H.263+ Video Encoder/Decoder LSI Featuring System-MSPA Architecture and Improved Rate Control Method. - Tsuyoshi Isshiki; Chawalit Honsawek; Trio Adiono; Kazuhito Ito; Tomohiko Ohtsuka; Dongju Li; Hiroaki Kunieda (ISAS-SCI (1), 2001)

A new approach to detect core and delta of the fingerprint using extended relational graph. - Tomohiko Ohtsuka; Akiyoshi Kondo (ICIP (3), 2005)

A New Core and Delta Detection for Fingerprints Using the Extended Relation Graph. - Tomohiko Ohtsuka; Akiyoshi Kondo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

A New Detection Approach for the Fingerprint Core Location Using Extended Relation Graph. - Tomohiko Ohtsuka; Takeshi Takahashi (IEICE Trans. Inf. Syst., 2005)

Fingerprint Core and Delta Detection by Candidate Analysis. - Tomohiko Ohtsuka; Daisuke Watanabe; Hiroyuki Aoki (MVA, 2007)

Reliable detection of core and delta in fingerprints by using singular candidate method. - Tomohiko Ohtsuka; Daisuke Watanabe; Daisuke Tomizawa; Yuta Hasegawa; Hiroyuki Aoki (CVPR Workshops, 2008)

Singular Candidate Method: Improvement of Extended Relational Graph Method for Reliable Detection of Fingerprint Singularity. - Tomohiko Ohtsuka; Daisuke Watanabe (IEICE Trans. Inf. Syst., 2010)

Advanced ridge flux analysis for fingerprint minutiae detection. - Tomohiko Ohtsuka (ICPR, 2012)

Reliable background prediction using approximated GMM. - Tomosuke Maeda; Tomohiko Ohtsuka (MVA, 2015)

Pupil Center Detection by Abstracted Contour Graph Analysis for Iris Detection. - Riki Ishikawa; Tomohiko Ohtsuka (SMC, 2018)