Remote Ultrasound Diagnostic System. - Mamoru Mitsuishi; Shin'ichi Warisawa; Taishi Tsuda; Takuya Higuchi; Norihiro Koizumi; Hiroyuki Hashizume; Kazuo Fujiwara (ICRA, 2001)

Unified approach for underdetermined BSS, VAD, dereverberation and DOA estimation with multichannel factorial HMM. - Takuya Higuchi; Hirokazu Kameoka (GlobalSIP, 2014)

Underdetermined blind separation and tracking of moving sources based ONDOA-HMM. - Takuya Higuchi; Norihiro Takamune; Tomohiko Nakamura; Hirokazu Kameoka (ICASSP, 2014)

A unified approach for underdetermined blind signal separation and source activity detection by multichannel factorial hidden Markov models. - Takuya Higuchi; Hirofumi Takeda; Tomohiko Nakamura; Hirokazu Kameoka (INTERSPEECH, 2014)

Joint audio source separation and dereverberation based on multichannel factorial hidden Markov model. - Takuya Higuchi; Hirokazu Kameoka (MLSP, 2014)

The NTT CHiME-3 system: Advances in speech enhancement and recognition for mobile multi-microphone devices. - Takuya Yoshioka; Nobutaka Ito; Marc Delcroix; Atsunori Ogawa; Keisuke Kinoshita; Masakiyo Fujimoto; Chengzhu Yu; Wojciech J. Fabian; Miquel Espi; Takuya Higuchi; Shoko Araki; Tomohiro Nakatani (ASRU, 2015)

Unified approach for audio source separation with multichannel factorial HMM and DOA mixture model. - Takuya Higuchi; Hirokazu Kameoka (EUSIPCO, 2015)

Spatial correlation model based observation vector clustering and MVDR beamforming for meeting recognition. - Shoko Araki; Masahiro Okada; Takuya Higuchi; Atsunori Ogawa; Tomohiro Nakatani (ICASSP, 2016)

Robust MVDR beamforming using time-frequency masks for online/offline ASR in noise. - Takuya Higuchi; Nobutaka Ito; Takuya Yoshioka; Tomohiro Nakatani (ICASSP, 2016)

Optimization of Speech Enhancement Front-End with Speech Recognition-Level Criterion. - Takuya Higuchi; Takuya Yoshioka; Tomohiro Nakatani (INTERSPEECH, 2016)

Semi-Supervised Joint Enhancement of Spectral and Cepstral Sequences of Noisy Speech. - Li Li 063; Hirokazu Kameoka; Takuya Higuchi; Hiroshi Saruwatari (INTERSPEECH, 2016)

Sparseness-based multichannel nonnegative matrix factorization for blind source separation. - Takuya Higuchi; Takuya Yoshioka; Tomohiro Nakatani (IWAENC, 2016)

Multichannel Speech Enhancement Approaches to DNN-Based Far-Field Speech Recognition. - Marc Delcroix; Takuya Yoshioka; Nobutaka Ito; Atsunori Ogawa; Keisuke Kinoshita; Masakiyo Fujimoto; Takuya Higuchi; Shoko Araki; Tomohiro Nakatani (New Era for Robust Speech Recognition, Exploiting Deep Learning, 2017)

Adversarial training for data-driven speech enhancement without parallel corpus. - Takuya Higuchi; Keisuke Kinoshita; Marc Delcroix; Tomohiro Nakatani (ASRU, 2017)

Learning speaker representation for neural network based multichannel speaker extraction. - Katerina Zmolíková; Marc Delcroix; Keisuke Kinoshita; Takuya Higuchi; Atsunori Ogawa; Tomohiro Nakatani (ASRU, 2017)

Online meeting recognition in noisy environments with time-frequency mask based MVDR beamforming. - Shoko Araki; Nobutaka Ito; Marc Delcroix; Atsunori Ogawa; Keisuke Kinoshita; Takuya Higuchi; Takuya Yoshioka; Dung T. Tran; Shigeki Karita; Tomohiro Nakatani (HSCMA, 2017)

Unsupervised utterance-wise beamformer estimation with speech recognition-level criterion. - Takuya Higuchi; Takuya Yoshioka; Keisuke Kinoshita; Tomohiro Nakatani (ICASSP, 2017)

Deep mixture density network for statistical model-based feature enhancement. - Keisuke Kinoshita; Marc Delcroix; Atsunori Ogawa; Takuya Higuchi; Tomohiro Nakatani (ICASSP, 2017)

Integrating DNN-based and spatial clustering-based mask estimation for robust MVDR beamforming. - Tomohiro Nakatani; Nobutaka Ito; Takuya Higuchi; Shoko Araki; Keisuke Kinoshita (ICASSP, 2017)

Deep Clustering-Based Beamforming for Separation with Unknown Number of Sources. - Takuya Higuchi; Keisuke Kinoshita; Marc Delcroix; Katerina Zmolíková; Tomohiro Nakatani (INTERSPEECH, 2017)

Speaker-Aware Neural Network Based Beamformer for Speaker Extraction in Speech Mixtures. - Katerina Zmolíková; Marc Delcroix; Keisuke Kinoshita; Takuya Higuchi; Atsunori Ogawa; Tomohiro Nakatani (INTERSPEECH, 2017)

Online MVDR Beamformer Based on Complex Gaussian Mixture Model With Spatial Prior for Noise Robust ASR. - Takuya Higuchi; Nobutaka Ito; Shoko Araki; Takuya Yoshioka; Marc Delcroix; Tomohiro Nakatani (IEEE ACM Trans. Audio Speech Lang. Process., 2017)

