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python cv2 canny overlay on image

edges = cv2.Canny(main_image,50,200)
edges_rgb = cv2.cvtColor(edges, cv2.COLOR_GRAY2RGB)

dst = cv2.addWeighted(main_image,1.0,edges_rgb,0.5,0)

cv2.imshow('DST Window', dst)

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python cv2 canny overlay on image

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