Overlapped block motion compensation based on irregular grid

被引：0
作者：
Choi, Byeong-Doo [1 ]
Han, Jong-Woo [1 ]
Jung, Seung-Won [1 ]
Nam, Ju-Hun [1 ]
Ko, Sung-Jea [1 ]
机构：
[1] Korea Univ, Dept Elect Engn, 5-1 Anamdong, Seoul 136701, South Korea
来源：
2006 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING, ICIP 2006, PROCEEDINGS | 2006年
关键词：
motion compensation; motion analysis; image processing;
D O I：
10.1109/ICIP.2006.312744
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this work, we propose a hybrid motion compensation integrating the advantages of control grid interpolation (CGI) and overlapped block motion compensation (OBMC). We consider control points of CGI and overlapped window of OBMC as sampling points and spread function of motion vector, respectively. Then, a whole motion field in a frame is composed of motion vectors on sampling points and their spreadings. In this view-point, the conventional OBMC is considered as regular grid based OBMC (RG-OBMC) while the proposed OBMC is called irregular grid based OBMC (IG-OBMC). Experimental results demonstrate that the proposed IG-OBMC achieves improved visual quality as well as better PSNR performance than conventional motion compensation methods.
引用
收藏
页码：1085 / +
页数：2
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