H．26L标准中1／4像素精度运动估计的优化

Optimization of the 1/4 Pixel Accuracy Motion Estimation In the H.26L Video Coding Standard

摘要:

为了提高H．26L中1／4像素精度运动估计的速度，提出了基于快速SAD(Sums of Absolute Difference)优化算法。这种算法在保证图像质量的前提下，使H．26L视频编码的速度大大提高。

关键词:H.26L标准 1／4像素精度 运动估计 视频编码 SAD

Abstract:

In order to accelerate the motion estimation of the 1/4 pixel accuracy in H.26L, an optimized algorithm based on fast SAD(Sums of Absolute Difference) is presented, which highly speeds up the H.26L coding program on the premise of maintaining the video qu

Key words:information processing technique,motion estimation,optimization algorithm,1/4 pixel