Current trend in natural disaster warning systems based on computer vision techniques. - ByoungChul Ko; Joon Young Kwak; June Hyeok Hong; Jae-Yeal Nam (ACPR, 2011)

Human action recognition in still images using action poselets and a two-layer classification model. - ByoungChul Ko; June Hyeok Hong; Jae-Yeal Nam (J. Vis. Lang. Comput., 2015)