Fig. 5
From: Research on efficient matching method of coal gangue recognition image and sorting image

The Visualization of feature point detection. (a) Feature detection in original recognition image. (b) Feature detection in the MSRCR enhanced recognition image. (c) Feature detection in the IMSRCR enhanced recognition image. (d) Feature detection in original sorting image. (e) Feature detection in the MSRCR enhanced sorting image. (f) Feature detection in the IMSRCR enhanced sorting image.