Fast Image Restoration for Reducing Block Artifacts Based on Adaptive Constrained Optimization. - Tae Keun Kim; Joon Ki Paik (J. Vis. Commun. Image Represent., 1998)

Blocking effect reduction of compressed images using classification-based constrained optimization. - Tae Keun Kim; Joon Ki Paik; Chee Sun Won; Yoonsik Choe; Jechang Jeong; Jae Yeal Nam (Signal Process. Image Commun., 2000)