Dual Frequency- and Block-Permutation Alignment for Deep Learning Based Block-Online Blind Source Separation. - Lukas Drude; Takuya Higuchi; Keisuke Kinoshita; Tomohiro Nakatani; Reinhold Haeb-Umbach (ICASSP, 2018)

Frame-by-Frame Closed-Form Update for Mask-Based Adaptive MVDR Beamforming. - Takuya Higuchi; Keisuke Kinoshita; Nobutaka Ito; Shigeki Karita; Tomohiro Nakatani (ICASSP, 2018)

Optimization of Speaker-Aware Multichannel Speech Extraction with ASR Criterion. - Katerina Zmolíková; Marc Delcroix; Keisuke Kinoshita; Takuya Higuchi; Tomohiro Nakatani; Jan Cernocký (ICASSP, 2018)

Nonnegative Matrix Factorization With Basis Clustering Using Cepstral Distance Regularization. - Hirokazu Kameoka; Takuya Higuchi; Mikihiro Tanaka; Li Li 063 (IEEE ACM Trans. Audio Speech Lang. Process., 2018)

Stacked 1D Convolutional Networks for End-to-End Small Footprint Voice Trigger Detection. - Takuya Higuchi; Mohammad Ghasemzadeh 003; Kisun You; Chandra Dhir (INTERSPEECH, 2020)

Multi-Task Learning with Cross Attention for Keyword Spotting. - Takuya Higuchi; Anmol Gupta; Chandra Dhir (ASRU, 2021)

Dynamic Curriculum Learning via Data Parameters for Noise Robust Keyword Spotting. - Takuya Higuchi; Shreyas Saxena; Mehrez Souden; Tien Dung Tran; Masood Delfarah; Chandra Dhir (ICASSP, 2021)

Improving Voice Trigger Detection with Metric Learning. - Prateeth Nayak; Takuya Higuchi; Anmol Gupta; Shivesh Ranjan; Stephen Shum; Siddharth Sigtia; Erik Marchi; Varun Lakshminarasimhan; Minsik Cho; Saurabh Adya; Chandra Dhir; Ahmed H. Tewfik (INTERSPEECH, 2022)

Does Single-channel Speech Enhancement Improve Keyword Spotting Accuracy? A Case Study. - Avamarie Brueggeman; Takuya Higuchi; Masood Delfarah; Stephen Shum; Vineet Garg (CoRR, 2023)

Multichannel Voice Trigger Detection Based on Transform-Average-Concatenate. - Takuya Higuchi; Avamarie Brueggeman; Masood Delfarah; Stephen Shum (ICASSP Workshops, 2024)

Can you Remove the Downstream Model for Speaker Recognition with Self-Supervised Speech Features? - Zakaria Aldeneh; Takuya Higuchi; Jee-weon Jung; Skyler Seto; Tatiana Likhomanenko; Stephen Shum; Ahmed Hussen Abdelaziz; Shinji Watanabe 001; Barry-John Theobald (INTERSPEECH, 2024)

ESPnet-SPK: full pipeline speaker embedding toolkit with reproducible recipes, self-supervised front-ends, and off-the-shelf models. - Jee-weon Jung; Wangyou Zhang; Jiatong Shi; Zakaria Aldeneh; Takuya Higuchi; Alex Gichamba; Barry-John Theobald; Ahmed Hussen Abdelaziz; Shinji Watanabe 001 (INTERSPEECH, 2024)

ESPnet-SPK: full pipeline speaker embedding toolkit with reproducible recipes, self-supervised front-ends, and off-the-shelf models. - Jee-weon Jung; Wangyou Zhang; Jiatong Shi; Zakaria Aldeneh; Takuya Higuchi; Barry-John Theobald; Ahmed Hussen Abdelaziz; Shinji Watanabe 001 (CoRR, 2024)

Rethinking Non-Negative Matrix Factorization with Implicit Neural Representations. - Krishna Subramani; Paris Smaragdis; Takuya Higuchi; Mehrez Souden (CoRR, 2024)

Speaker-IPL: Unsupervised Learning of Speaker Characteristics with i-Vector based Pseudo-Labels. - Zakaria Aldeneh; Takuya Higuchi; Jee-Weon Jung; Li-Wei Chen; Stephen Shum; Ahmed Hussen Abdelaziz; Shinji Watanabe 001; Tatiana Likhomanenko; Barry-John Theobald (ICASSP, 2025)

Towards Automatic Assessment of Self-Supervised Speech Models using Rank. - Zakaria Aldeneh; Vimal Thilak; Takuya Higuchi; Barry-John Theobald; Tatiana Likhomanenko (ICASSP, 2025)

Exploring Prediction Targets in Masked Pre-Training for Speech Foundation Models. - Li-Wei Chen; Takuya Higuchi; He Bai 013; Ahmed Hussen Abdelaziz; Shinji Watanabe 001; Alexander Rudnicky; Tatiana Likhomanenko; Barry-John Theobald; Zakaria Aldeneh (ICASSP, 2025)

A Variational Framework for Improving Naturalness in Generative Spoken Language Models. - Li-Wei Chen; Takuya Higuchi; Zakaria Aldeneh; Ahmed Hussen Abdelaziz; Alexander Rudnicky (CoRR, 2025)

DiceHuBERT: Distilling HuBERT with a Self-Supervised Learning Objective. - Hyung-Gun Chi; Zakaria Aldeneh; Tatiana Likhomanenko; Oggi Rudovic; Takuya Higuchi; Li-Wei Chen; Shinji Watanabe 001; Ahmed Hussen Abdelaziz (CoRR, 2025)