With Weighted Guided Attention. IEEE Access Haruki Yamashita, Takuma Okamoto, Ryoichi Takashima, Yamato Ohtani, Tetsuya Takiguchi, Tomoki Toda, Hisashi Kawai
2025	A	`conf`	Speaker-dependent Continuous Speech Recognition for Individuals with Cerebral Palsy Using Weighted Finite-State Transducer and Text-to-Speech Synthesis. ASSETS Takeru Otani, Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Tatsuhiko Saito
2025	A	`conf`	Zero-Shot Learning for Acoustic Event Classification Using an Attribute Vector and Conditional GAN. INTERSPEECH Kohei Uehara, Ryoichi Takashima, Tetsuya Takiguchi
2024	J	`jnl`	Dysarthric Speech Recognition Using Pseudo-Labeling, Self-Supervised Feature Learning, and a Joint Multi-Task Learning Approach. IEEE Access Ryoichi Takashima, Yuya Sawa, Ryo Aihara, Tetsuya Takiguchi, Yoshie Imai
2024	J	`jnl`	Fast Neural Speech Waveform Generative Models With Fully-Connected Layer-Based Upsampling. IEEE Access Haruki Yamashita, Takuma Okamoto, Ryoichi Takashima, Yamato Ohtani, Tetsuya Takiguchi, Tomoki Toda, Hisashi Kawai
2024	—	`conf`	Generation of Colored Subtitle Images Based on Emotional Information of Speech Utterances. EUSIPCO Ryoichi Takashima, Fumiya Nakamura, Ryo Aihara, Tetsuya Takiguchi, Yusuke Itani
2024	A	`conf`	Individuality-Preserving Speech Synthesis for Spinal Muscular Atrophy with a Tracheotomy. ASSETS Minori Iwata, Ryoichi Takashima, Chiho Sasaki, Tetsuya Takiguchi
2024	—	`conf`	Representation Learning Based on Variational Autoencoders for Imagined Speech Classification. EUSIPCO Hajime Yano, Ryoichi Takashima, Tetsuya Takiguchi, Seiji Nakagawa
2024	A	`conf`	Self-supervised learning using unlabeled speech with multiple types of speech disorder for disordered speech recognition. ASSETS Ryoichi Takashima, Takeru Otani, Ryo Aihara, Tetsuya Takiguchi, Shinya Taguchi
2024	—	`conf`	Speech Recognition for a Person With Cerebral Palsy Using Whisper Fine-Tuned on Japanese and English Dysarthric Speech. GCCE Kirito Haze, Ryoichi Takashima, Tetsuya Takiguchi
2024	—	`conf`	Training of VITS Model Reflecting the Duration of a Physically Unimpaired Speaker for a Text-to-speech System for a Person with a Stutter. GCCE Ryo Nagakubo, Haruki Yamashita, Ryoichi Takashima, Misuzu Yasui, Tetsuya Takiguchi
2023	—	`conf`	EEG Source Estimation Using Deep Prior Without a Subject's Individual Lead Field. ICASSP Workshops Naoki Hojo, Hajime Yano, Ryoichi Takashima, Tetsuya Takiguchi, Seiji Nakagawa
2023	J	`jnl`	Harmonic-Net: Fundamental Frequency and Speech Rate Controllable Fast Neural Vocoder. IEEE ACM Trans. Audio Speech Lang. Process. Keisuke Matsubara, Takuma Okamoto, Ryoichi Takashima, Tetsuya Takiguchi, Tomoki Toda, Hisashi Kawai
2023	—	`conf`	Operatic Singing Voice Synthesis Using Diff-SVC. GCCE Aoto Sugahara, Soma Kishimoto, Yuji Adachi, Kiyoto Tai, Ryoichi Takashima, Tetsuya Takiguchi
2023	Misc	`conf`	Zero-Shot Sound Event Classification Using a Sound Attribute Vector with Global and Local Feature Learning. ICASSP Yihan Lin, Xunquan Chen, Ryoichi Takashima, Tetsuya Takiguchi
2023	J	`jnl`	Zero-shot Sound Event Classification Using a Sound Attribute Vector with Global and Local Feature Learning. CoRR Yihan Lin, Xunquan Chen, Ryoichi Takashima, Tetsuya Takiguchi
2022	—	`conf`	Adaptation of a Pronunciation Dictionary for Dysarthric Speech Recognition. LifeTech Yuya Sawa, Ryoichi Takashima, Tetsuya Takiguchi
2022	—	`conf`	Binary Attribute Embeddings for Zero-Shot Sound Event Classification. GCCE Yihan Lin, Xunquan Chen, Ryoichi Takashima, Tetsuya Takiguchi
2022	—	`conf`	Comparative Evaluation of Neural Vocoders for Speech Synthesis of Operatic Singing. LifeTech Sota Shimizu, Keisuke Matsubara, Yuji Adachi, Kiyoto Tai, Ryoichi Takashima, Tetsuya Takiguchi
