A New Method of Image Denoising for Underground Coal Mine Based on the Visual Characteristics

Table 1

Value of chromatism and sensitivity level to the color differences.

Value of chromatism	Sensitivity level to the color differences
0.0~0.50	(Tiny chromatic aberration) trivial feeling
0.5~1.51	(Small chromatic aberration) slight feeling
1.5~3	(Lesser chromatic aberration) noticeable feeling
3~6	(Larger chromatic aberration) appreciable feeling
Above 6	(Large chromatic aberration) strong feeling