add threshold in GRAD-CAM

Question

laborer123 opened this issue 3 years ago · 3 comments

if the blue region is restored to the original image by threshold could be better

Answer 1 · 2021-04-17T08:29:33.000Z

cv2.addWeighted can‘t solve this problem. because it's mapped from the heatmap

Answer 2 · 2021-11-15T20:49:29.000Z

I'm not sure what you mean. Do you mean that the activation map overlay should be thresholded?

Answer 3 · 2021-11-16T01:35:50.000Z

I'm not sure what you mean. Do you mean that the activation map overlay should be thresholded?

I think the blue area could restore original image pixel value, only show the circled part of heatmap, but i didn't find a way to do that