did you even try that?
look at the cat’s chest, or any other dark region. that’s what happens when your method inverts black… arbitrary colors, but light instead of dark.
>>> im = cv.imread("cat.jpg")
>>> hsv = cv.cvtColor(im, cv.COLOR_BGR2HSV)
>>> hsv[:,:,2] = 255 - hsv[:,:,2]
>>> cv.imshow("wat", cv.cvtColor(hsv, cv.COLOR_HSV2BGR)); cv.waitKey()
output:
source:
