An Object-Based Fast Motion Estimation Algorithm in MPEG-4

被引：0
|
作者：
孙雷
张文军
余松煜
刘勋
机构：
[1] Inst.of Image Communication & Information Processing Shanghai Jiaotong Univ. Shanghai 200030
[2] China
来源：
Journal of Shanghai Jiaotong University(Science) | 2006年 / 03期
关键词：
MPEG-4; motion estimation; video object;
D O I：
暂无
中图分类号：
TN919.81 [图像编码];
学科分类号：
摘要：
This paper presented an object-based fast motion estimation (ME) algorithm for object-based texture coding in moving picture experts group four (MPEG-4), which takes full advantage of the shape information of video object. Compared with the full search (FS) algorithm, the proposed algorithm can significantly speed the ME process. The speed of ME using the proposed algorithm is faster than that using new three-step search (NTSS), four-step search (4SS), diamond search (DS), and block-based gradient descent search (BBGDS) algorithms with similar motion compensation (MC) errors. The proposed algorithm can be combined with other fast ME algorithm to make the ME process faster.
引用
收藏
页码：340 / 345
页数：6
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