2022	J	`jnl`	Current Source Localization Using Deep Prior with Depth Weighting. CoRR Rio Yamana, Hajime Yano, Ryoichi Takashima, Tetsuya Takiguchi, Seiji Nakagawa
2022	—	`conf`	Data Augmentation for Dysarthric Speech Recognition Based on Text-to-Speech Synthesis. LifeTech Yuki Matsuzaka, Ryoichi Takashima, Chiho Sasaki, Tetsuya Takiguchi
2022	J	`jnl`	Learn to See Faster: Pushing the Limits of High-Speed Camera with Deep Underexposed Image Denoising. CoRR Weihao Zhuang, Tristan Hascoet, Ryoichi Takashima, Tetsuya Takiguchi
2022	—	`conf`	MEG Source Localization Using Deep Prior. LifeTech Rio Yamana, Hajime Yano, Ryoichi Takashima, Tetsuya Takiguchi, Seiji Nakagawa
2022	J	`jnl`	Optical Flow Regularization of Implicit Neural Representations for Video Frame Interpolation. CoRR Weihao Zhuang, Tristan Hascoet, Ryoichi Takashima, Tetsuya Takiguchi
2022	J	`jnl`	Phoneme-guided Dysarthric speech conversion With non-parallel data by joint training. Signal Image Video Process. Xunquan Chen, Atsuki Oshiro, Jinhui Chen, Ryoichi Takashima, Tetsuya Takiguchi
2022	Misc	`conf`	Speaker-Targeted Audio-Visual Speech Recognition Using a Hybrid CTC/Attention Model with Interference Loss. ICASSP Ryota Tsunoda, Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yoshie Imai
2021	—	`conf`	Data Augmentation Based on Frequency Warping for Recognition of Cleft Palate Speech. APSIPA ASC Kento Fujiwara, Ryoichi Takashima, Chihiro Sugiyama, Nobukazu Tanaka, Kanji Nohara, Kazunori Nozaki, Tetsuya Takiguchi
2021	J	`jnl`	Full-Band LPCNet: A Real-Time Neural Vocoder for 48 kHz Audio With a CPU. IEEE Access Keisuke Matsubara, Takuma Okamoto, Ryoichi Takashima, Tetsuya Takiguchi, Tomoki Toda, Yoshinori Shiga, Hisashi Kawai
2021	Misc	`conf`	High-Intelligibility Speech Synthesis for Dysarthric Speakers with LPCNet-Based TTS and CycleVAE-Based VC. ICASSP Keisuke Matsubara, Takuma Okamoto, Ryoichi Takashima, Tetsuya Takiguchi, Tomoki Toda, Yoshinori Shiga, Hisashi Kawai
2021	J	`jnl`	Multimodal fusion for indoor sound source localization. Pattern Recognit. Jinhui Chen, Ryoichi Takashima, Xingchen Guo, Zhihong Zhang, Xuexin Xu, Tetsuya Takiguchi, Edwin R. Hancock
2021	J	`jnl`	Unsupervised domain adaptation for lip reading based on cross-modal knowledge distillation. EURASIP J. Audio Speech Music. Process. Yuki Takashima, Ryoichi Takashima, Ryota Tsunoda, Ryo Aihara, Tetsuya Takiguchi, Yasuo Ariki, Nobuaki Motoyama
2020	—	`conf`	An Investigation of End-to-End Speech Recognition Using Model Adaptation for Dysarthric Speakers. GCCE Yuya Sawa, Ryoichi Takashima, Tetsuya Takiguchi
2020	—	`conf`	Convolutional neural networks Memory optimization Inference with Splitting Image. GCCE Weihao Zhuang, Tristan Hascoet, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2020	A	`conf`	Dysarthric Speech Recognition Based on Deep Metric Learning. INTERSPEECH Yuki Takashima, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2020	—	`conf`	FasterRCNN Monitoring of Road Damages: Competition and Deployment. IEEE BigData Tristan Hascoet, Yihao Zhang, Andreas Persch, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2020	J	`jnl`	FasterRCNN Monitoring of Road Damages: Competition and Deployment. CoRR Tristan Hascoet, Yihao Zhang, Andreas Persch, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2020	—	`conf`	Opera Singing Voice Synthesis Considering Vowel Variations. GCCE Kenta Katahira, Yuji Adachi, Kiyoto Tai, Ryoichi Takashima, Tetsuya Takiguchi
