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)

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)

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)

The Power of Log-Sum-Exp: Sequential Density Ratio Matrix Estimation for Speed-Accuracy Optimization. - Taiki Miyagawa; Akinori F. Ebihara (ICML, 2021)

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

Convolutional Neural Networks for Time-dependent Classification of Variable-length Time Series. - Azusa Sawada; Taiki Miyagawa; Akinori F. Ebihara; Shoji Yachida; Toshinori Hosoi (IJCNN, 2022)

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

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)

Federated Source-Free Domain Adaptation for Classification: Weighted Cluster Aggregation for Unlabeled Data. - Junki Mori; Kosuke Kihara; Taiki Miyagawa; Akinori F. Ebihara; Isamu Teranishi; Hisashi Kashima (WACV, 2025)

Robust Deepfake Detection for Electronic Know Your Customer Systems Using Registered Images. - Takuma Amada; Kazuya Kakizaki; Taiki Miyagawa; Akinori F. Ebihara; Kaede Shiohara; Toshihiko Yamasaki (CoRR, 2025)