/img/lena.jpg", 0)
ret, imgBin = cv2.threshold(imgGray, 0, 255, cv2.THRESH_BINARY | cv2.THRESH_OTSU).../img/lena.jpg", 0)
ret, imgBin = cv2.threshold(imgGray, 0, 255, cv2.THRESH_BINARY | cv2.THRESH_OTSU).../img/lena_noise.jpg", 0)
ret, imgBin = cv2.threshold(imgGray, 0, 255, cv2.THRESH_BINARY | cv2.THRESH_OTSU.../img/lena.jpg", 0)
ret, imgBin = cv2.threshold(imgGray, 15, 255, cv2.THRESH_BINARY | cv2.THRESH_OTSU).../img/lena.jpg", 0)
ret, imgBin = cv2.threshold(imgGray, 25, 255, cv2.THRESH_BINARY | cv2.THRESH_OTSU)