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autocontrast

torchvision.transforms.functional.autocontrast(img: torch.Tensor)torch.Tensor[source]

Maximize contrast of an image by remapping its pixels per channel so that the lowest becomes black and the lightest becomes white.

Parameters

img (PIL Image or Tensor) – Image on which autocontrast is applied. 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. If img is PIL Image, it is expected to be in mode “L” or “RGB”.

Returns

An image that was autocontrasted.

Return type

PIL Image or Tensor

Examples using autocontrast:

Illustration of transforms

Illustration of transforms

Illustration of transforms

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