PTZ camera assisted face acquisition, tracking & recognition. - Hyun-Cheol Choi; Unsang Park; Anil K. Jain 001 (BTAS, 2010)

NFRAD: Near-Infrared Face Recognition at a Distance. - Hyunju Maeng; Hyun-Cheol Choi; Unsang Park; Seong-Whan Lee; Anil K. Jain 001 (IJCB, 2011)

Face Tracking and Recognition at a Distance: A Coaxial and Concentric PTZ Camera System. - Unsang Park; Hyun-Cheol Choi; Anil K. Jain 001; Seong-Whan Lee (IEEE Trans. Inf. Forensics Secur., 2013)