快速运动估计的vdh -网格搜索算法

2013 Data Compression Conference Pub Date : 2013-03-20 DOI:10.1109/DCC.2013.86

Robson Lins, Diogo B. Henriques, Emerson Lima, Silvio Melo

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引用次数: 0

摘要

本文提出了一种基于低差异序列的快速块匹配运动估计算法。在分析了H.264/AVC参考软件中实现的UMHS算法后，提出了该技术(VDHS)。优化主要集中在减少候选块数量和使用基于VDH的像素子采样，以加快SAD的计算速度。实验结果表明，该方法计算量小，PSNR损失小，比特率增加小。

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VDH-Grid Search Algorithm for Fast Motion Estimation

This work presents a fast block matching method for motion estimation algorithms by using low discrepancy sequences. The proposed technique (VDHS) was developed after analyzing the UMHS algorithm implemented within the H.264/AVC Reference Software. The optimizations are focused both in the reduction of the number of candidate blocks and the usage of pixel sub sampling based on VDH in order to accelerate SAD's computation. Experimental results show that the proposed technique has a lower computational effort with an insignificant loss on PSNR and slight increment on the bit-rate.

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2013 Data Compression Conference

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