Image blockiness evaluation based on Sobel operator
作者： C. Perra , F. Massidda , D.D. Giusto
DOI: 10.1109/ICIP.2005.1529769
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摘要: … This paper presents a novel no-reference image blockiness index which exploits the properties of the Sobel operator. The blockiness index is a combination of two measures. The first …
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