Fast multi-frame motion estimation and mode decision for H.264 encoders

被引：0
|
作者：
Lin, SF [1 ]
Chang, CY [1 ]
Su, CC [1 ]
Lin, YL [1 ]
Pan, CH [1 ]
Chen, H [1 ]
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei, Taiwan
来源：
2005 INTERNATIONAL CONFERENCE ON WIRELESS NETWORKS, COMMUNICATIONS AND MOBILE COMPUTING, VOLS 1 AND 2 | 2005年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
H.264/AVC achieves higher compression efficiency than previous video coding standards. However, this performance gain comes at the cost of an increased computational complexity due, in part. to the use of variable block size motion estimation, multiple reference frames, and rate-distortion mode decision. In this paper, we develop a combined algorithm for fast motion estimation and mode decision by exploiting the motion and cost information available from the blocks that have been processed prior to the current block. At the cost of a slight bit rate increase and PSNR drop, this method, on the average, is about 10.5 times faster than the H.264 reference software JM 8.5 in the total encoding time.
引用
收藏
页码：1237 / 1242
页数：6
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