PTrace: Pushback/SVM Based ICMP Traceback Mechanism against DDoS Attack. - Hyung-Woo Lee; Min-goo Kang; Chang-Won Choi (ICCSA (1), 2004)

Efficient Detection and Tracking of Road Signs Based on Vehicle Motion and Stereo Vision. - Chang-Won Choi; Sung-In Choi; Soon-Yong Park (ACIVS, 2013)