import numpy as np import cv2 def click_event(event, x, y, flags, param): if event == cv2.EVENT_LBUTTONDOWN: blue = img[x, y, 0] green = img[x, y, 1] red = img[x, y, 2] cv2.circle(img, (x,y), 3, (0, 0, 255), -1) mycolorImage = np.zeros((512, 512, 3), np.uint8) mycolorImage[:]=[blue, green, red] cv2.imshow('color', mycolorImage) img = cv2.imread('lena.jpg') cv2.imshow('image', img) points = [] cv2.setMouseCallback('image', click_event) cv2.waitKey(0) cv2.destroyAllWindows()
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