Learning a decision boundary for face detection. - Tae-Kyun Kim 001; Donggeon Kong; Sang Ryong Kim (ICIP (1), 2002)

Speech enhancement and recognition using circular microphone array for service robots. - Changkyu Choi; Donggeon Kong; Jaywoo Kim; Seokwon Bang (IROS, 2003)

Separation of multiple concurrent speeches using audio-visual speaker localization and minimum variance beam-forming. - Changkyu Choi; Donggeon Kong; Hyoung-Ki Lee; Sang Min Yoon (INTERSPEECH, 2004)

Real-time audio-visual localization of user using microphone array and vision camera. - Changkyu Choi; Donggeon Kong; Sujin Lee; Kiyoung Park; Sun-Gi Hong; Hyoung-Ki Lee; Seokwon Bang; Yongbeom Lee; Sang Ryong Kim (IROS, 2005)

Improved Kanade-Lucas-Tomasi tracker for images with scale changes. - Hyoung-Ki Lee; Ki-Whan Choi; Donggeon Kong; Jonghwa Won (ICCE, 2013)