DCT原理及其在视频压缩编码中的实现
首发时间:2008-07-23
摘要:本文以视频压缩编码为背景,从DCT的基本原理入手,介绍了DCT在压缩编码实现过程中的快速算法:LLM算法、提升格式的快速DCT算法。详细介绍了基于提升格式的BinDCT的实现原理和特性,并对各种算法性能进行比较和分析。
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DCT Theory and Implement in Video Compression Encoding
Abstract:Using the video compression encoding as the background, the paper introduce the theory of DCT and the quick arithmetic of DCT such as: LLM arithmetic, advanced quick DCT in the process of video compression encoding. The paper detailed introduced the implement elements and characteristic of arithmetic of BinDCT which based on advanced quick DCT. Finally, compare and analyze the performance of some arithmetic.
Keywords: DCT Lifting Scheme Rotation Matrix
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No.2301828712612167****
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