Recognizing Multiple Persons' Facial Expressions Using HMM Based on Automatic Extraction of Significant Frames from Image Sequences. - Takahiro Otsuka; Jun Ohya (ICIP (2), 1997)

Converting Facial Expressions Using Recognition-Based Analysis of Image Sequences. - Takahiro Otsuka; Jun Ohya (ACCV (2), 1998)

Extracting Facial Motion Parameters by Tracking Feature Points. - Takahiro Otsuka; Jun Ohya (AMCP, 1998)

Recognizing Abruptly Changing Facial Expressions from Time-Sequential Face Images. - Takahiro Otsuka; Jun Ohya (CVPR, 1998)

Spotting Segments Displaying Facial Expression from Image Sequences Using HMM. - Takahiro Otsuka; Jun Ohya (FG, 1998)

Real-time estimation of head motion using weak perspective epipolar geometry. - Takahiro Otsuka; Jun Ohya (WACV, 1998)

Amplifying spatial rotations in 3D interfaces. - Ivan Poupyrev; Suzanne Weghorst; Takahiro Otsuka; Tadao Ichikawa (CHI Extended Abstracts, 1999)

Towards the realization of non-verbal communication - computer vision based technologies for analyzing human images. - Jun Ohya; Takahiro Otsuka; Akira Utsumi; Shoichiro Iwasawa; Tatsumi Sakaguchi (HCI (2), 1999)

Intention Understanding in Small Training Data Sets by Using Transfer Learning. - Hideaki Joko; Yusuke Koji; Hayato Uchide; Takahiro Otsuka (ICMU, 2018)

Learning Word Embeddings Using Spatial Information. - Hideaki Joko; Ryunosuke Oka; Hayato Uchide; Hiroyasu Itsui; Takahiro Otsuka (SMC, 2019)