Optimization methods in texture encoding,motion estimate and rate control are proposed and implemented, and the result of optimization is analyzed. These works make preparations for the transplantation the MPEG4 video encoder on mobile communication equipments.
其次，研究了MPEG4视频压缩标准的关键算法，对纹理编码、运动估计和补偿、速率控制等模块进行了优化，降低了计算复杂度，提高了编码速度，并对优化的结果作了比较和分析，为今后将MPEG4视频编码器移植到移动通信设备上奠定了基础。
参考来源 - MPEG4视频编码器算法研究及优化·2,447,543篇论文数据，部分数据来源于NoteExpress
Each object is specified by three sets of parameters, namely, motion, shape as well as texture information. Among them, both motion estimation and shape encoding are particularly critical.
每一个对象由三个参数集表示，即运动、形状以及纹理信息，其中运动估计与形状编码为两个最重要的部分。
Lighting values are encoded using logarithmic encoding to provide extended dynamic range than usually possible with ARGB32 texture.
光照值采用对数值编码以产生比通常ARGB32纹理所能达到的动态扩展范围。
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