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Contrast distortion is a common distortion type in the image applications. However, there are still very limited approaches proposed for quantifying the quality of the contrast-distorted images reliably. In this paper, we devise a novel no-reference/blind quality assessment method for those contrast-distorted images. In the proposed method, we characterize the image quality by deeply investigating multiple contrast distortion-relevant properties of the image, i.e., spatial characteristics,doi:10.1109/access.2020.2991842 fatcat:kqgfvrse4rdrdjaih4cwynnlrq