digital_display_ocr.py 文件源码

def process_image(orig_image_arr):
  ratio = orig_image_arr.shape[0] / 300.0

  display_image_arr = normalize_contrs(orig_image_arr,crop_display(orig_image_arr))
  #display image is now segmented.
  gry_disp_arr = cv2.cvtColor(display_image_arr, cv2.COLOR_BGR2GRAY)
  gry_disp_arr = exposure.rescale_intensity(gry_disp_arr, out_range= (0,255))

  #thresholding
  ret, thresh = cv2.threshold(gry_disp_arr,127,255,cv2.THRESH_BINARY)
  return thresh