Generation of broadband speech from narrowband speech using piecewise linear mapping. - Yoshihisa Nakatoh; Mineo Tsushima; Takeshi Norimatsu (EUROSPEECH, 1997)

An efficient mel-LPC analysis method for speech recognition. - Hiroshi Matsumoto; Yoshihisa Nakatoh; Yoshinori Furuhata (ICSLP, 1998)

Low bit rate coding for speech and audio using mel linear predictive coding (MLPC) analysis. - Yoshihisa Nakatoh; Takeshi Norimatsu; Ah Heng Low; Hiroshi Matsumoto (ICSLP, 1998)

A study of vocal tract length normalization with generation-dependent acoustic models. - Keiko Fujita; Yoshio Ono; Yoshihisa Nakatoh (INTERSPEECH, 2000)

An adaptive MEL-LPC analysis for speech recognition. - Yoshihisa Nakatoh; Makoto Nishizaki; Shinichi Yoshizawa; Maki Yamada (INTERSPEECH, 2004)

Development of electrolarynx with hands-free prosody control. - Kenji Matsui; Kenta Kimura; Yoshihisa Nakatoh; Yumiko O. Kato (SSW, 2013)

Detecting system of approaching vehicles using an ultrasonic wave. - Yoshihiro Furuno; Yuto Tanaka; Yoshihisa Nakatoh (ICCE, 2016)

Study of volume limit for headphone hearing loss prevention on portable music player. - Teruhisa Higashi; Yuto Tanaka; Yoshihisa Nakatoh (ICCE, 2016)

Study on the Improvement of Intelligibility for Elderly Speech Using Formant Frequency Shift Method. - Yuto Tanaka; Mitsunori Mizumachi; Yoshihisa Nakatoh (SPECOM, 2016)

Development of Hands-free Speech Enhancement System for Both EL-users and Esophageal Speech Users. - Yuta Matsunaga; Kenji Matsui; Yoshihisa Nakatoh; Yumiko O. Kato (DCAI, 2017)

Preliminary Study of Mobile Device-Based Speech Enhancement System Using Lip-Reading. - Yuta Matsunaga; Kenji Matsui; Yoshihisa Nakatoh; Yumiko O. Kato; Daniel López Sánchez; Sara Rodríguez 001; Juan Manuel Corchado (DCAI, 2018)

Potential for Estimating Age-Dependent Degradation using the Acoustic Characteristics of Daily Conversation. - Yumi Wakita; Shinya Kondo; Yoshihisa Nakatoh (GCCE, 2018)

Study on headphone hearing loss prevention methods based on the melody structure of music on portable music player. - Daiki Okabe; Yoshihisa Nakatoh (ICCE, 2018)

Study of the smartphone operation support system for visually impaired people. - Taiki Torigoe; Yoshihisa Nakatoh (ICCE, 2018)

Changes in fundamental frequency and gesture of response corresponding to the understanding level of partner's talk. - Natsumi Kana; Yuya Saitoh; Yumi Wakita; Yoshihisa Nakatoh (IICAIET, 2018)

Study on Watching System for Door-to-door Sales Detection and Risk Determination. - Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ACIT, 2019)

Study on method of veering correction by vibration transmission in walking support for visually impaired people. - Tomohiro Hirayama; Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ACIT, 2019)

In load collapse prevention system: Examination of the relationship between truck vibration and load inclination. - Chihiro Inoshita; Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ACIT, 2019)

Examination of Acoustic Features for discriminating between Real and Loudspeaker speeches. - Yuto Kinoshita; Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ACIT, 2019)

Study on evaluating risks of routes damages at Earthquakes for Evacuation Guidance System. - Yujiro Mihara; Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ACIT, 2019)

Discussion on differences in frequency band required for horizontal sound localization by age. - Tomoya Okuno; Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ACIT, 2019)

Enhancement of Electrolarynx speech based on WaveRNN. - Eturo Urabe; Rin Hirakawa; Hideki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ACIT, 2019)

Estimating Age-Dependent Degradation Using Nonverbal Feature Analysis of Daily Conversation. - Natsumi Kana; Yumi Wakita; Yoshihisa Nakatoh (HCI (17), 2019)

Study on Door-to-door Sales Detection Method in Watching System for Seniors living alone. - Rin Hirakawa; Yoshihisa Nakatoh (ICCE, 2019)

