DV到MPEG1压缩域转换的新运动估计算法

1999 Digest of Technical Papers. International Conference on Consumer Electronics (Cat. No.99CH36277) Pub Date : 1999-06-22 DOI:10.1109/ICCE.1999.785211

Ching-Fang Chang, N. Izumi, N. Yanagihara, C.C. Lee

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引用次数: 3

摘要

运动估计是MPEG1视频编码器中最耗时的过程之一。本文提出了一种新的用于DV到MPEG1转换的分层运动估计算法。该算法采用了一种新颖的稀疏搜索方法，块匹配利用了压缩域的积分投影信息。该算法在保持峰值信噪比(PSNR)的同时，其计算复杂度远低于目前行业中可用的运动估计算法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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New motion estimation algorithm for DV to MPEG1 compression domain conversion

Motion estimation is one of the most time-consuming processes in an MPEG1 video encoder. In this paper, a novel hierarchical motion estimation algorithm for DV to MPEG1 conversion is presented. The algorithm performs a novel sparse search, and the block matching utilizes integral projection information from the compression domain. The algorithm has a much smaller computation complexity than those motion estimation algorithms currently available in the industry while maintaining comparable PSNR (peak signal-to-noise ratio).

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来源期刊

1999 Digest of Technical Papers. International Conference on Consumer Electronics (Cat. No.99CH36277)

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