An Image Preprocessing Model of Coal and Gangue in High Dust and Low Light Conditions Based on the Joint Enhancement Algorithm

Table 1

PSNR comparison of bilateral filtering and adaptive filtering.

Methods	Bilateral filtering	Adaptive filtering
Scene 1	74.1705	73.8744
Scene 2	76.9725	75.5121
Scene 3	77.0361	75.9824
Scene 4	73.8625	71.4779
Scene 5	72.5784	70.7388
Scene 6	74.6327	73.0253