2020	Misc	`conf`	Two-Step Acoustic Model Adaptation for Dysarthric Speech Recognition. ICASSP Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2019	A	`conf`	Auxiliary Interference Speaker Loss for Target-Speaker Speech Recognition. INTERSPEECH Naoyuki Kanda, Shota Horiguchi, Ryoichi Takashima, Yusuke Fujita, Kenji Nagamatsu, Shinji Watanabe
2019	J	`jnl`	Auxiliary Interference Speaker Loss for Target-Speaker Speech Recognition. CoRR Naoyuki Kanda, Shota Horiguchi, Ryoichi Takashima, Yusuke Fujita, Kenji Nagamatsu, Shinji Watanabe
2019	Misc	`conf`	Investigation of Sequence-level Knowledge Distillation Methods for CTC Acoustic Models. ICASSP Ryoichi Takashima, Sheng Li, Hisashi Kawai
2019	J	`jnl`	Knowledge Transferability Between the Speech Data of Persons With Dysarthria Speaking Different Languages for Dysarthric Speech Recognition. IEEE Access Yuki Takashima, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2018	Misc	`conf`	An Investigation of a Knowledge Distillation Method for CTC Acoustic Models. ICASSP Ryoichi Takashima, Sheng Li, Hisashi Kawai
2018	Misc	`conf`	CTC Loss Function with a Unit-Level Ambiguity Penalty. ICASSP Ryoichi Takashima, Sheng Li, Hisashi Kawai
2018	A	`conf`	Improving CTC-based Acoustic Model with Very Deep Residual Time-delay Neural Networks. INTERSPEECH Sheng Li, Xugang Lu, Ryoichi Takashima, Peng Shen, Tatsuya Kawahara, Hisashi Kawai
2018	—	`conf`	Improving Very Deep Time-Delay Neural Network With Vertical-Attention For Effectively Training CTC-Based ASR Systems. SLT Sheng Li, Xugang Lu, Ryoichi Takashima, Peng Shen, Tatsuya Kawahara, Hisashi Kawai
2017	—	`conf`	ADMM-based audio reconstruction for low-cost-sound-monitoring. EUSIPCO Sandra Ramaswami, Yohei Kawaguchi, Ryoichi Takashima, Takashi Endo, Masahito Togami
2017	—	`conf`	An application of noise-robust speech translation using asynchronous smart devices. APSIPA Ryoichi Takashima, Yohei Kawaguchi, Qinghua Sun, Takashi Sumiyoshi, Masahito Togami
2017	C	`conf`	Incremental training and constructing the very deep convolutional residual network acoustic models. ASRU Sheng Li, Xugang Lu, Peng Shen, Ryoichi Takashima, Tatsuya Kawahara, Hisashi Kawai
2017	—	`conf`	Separation of vibration-derived sound signals based on fusion processing of vibration sensors and microphones. EUSIPCO Ryoichi Takashima, Yohei Kawaguchi, Masahito Togami
2017	—	`conf`	Sub-Nyquist non-uniform sampling for low-cost sound monitoring. APSIPA Yohei Kawaguchi, Sandra Ramaswami, Ryoichi Takashima, Takashi Endo, Rintaro Ikeshita
2017	—	`conf`	Time-domain subsampling and reconstruction for microphone array. APSIPA Yohei Kawaguchi, Ryoichi Takashima, Takashi Endo, Masahito Togami
2016	A	`conf`	Data Augmentation Using Multi-Input Multi-Output Source Separation for Deep Neural Network Based Acoustic Modeling. INTERSPEECH Yusuke Fujita, Ryoichi Takashima, Takeshi Homma, Masahito Togami
2016	—	`conf`	Solving permutation problem with a cascade combination of phase difference entropy and power spectral correlation. IWAENC Masahito Togami, Ryoichi Takashima, Yusuke Fujita
2015	C	`conf`	Unified ASR system using LGM-based source separation, noise-robust feature extraction, and word hypothesis selection. ASRU Yusuke Fujita, Ryoichi Takashima, Takeshi Homma, Rintaro Ikeshita, Yohei Kawaguchi, Takashi Sumiyoshi, Takashi Endo, Masahito Togami
2014	J	`jnl`	A preliminary demonstration of exemplar-based voice conversion for articulation disorders using an individuality-preserving dictionary. EURASIP J. Audio Speech Music. Process. Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2014	Misc	`conf`	Frequency domain acoustic echo reduction based on Kalman smoother with time-varying noise covariance matrix. ICASSP Masahito Togami, Yohei Kawaguchi, Ryoichi Takashima
