摘要
针对H.264/AVC视频压缩算法中运动估计模块计算复杂度高的问题,提出了一种基于积分图像的运动估计快速算法。算法通过对单元块进行预计算求和,在块匹配运算时使用单元块级绝对差值。该算法能够在保证视频编码质量的前提下,大幅度提高运动估计模块的计算效率。算法适用于视频会议等要求视频实时压缩的应用。
H.264/AVC video compression algorithm motion estimation module in high computational complexity of the problem, we propose a motion estimation based on integral image fast algorithm. Algorithm for unit blocks precomputed sum arithmetic is used in block matching unit block-level absolute difference. The algorithm can guarantee the quality of video coding under the premise of the motion estimation module gready improve the computational efficiency. Algorithm is suitable for real-time video conferencing and other demandin~ video compression applications.
出处
《网络安全技术与应用》
2013年第8期63-64,共2页
Network Security Technology & Application
