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import cv2 as cv if __name__ == '__main__': img = cv.imread("Contours.jpg", flags=1) imgGray = cv.cvtColor(img, cv.COLOR_BGR2GRAY) ret, thresh = cv.threshold(imgGray, 127, 255, cv.THRESH_BINARY_INV)
contours, hierarchy = cv.findContours( thresh, cv.RETR_TREE, cv.CHAIN_APPROX_SIMPLE)
contourPic = cv.drawContours(img, contours, -1, (0, 0, 255), 2) cv.imshow("ContourPicture", contourPic)
cv.waitKey(0) cv.destroyAllWindows()