Study on Mistype Classification in Japanese Input Using Machine Learning. - Ryuki Komatsu; Yoshihisa Nakatoh (ICCE, 2019)

Programming Assistant System Using Improved Flowchart for the Visually Impaired. - Ryo Hirakawa; Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (IHIET, 2019)

Mobile Device-Based Speech Enhancement System Using Lip-Reading. - Tomonori Nakahara; Kohei Fukuyama; Mitsuru Hamada; Kenji Matsui; Yoshihisa Nakatoh; Yumiko O. Kato; Alberto Rivas; Juan Manuel Corchado (DCAI, 2020)

Software Log Anomaly Detection Through One Class Clustering of Transformer Encoder Representation. - Rin Hirakawa; Keitaro Tominaga; Yoshihisa Nakatoh (HCI (38), 2020)

Study on Automatic Defect Report Classification System with Self Attention Visualization. - Rin Hirakawa; Keitaro Tominaga; Yoshihisa Nakatoh (ICCE, 2020)

Study on Mistype Correction Support Using Attention in Japanese Input. - Ryuki Komatsu; Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ICCE, 2020)

Electrolarynx System Using Voice Conversion Based on WaveRNN. - Etsuro Urabe; Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ICCE, 2020)

Study on Software Log Anomaly Detection System with Unsupervised Learning Algorithm. - Rin Hirakawa; Keitaro Tominaga; Yoshihisa Nakatoh (IHIET (Lausanne), 2020)

Blink Detection Using Image Processing to Predict Eye Fatigue. - Akihiro Kuwahara; Rin Hirakawa; Hideki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (IHIET (Paris), 2020)

Effective Speech Features for Distinguishing Mild Dementia Patients from Healthy Person. - Kazu Nishikawa; Rin Hirakawa; Hideki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (IHIET (Paris), 2020)

Speaker Verification Method Using HTM for Security System. - Yuki Sakaguchi; Rin Hirakawa; Hideki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (IHIET (Paris), 2020)

Effectiveness of dynamic image features for estimating daily conversation atmosphere. - Natsumi Kana; Yumi Wakita; Yoshihisa Nakatoh (IICAIET, 2020)

Speech Enhancement System Using Lip-reading. - Kenji Matsui; Kohei Fukuyama; Yoshihisa Nakatoh; Yumiko O. Kato (IICAIET, 2020)

Development of Mobile Device-Based Speech Enhancement System Using Lip-Reading. - Fumiaki Eguchi; Kenji Matsui; Yoshihisa Nakatoh; Yumiko O. Kato; Alberto Rivas; Juan Manuel Corchado (DCAI (1), 2021)

Speech Enhancement System using SVM for Train Announcement. - Yuto Kinoshita; Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ICCE, 2021)

Eye Fatigue Prediction System Using Blink Detection Based on Eye Image. - Akihiro Kuwahara; Rin Hirakawa; Hideki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ICCE, 2021)

Detecting System Alzheimer's Dementia by 1d CNN-LSTM in Japanese Speech. - Kazu Nishikawa; Rin Hirakawa; Hideaki Kawano; Kenichi Nakashi; Yoshihisa Nakatoh (ICCE, 2021)

Mastication Detection Method by Chin Movement Using Image Processing. - Ryo Harada; Rin Hirakawa; Hideaki Kawano; Yoshihisa Nakatoh (IHIET (Paris), 2021)

Speaker Identification Method Using Bone Conduction and Throat Microphones. - Takeshi Hashiguchi; Rin Hirakawa; Hideki Kawano; Yoshihisa Nakatoh (IHIET (Paris), 2021)

Effective Selection Method of Microphones for Conversation Assistance in Noisy Environment. - Mizuki Horii; Rin Hirakawa; Hideki Kawano; Yoshihisa Nakatoh (IHIET (Paris), 2021)

Examination of Balance Adjustment Method Between Voice and BGM in TV Viewing. - Takanori Kono; Rin Hirakawa; Hideki Kawano; Yoshihisa Nakatoh (IHIET (Paris), 2021)

Posture Determination of Wheelchair Caregivers Using Acceleration and Gyro Sensors. - Shohei Masuzaki; Rin Hirakawa; Hideki Kawano; Yoshihisa Nakatoh (IHIET (Paris), 2021)

