mindspore.dataset.vision.py_transforms.AutoContrast

class mindspore.dataset.vision.py_transforms.AutoContrast(cutoff=0.0, ignore=None)[source]

Automatically maximize the contrast of the input PIL image.

Parameters

cutoff (float, optional) – Percent of pixels to cut off from the histogram (default=0.0).
ignore (Union[int, sequence], optional) – Pixel values to ignore (default=None).

Examples

>>> import mindspore.dataset.vision.py_transforms as py_vision
>>> from mindspore.dataset.transforms.py_transforms import Compose
>>>
>>> Compose([py_vision.Decode(),
>>>          py_vision.AutoContrast(),
>>>          py_vision.ToTensor()])