文件名称:H.263H.263+
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本文对 H.263/H.263+视频编解码系列的基本原理、系统结构和压缩方法等做了简
要分析，并对运动估计方法作了算法上的改进，提出了一种提前预测运动矢量分级搜索
的方法，该算法搜索点少，运算量小，精度也比较高。在此基础上，以H.263/H.263+视
频编解码算法为核心，结合Winsock编程和多线程处理等技术，在局域网内实现了基于
PC机的图像实时传输。另外，结合TI公司的高性能定点处理芯片TMS320C6416的结
构和特点，利用多种优化方法，对H.263/H.263+的编码程序进行代码级的优化，并最终
在TMS320C6416 DSP芯片上实现了对H.263/H.263+视频编码过程的实时处理，获得了
良好的压缩效果和处理效率。
要分析，并对运动估计方法作了算法上的改进，提出了一种提前预测运动矢量分级搜索
的方法，该算法搜索点少，运算量小，精度也比较高。在此基础上，以H.263/H.263+视
频编解码算法为核心，结合Winsock编程和多线程处理等技术，在局域网内实现了基于
PC机的图像实时传输。另外，结合TI公司的高性能定点处理芯片TMS320C6416的结
构和特点，利用多种优化方法，对H.263/H.263+的编码程序进行代码级的优化，并最终
在TMS320C6416 DSP芯片上实现了对H.263/H.263+视频编码过程的实时处理，获得了
良好的压缩效果和处理效率。
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H.263H.263+视频编解码器的研究与实现
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