helpers.py 文件源码

def save(path, image, jpg_quality=None, png_compression=None):
  '''
  persist :image: object to disk. if path is given, load() first.
  jpg_quality: for jpeg only. 0 - 100 (higher means better). Default is 95.
  png_compression: For png only. 0 - 9 (higher means a smaller size and longer compression time).
                  Default is 3.
  '''
  if isinstance(image, str):
    image = load(str)

  if jpg_quality:
    cv.imwrite(path, image, [cv.IMWRITE_JPEG_QUALITY, jpg_quality])
  elif png_compression:
    cv.imwrite(path, image, [cv.IMWRITE_PNG_COMPRESSION, png_compression])
  else:
    cv.imwrite(path, image)