块大小对JPEG压缩性能的影响

2019 IEEE 17th International Symposium on Intelligent Systems and Informatics (SISY) Pub Date : 2019-09-01 DOI:10.1109/SISY47553.2019.9111506

P. Miklós, Z. Trpovski

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引用次数: 2

摘要

本文重点研究了块大小对JPEG压缩过程性能的影响。除了8x8块，还测试了4x4,16x16和32x32块大小。研究了一种可变大小的块划分方法。作为质量度量，计算峰值信噪比(PSNR)和结构相似指数(SSIM)。还比较了每种情况下的压缩比(CR)。

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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Influence of block size on JPEG compression performance

This paper focuses on investigating the block size influence on the performance of the JPEG compression process. Apart from 8x8 blocks, 4x4,16x16 and 32x32 block sizes are also tested. A variable size block division is also investigated. As a quality measure, peak signal-to-noise ratio (PSNR) and structural similarity index (SSIM) are calculated. The compression ratios (CR) for each case are compared also.

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来源期刊

2019 IEEE 17th International Symposium on Intelligent Systems and Informatics (SISY)

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