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Implementation of MPEG-4 Video Encoder Based on TMS320DM642
Author(s): ZHOU Ya-yun, XU Yuan-xin, FANG Jian, ZHANG Wei-ming, YU yuan, ZHANG Ming
Pages: 36-
38,42
Year: 2005
Issue:
6
Journal: VIDEO ENGINEERING
Keyword: MPEG-4标准; 数字信号处理器; TMS320DM642芯片; 运动估计; 搜索模板;
Abstract: 给出在TMS320DM642 DSP平台上实现MPEG-4视频编码器所用到的优化方法.这些方法包括算法的改进及存储器的合理分配,以提高程序代码的并行性,减少计算量,重点是运动估计模块及其相关问题的设计优化.该编码器可以在CIF大小图像格式下以25f/s左右的速度进行编码,满足实时视频编码的要求.
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