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adjust_brightness

torchvision.transforms.functional.adjust_brightness(img: Tensor, brightness_factor: float) Tensor[source]

Adjust brightness of an image.

Parameters:
  • img (PIL Image or Tensor) – Image to be adjusted. If img is torch Tensor, it is expected to be in […, 1 or 3, H, W] format, where … means it can have an arbitrary number of leading dimensions.

  • brightness_factor (float) – How much to adjust the brightness. Can be any non negative number. 0 gives a black image, 1 gives the original image while 2 increases the brightness by a factor of 2.

Returns:

Brightness adjusted image.

Return type:

PIL Image or Tensor

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