A Face Recognition Algorithm Robust Against Illumination Variations Using 3-Dimensional Face Shape. - Hitoshi Imaoka; Shizuo Sakamoto (MVA, 2000)

A Complex Cell-Like Receptive Field Obtained by Information Maximization. - Kenji Okajima; Hitoshi Imaoka (Neural Comput., 2001)

An Algorithm for the Detection of Faces on the Basis of Gabor Features and Information Maximization. - Hitoshi Imaoka; Kenji Okajima (Neural Comput., 2004)

Real-time face recognition demonstration. - Hitoshi Imaoka; Yusuke Morishita; Akihiro Hayasaka (FG, 2011)

Facial Feature Detection Using Generalized LVQ and Facial Shape Model. - Hitoshi Imaoka (MVA, 2011)

Large-Scale Face Recognition on Smart Devices. - Jia Hao; Yusuke Morishita; Toshinori Hosoi; Kazuyuki Sakurai; Hitoshi Imaoka; Takao Imaizumi; Hideki Irisawa (ACPR, 2013)

Occlusion handling in feature point tracking using ranked parts based models. - Karon Rampal; Kazuyuki Sakurai; Hitoshi Imaoka (ICIP, 2015)

Fast and accurate personal authentication using ear acoustics. - Takayuki Arakawa; Takafumi Koshinaka; Shohei Yano; Hideki Irisawa; Ryoji Miyahara; Hitoshi Imaoka (APSIPA, 2016)

Fast and accurate scale estimation method for object tracking. - Karan Rampal; Kazuyuki Sakurai; Hitoshi Imaoka (ICPR, 2016)

Fast k-Nearest Neighbor Search for Face Identification Using Bounds of Residual Score. - Masato Ishii; Hitoshi Imaoka; Atsushi Sato (FG, 2017)

Specular- and Diffuse-reflection-based Face Liveness Detection for Mobile Devices. - Akinori F. Ebihara; Kazuyuki Sakurai; Hitoshi Imaoka (CoRR, 2019)

Specular- and Diffuse-reflection-based Face Spoofing Detection for Mobile Devices. - Akinori F. Ebihara; Kazuyuki Sakurai; Hitoshi Imaoka (IJCB, 2020)

An Efficient Method of Training Small Models for Regression Problems with Knowledge Distillation. - Makoto Takamoto; Yusuke Morishita; Hitoshi Imaoka (MIPR, 2020)

Effectiveness of Feature-selected LBP-TOP for Emotional Estimation by Micro-expression. - Koki Kato; Hironobu Takano; Masahiro Saiko; Ryuichi Hiraike; Hitoshi Imaoka (SCIS/ISIS, 2020)

Deep Neural Networks for the Sequential Probability Ratio Test on Non-i.i.d. Data Series. - Akinori F. Ebihara; Taiki Miyagawa; Kazuyuki Sakurai; Hitoshi Imaoka (CoRR, 2020)

Comparative Study of Feature Extraction Method for Emotional Classification by Micro-expressions. - Koki Kato; Hironobu Takano; Masahiro Saiko; Masahiro Kubo; Hitoshi Imaoka (APSIPA ASC, 2021)

Joint Feature Distribution Alignment Learning for NIR-VIS and VIS-VIS Face Recognition. - Takaya Miyamoto; Hiroshi Hashimoto; Akihiro Hayasaka; Akinori F. Ebihara; Hitoshi Imaoka (IJCB, 2021)

Sequential Density Ratio Estimation for Simultaneous Optimization of Speed and Accuracy. - Akinori F. Ebihara; Taiki Miyagawa; Kazuyuki Sakurai; Hitoshi Imaoka (ICLR, 2021)

Characteristics of LBP-TOP Feature for Emotional Estimation by Micro-expression. - Koki Kato; Hironobu Takano; Masahiro Saiko; Masahiro Kubo; Hitoshi Imaoka (ISCIT, 2021)

Efficient Face Spoofing Detection With Flash. - Akinori F. Ebihara; Kazuyuki Sakurai; Hitoshi Imaoka (IEEE Trans. Biom. Behav. Identity Sci., 2021)

Heart Rate and Oxygen Saturation Estimation from Facial Video with Multimodal Physiological Data Generation. - Yusuke Akamatsu; Yoshifumi Onishi; Hitoshi Imaoka (ICASSP, 2022)

Blood Oxygen Saturation Estimation from Facial Video Via DC and AC Components of Spatio-Temporal Map. - Yusuke Akamatsu; Yoshifumi Onishi; Hitoshi Imaoka (ICASSP, 2023)

Toward Asymptotic Optimality: Sequential Unsupervised Regression of Density Ratio for Early Classification. - Akinori F. Ebihara; Taiki Miyagawa; Kazuyuki Sakurai; Hitoshi Imaoka (ICASSP, 2023)

Edema Estimation From Facial Images Taken Before and After Dialysis via Contrastive Multi-Patient Pre-Training. - Yusuke Akamatsu; Yoshifumi Onishi; Hitoshi Imaoka; Junko Kameyama; Hideo Tsurushima (IEEE J. Biomed. Health Informatics, 2023)

U-FaceBP: Uncertainty-aware Bayesian Ensemble Deep Learning for Face Video-based Blood Pressure Measurement. - Yusuke Akamatsu; Terumi Umematsu; Hitoshi Imaoka (CoRR, 2024)

CalibrationPhys: Self-Supervised Video-Based Heart and Respiratory Rate Measurements by Calibrating Between Multiple Cameras. - Yusuke Akamatsu; Terumi Umematsu; Hitoshi Imaoka (IEEE J. Biomed. Health Informatics, 2024)

Learning the Optimal Stopping for Early Classification within Finite Horizons via Sequential Probability Ratio Test. - Akinori F. Ebihara; Taiki Miyagawa; Kazuyuki Sakurai; Hitoshi Imaoka (ICLR, 2025)

ComFace: Facial Representation Learning with Synthetic Data for Comparing Faces. - Yusuke Akamatsu; Terumi Umematsu; Hitoshi Imaoka; Shizuko Gomi; Hideo Tsurushima (WACV, 2025)