HARDWARE-ORIENTED DIRECTION-BASED FAST FRACTIONAL MOTION ESTIMATION ALGORITHM IN H.264/AVC

被引：7
|
作者：
Song, Yang [1 ]
Ma, Yao [1 ]
Liu, Zhenyu [1 ]
Ikenaga, Takeshi [1 ]
Goto, Satoshi [1 ]
机构：
[1] Waseda Univ, Tokyo, Japan
来源：
2008 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-4 | 2008年
关键词：
fractional motion estimation; H.264; AVC;
D O I：
10.1109/ICME.2008.4607608
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, a hardware-oriented fast fractional motion estimation (FME) algorithm for H.264/AVC is proposed. For both 1/2-pixel and 1/4-pixel FME, only 4 points are searched, and thus the required processing unit (PU) number is reduced from 9 to 4. Experiments show that the proposed algorithm can provide very similar image quality as full search, and the average PSRN drop is 0.17dB or bitrate increase is 4.08%. Compared with the full search FME hardware architecture [5], the proposed algorithm can effectively reduce about 32.3% hardware cost and thus is very suitable for low-cost and low-power applications.
引用
收藏
页码：1009 / 1012
页数：4
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