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tuncatunc/generate mask of an png image.py

Created February 22, 2022 13:05
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generate mask of an png image.py
# https://www.geeksforgeeks.org/opencv-alpha-blending-and-masking-of-images/
import cv2
im = cv2.imread("black glasses.png", cv2.IMREAD_UNCHANGED)
_, mask = cv2.threshold(im[:, :, 3], 1, 255, cv2.THRESH_BINARY)
cv2.imwrite('mask1.jpg', mask)
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