Abstract:Image degradation deforms the structure of image, thus analysis of structural distortions of image is beneficial to image quality assessment (IQA). This paper proposes a novel structural information-based IQA metric, in which image gradient vector, composed of magnitude and phase components, is used to describe the structural information of an image. Since the phase quantization code of the phase component can also reflect the change of image quality to some extent, Hamming distance between the phase quantizat… Show more
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