Abstract: This paper analyzes the key modules of the encoder which can be power-optimized. Based on the analysis results, a novel computation resource allocation algorithm is proposed. The algorithm can allocate the computation resource of the encoder adaptive to video contents and available battery power. Experimental results show that the proposed algorithm can highly reduce the computational complexity of the encoder, reduce battery power consumption, and extend the working hours of energy-constrained devices.

Key words: video coding, H.264 standard, computation resource allocation, motion estimation, battery power

摘要： 分析影响H.264运动估计复杂度的因素，提出一种新的H.264计算资源分配算法。该算法可以根据视频运动复杂性和能量受限设备的电池能量自适应调整H.264编码参数。实验结果表明，该算法在保持视频编码质量基本不变的同时，可以降低编码器的计算复杂度，减少电池能量消耗，延长能量受限设备的工作时间。

关键词: 视频编码, H.264标准, 计算资源分配, 运动估计, 电池能量

CLC Number: 

• TP301.6