SIMD OPTIMIZATION OF THE H.264/SVC DECODER WITH EFFICIENT DATA STRUCTURE

被引：4
|
作者：
Lee, Joohyun [1 ]
Jeon, Gwanggil [1 ]
Park, Sangiun [1 ]
Jung, Taeyoung [1 ]
Jeong, Jechang [1 ]
机构：
[1] Hanyang Univ, Dept Elect & Comp Engn, Seoul 133791, South Korea
来源：
2008 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-4 | 2008年
关键词：
Optimization methods; Video coding;
D O I：
10.1109/ICME.2008.4607373
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
H.264/scalable video coding (SVC) is a new compression technique that can adapt to various network environments and applications. However, despite its outstanding performance, H.264/SVC has considerable complexity burden on decoding, especially in inverse transform and interpolation for motion compensation. We first analyze the Joint Scalable Video Model (JSVM) decoder to identify time-consuming modules of H.264/SVC. Based on the analysis, we present the single instruction multiple data (SIMD) Optimization methods for 4x4 inverse transform and interpolation for motion compensation with an efficient data structure. On a 2.4 GHz Intel Pentium IV processor, the proposed methods reduce considerably the computation time for inverse transform and interpolation for motion compensation, compared to JSVM software.
引用
收藏
页码：69 / 72
页数：4
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