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Abstract:-

Project Code:  

MIP1603

Published Year:  

2016

Analyzing the Effect of JPEG Compression on Local Variance of Image Intensity

Descripition:

The local variance of image intensity is a typical measure of image smoothness. It has been extensively used, for example, to measure the visual saliency or to adjust the filtering strength in image processing and analysis. However, to our knowledge, no analytical work has been reported about the effect of JPEG compression on image local variance. In this paper, a theoretical analysis on the variation of local variance caused by JPEG compression is presented. First, the expectation of intensity variance of 8_8 non-overlapping blocks in a JPEG image is derived.it has the potential to be used in some areas of image processing and analysis, such as image enhancement, image quality assessment and image filtering.

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Analyzing the Effect of JPEG Compression on Local Variance of Image Intensity
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