helpers.py 文件源码

def fixed_threshold(image, thresh_value=120, above_thresh_assigned=255, thresh_style=cv.THRESH_BINARY_INV):
  '''
  :param thres_value: the threshold constant.
  :param thresh_style: can be any of the following.
                      cv.THRESH_BINARY
                      cv2.THRESH_BINARY_INV
                      cv2.THRESH_TRUNC
                      cv2.THRESH_TOZERO
                      cv2.THRESH_TOZERO_INV
   '''
  ret, thresholded = cv.threshold(image, thresh_value, above_thresh_assigned, thresh_style)
  return thresholded