■文 献 (1) Tanizawa, A. et al. "Multi-directional Implicit Weighted Prediction Based on Image Characteristics of Reference Pictures for Inter Cod- ing". Proc. 2012 IEEE International Conference on Image Processing (ICIP 2012). Orland, FL, USA, 2012-10, IEEE. 2012, p.1545-1548. (2) Yamaguchi, J. et al. "One-Dimensional Directional Unified Transform for Intra coding". Proc. ICIP 2011. Brussels, Belgium, 2011-09, IEEE. 2011, p.3681-3684.