import cv2
def test22():
  src = cv2.imread("test1.jpg")
  # 灰度图片转换

  gray = cv2.cvtColor(src, cv2.COLOR_BGR2GRAY)
  # 二进制阈值化处理
  r, b = cv2.threshold(gray, 155, 255, cv2.THRESH_BINARY)
  # 显示图像
  cv2.imshow("src", src)
  cv2.imshow("result", b)
  print(r)

  if cv2.waitKey(0) == 27:
    cv2.destroyAllWindows()
test22()