A high quality fast motion estimation algorithm for H.264/AVC

被引：0
|
作者：
You, Wenqi [1 ]
Song, Yang [1 ]
Ikenaga, Takeshi [1 ]
Goto, Satoshi [1 ]
机构：
[1] Waseda Univ, IPS, Kitakyushu, Fukuoka 8080135, Japan
来源：
CISP 2008: FIRST INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING, VOL 1, PROCEEDINGS | 2008年
关键词：
D O I：
10.1109/CISP.2008.187
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes a novel computational structure for Sum of Absolute Difference (SAD) in Fast Full Search (FFS) algorithm to ellipsis part of the SAD value dependency. This structure adopts an SAD Accumulating Termination Algorithm (SAD-ATA) and an Early Loop Termination Decision (ELTD). SAD-ATA is used to analyze and determine whether to skip the following operation of successive SAD accumulation or not, and ELTD is for the control and reduction of SAD comparison loops' degree in FFS ME. The Ratio Distortion (RD) based simulation results show that the proposed algorithm achieves an acceleration in ME processing speed by averagely more than 92% and 20% reduction compared with Full Search (FS) and Fast Full Search (FFS) in H.264 JM12.4, respectively. Meanwhile, the impact on video quality is negligible.
引用
收藏
页码：375 / 379
页数：5
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