2014	J	`jnl`	Noise-Robust Voice Conversion Based on Sparse Spectral Mapping Using Non-negative Matrix Factorization. IEICE Trans. Inf. Syst. Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2013	J	`jnl`	Exemplar-Based Voice Conversion Using Sparse Representation in Noisy Environments. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2013	A	`conf`	Exemplar-based individuality-preserving voice conversion for articulation disorders in noisy environments. INTERSPEECH Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2013	Misc	`conf`	Individuality-preserving voice conversion for articulation disorders based on non-negative matrix factorization. ICASSP Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2013	—	`conf`	Noise-robust voice conversion based on spectral mapping on sparse space. SSW Ryoichi Takashima, Ryo Aihara, Tetsuya Takiguchi, Yasuo Ariki
2013	Misc	`conf`	Prediction of unlearned position based on local regression for single-channel talker localization using acoustic transfer function. ICASSP Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2013	—	`conf`	Voice conversion based on Non-negative Matrix Factorization in noisy environments. SII Takao Fujii, Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2013	A	`conf`	Voice conversion in high-order eigen space using deep belief nets. INTERSPEECH Toru Nakashika, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2012	Misc	`conf`	A new multiple-kernel-learning weighting method for localizing human brain magnetic activity. ICASSP Tetsuya Takiguchi, Toshiaki Imada, Ryoichi Takashima, Yasuo Ariki, Jo-Fu Lotus Lin, Patricia K. Kuhl, Masaki Kawakatsu, Makoto Kotani
2012	—	`conf`	An adaboost-based weighting method for localizing human brain magnetic activity. APSIPA Tetsuya Takiguchi, Ryoichi Takashima, Yasuo Ariki, Toshiaki Imada, Jo-Fu Lotus Lin, Patricia K. Kuhl, Masaki Kawakatsu, Makoto Kotani
2012	—	`conf`	Consonant enhancement for articulation disorders based on non-negative matrix factorization. APSIPA Ryo Aihara, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2012	A	`conf`	Estimation of Talker's Head Orientation Based on Discrimination of the Shape of Cross-power Spectrum Phase Coefficients. INTERSPEECH Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2012	—	`conf`	Exemplar-based voice conversion in noisy environment. SLT Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2012	—	`conf`	Robust feature extraction to utterance fluctuations due to articulation disorders based on sparse expression. APSIPA Toshiya Yoshioka, Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2011	A	`conf`	Agglomerative Hierarchical Clustering of Emotions in Speech Based on Subjective Relative Similarity. INTERSPEECH Ryoichi Takashima, Tohru Nagano, Ryuki Tachibana, Masafumi Nishimura
2011	Misc	`conf`	Feature selection based on Multiple Kernel Learning for single-channel sound source localization using the acoustic transfer function. ICASSP Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2011	A	`conf`	Single-Channel Head Orientation Estimation Based on Discrimination of Acoustic Transfer Function. INTERSPEECH Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2010	Misc	`conf`	HMM-based separation of acoustic transfer function for single-channel sound source localization. ICASSP Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2009	C	`conf`	Monaural sound-source-direction estimation using the acoustic transfer function of an active microphone. FUSION Ryoichi Takashima, Tetsuya Takiguchi, Yasuo Ariki
2009	J	`jnl`	Single-Channel Talker Localization Based on Discrimination of Acoustic Transfer Functions. EURASIP J. Adv. Signal Process. Tetsuya Takiguchi, Yuji Sumida, Ryoichi Takashima, Yasuo Ariki