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

Figure 6

The enhancement of scene 1 and scene 2. (a) Scene 1. (b) The enhancement effect with global histogram. (c) The enhancement effect with local histogram. (d) Scene 2. (e) The enhancement effect with global histogram. (f) The enhancement effect with local histogram.

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