基于速率和失真曲线分析的JPEG2000编码器验证

14th IEEE International Symposium on Design and Diagnostics of Electronic Circuits and Systems Pub Date : 2011-04-13 DOI:10.1109/DDECS.2011.5783097

D. Modrzyk, M. Staworko

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引用次数: 1

摘要

提出了一种基于速率和失真曲线分析的JPEG2000压缩系统验证方法。本文讨论了主观和客观图像质量度量的问题，特别关注“全参考”方法。作者提出将测试图像分成空间频率含量相近、分辨率相同的几组。实验结果表明，重构图像的PSNR和deltaPSNR随机变量均为正态分布。该方法利用正态分布的三西格玛规则对失败测试进行智能分类。

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Verification of JPEG2000 encoder based on rate and distortion curve analysis

Article presents a methodology of JPEG2000 compression system verification based on a rate and distortion curve analysis. In the paper issues of subjective and objective image quality metrics are discussed, with special focus on “full-reference” methods. Authors propose division of the test images, into several groups, of similar spatial frequency content and the same resolution. Performed experiments revealed normal distribution of PSNR and deltaPSNR random variables, defined for reconstructed images. The elaborated methodology takes advantage of the normal distribution's three-sigma rule to smart classification of failed tests.

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14th IEEE International Symposium on Design and Diagnostics of Electronic Circuits and Systems

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