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

Table 2

Evaluation index of denoising effect of different denoising algorithms.

Denoising method	RMSE	PSNR
Mean denoising	307.14593	21.03142
Median denoising	259.65736	32.73148
Hybrid denoising	242.47657	33.45765
Traditional Gaussian denoising	210.32459	34.87167
Paper-proposed denoising	190.10174	36.91472