Understanding of hand motion in sentence level using HMM. - Boohyung Lee; Youngjoon Han; Hwanik Chung; Hernsoo Hahn (Human Vision and Electronic Imaging, 2004)

Fast fractal image encoder using NN-based block classifier and improved isometry transformation. - Hwanik Chung; Boohyung Lee; Hernsoo Hahn (Image Processing: Algorithms and Systems, 2004)