Volume Control Methods to Reduce Audible Discomfort for Watching Videos. - Hiiro Takahashi; Rin Hirakawa; Hideki Kawano; Yoshihisa Nakatoh (IHIET (Paris), 2021)

Anomaly detection on software log based on Temporal Memory. - Rin Hirakawa; Hironori Uchida; Asato Nakano; Keitaro Tominaga; Yoshihisa Nakatoh (Comput. Electr. Eng., 2021)

Grasp Position Estimation from Depth Image Using Stacked Hourglass Network Structure. - Keisuke Hamamoto; Huimin Lu 001; Yujie Li 001; Tohru Kamiya; Yoshihisa Nakatoh; Seiichi Serikawa (COMPSAC, 2022)

Estimation System of Sensitivity to Eye Fatigue Based on Blinking for the Prevention of VDT Syndrome. - Akihiro Kuwahara; Rin Hirakawa; Hideki Kawano; Yoshihisa Nakatoh (ICCE, 2022)

System of Predicting Dementia Using Transformer Based Ensemble Learning. - Kazu Nishikawa; Rin Hirakawa; Hideaki Kawano; Yoshihisa Nakatoh (ICCE, 2022)

Speaker Authentication Method using Reservoir Computing for Security System. - Yuki Sakaguchi; Rin Hirakawa; Hideaki Kawano; Yoshihisa Nakatoh (ICCE, 2022)

Analysis of Prosodic Features and Formant of Dementia Speech for Machine Learning. - Kazu Nishikawa; Hideaki Kawano; Rin Hirakawa; Yoshihisa Nakatoh (ICICT, 2022)

Single shot multibox detector for honeybee detection. - Jintong Cai; Yugo Makita; Yuchao Zheng; Shiya Takahashi; Weiyu Hao; Yoshihisa Nakatoh (Comput. Electr. Eng., 2022)

Pyramid attention object detection network with multi-scale feature fusion. - Xiu Chen; Yujie Li 001; Yoshihisa Nakatoh (Comput. Electr. Eng., 2022)

3D Object detector: A multiscale region proposal network based on autonomous driving. - Xiu Chen; Shuo Yang; Yingfei Li; Yujie Li 001; Yoshihisa Nakatoh (Comput. Electr. Eng., 2022)

Misrecognized Utterance Identification in Support Systems for Daily Human-to-Human Conversations. - Hikaru Nishida; Yotaro Iida; Yumi Wakita; Yoshihisa Nakatoh (HCI (41), 2023)

Speaker Verification Systems with Robustness to Various Noises Using Sparse Processing. - Hironori Uchida; Yoshihisa Nakatoh; Yujie Li 001 (ICCE, 2023)

Multidimensional Deformable Object Manipulation Based on DN-Transporter Networks. - Yadong Teng; Huimin Lu 001; Yujie Li 001; Tohru Kamiya; Yoshihisa Nakatoh; Seiichi Serikawa; Pengxiang Gao (IEEE Trans. Intell. Transp. Syst., 2023)

Pose Estimation of Point Sets Using Residual MLP in Intelligent Transportation Infrastructure. - Yujie Li 001; Zhiyun Yin; Yuchao Zheng; Huimin Lu 001; Tohru Kamiya; Yoshihisa Nakatoh; Seiichi Serikawa (IEEE Trans. Intell. Transp. Syst., 2023)

Robustness of Biometric Authentication Method Using Image of External Auditory Canal. - Takeshi Hamasaki; Jo Kawabata; Hironori Uchida; Yujie Li 001; Yoshihisa Nakatoh (GCCE, 2024)

Evaluation of the Shooting Method for Biometric Authentication in External Auditory Canal. - Takeshi Hamasaki; Jo Kawabata; Hironori Uchida; Yujie Li; Yoshihisa Nakatoh (ICCE, 2025)

Generation of Similar Sounds Using GPTs in a Sound Effects Synthesis System. - Kakeru Iwamoto; Hironori Uchida; Yujie Li 001; Yoshihisa Nakatoh (ICCE, 2025)

Log Parameter Anomaly Detection System: Evaluating Accuracy with Noisy Training Data. - Hironori Uchida; Keitaro Tominaga; Hideki Itai; Yujie Li; Yoshihisa Nakatoh (ICCE, 2025)