mindspore.dataset.vision.RandomGrayscale

class mindspore.dataset.vision.RandomGrayscale(prob=0.1)[source]

Randomly convert the input PIL Image to grayscale.

Parameters

prob (float, optional) – Probability of performing grayscale conversion, which must be in range of [0.0, 1.0]. Default: 0.1.

Raises

TypeError – If prob is not of type float.
ValueError – If prob is not in range of [0.0, 1.0].

Supported Platforms:: CPU

Examples

>>> import mindspore.dataset as ds
>>> import mindspore.dataset.vision as vision
>>> from mindspore.dataset.transforms import Compose
>>>
>>> transforms_list = Compose([vision.Decode(to_pil=True),
...                            vision.RandomGrayscale(0.3),
...                            vision.ToTensor()])
>>> # apply the transform to dataset through map function
>>> image_folder_dataset = ds.ImageFolderDataset("/path/to/image_folder_dataset_directory")
>>> image_folder_dataset = image_folder_dataset.map(operations=transforms_list,
...                                                 input_columns="image")

Tutorial Examples:

Illustration of vision transforms