Current speaker detection system using lip motion information. - Heak Bong Kwon; Young-Jun Song; Un-Dong Chang; Jae-Hyeong Ahn (Image Processing: Algorithms and Systems, 2006)

(2D)2 DLDA for Efficient Face Recognition. - Dong Uk Cho; Un-Dong Chang; Kwan-Dong Kim; Bong-Hyun Kim; Se Hwan Lee (PSIVT, 2006)

2D Direct LDA Algorithm for Face Recognition. - Dong Uk Cho; Un-Dong Chang; Bong-Hyun Kim; Se Hwan Lee; Young Lae J. Bae; Soo Cheol Ha (SERA, 2006)

Face recognition robust to left/right shadows; facial symmetry. - Young-Jun Song; Young Gil Kim; Un-Dong Chang; Heak Bong Kwon (Pattern Recognit., 2006)

Face recognition using a fusion method based on bidirectional 2DPCA. - Young Gil Kim; Young-Jun Song; Un-Dong Chang; Dong-Woo Kim; Tae-Sung Yun; Jae-Hyeong Ahn (Appl. Math. Comput., 2008)