Image Quality Enhancement Algorithm by using Picture Naturalness Index and Minimizing loss of Picture Colorfulness

摘要

A display is a viewer-judging product and thus the perceptive image quality of flat panel display is one of the most significant indicators. Most image quality model assumes major two indicators-image colorfulness and naturalness- as the significant constraint to determine image quality. In this paper, we focused on image naturalness. Using the naturalness index, we corrected pixels to show more evenly natural. In this process an alternative parameter of colorfulness can be decreased. So, we added extra step to compensate the image colorfulness using color difference. Based on this electro physical value, simulated image can fit on original colorfulness. The results were verified by subjective experiment, with 15 viewers.