摘要： 针对AVS分像素运动估计的问题，提出一种优化的估计方法。包括分像素自适应提前中止算法和改进的分像素内插方法。该方法能降低分像素运动搜索的内插复杂度和搜索次数，适用于DSP、FPGA等嵌入式平台的实现。实验结果表明，在保证图像质量的前提下，该算法的总体运算复杂度降低了70%以上。

关键词: 分像素, 嵌入式, 运动估计

Abstract: An optimization method of AVS sub-pixel motion estimation is proposed. The method is devided into two parts, one is adaptive sub-pixel early termination algorithm and the other is an improved way of sub-pixel interpolation. The proposed method can highly reduce the interpolation complexity and search points for sub-pixel motion estimation, which is appropriate to be used on embedded system. The computational complexity can be reduced above 70% with the new method without losing the quality of the video.

Key words: sub-pixel, embedded, motion estimation

中图分类号: 

• TP311.12