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navin-mohan/diff.py

Created August 9, 2016 15:38
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Subtracting Two Images - OpenCV Python
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diff.py
import cv2
def diff(img,img1): # returns just the difference of the two images
return cv2.absdiff(img,img1)
def diff_remove_bg(img0,img,img1): # removes the background but requires three images
d1 = diff(img0,img)
d2 = diff(img,img1)
return cv2.bitwise_and(d1,d2)
@muralisb
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Can you please explain why 3 images are used and what are those images?

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