Improved point distribution model with curvature for boundary finding. - Hae-Chul Choi; Seong-Dae Kim (VCIP, 2002)

Bayesian face detection in an image sequence using face probability gradient ascent. - Jae Hee Park; Hae-Chul Choi; Seong-Dae Kim (ICIP (2), 2005)

SP Picture for Scalable Video Coding. - Jie Jia; Hae-Kwang Kim; Hae-Chul Choi (PSIVT, 2007)

Generalized elastic graph matching for face recognition. - Hochul Shin; Seong-Dae Kim; Hae-Chul Choi (Pattern Recognit. Lett., 2007)