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# SUN397

class torchvision.datasets.SUN397(root: str, transform: Optional[Callable] = None, target_transform: Optional[Callable] = None, download: bool = False)

  The SUN397 Data Set.

  The SUN397 or Scene UNderstanding (SUN) is a dataset for scene recognition consisting of 397 categories with 108’754 images.

  Parameters:

    - root (string) – Root directory of the dataset.

    - transform (callable, optional) – A function/transform that takes in an PIL image and returns a transformed version. E.g, `transforms.RandomCrop`.

    - target_transform (callable, optional) – A function/transform that takes in the target and transforms it.

    - download (bool, optional) – If true, downloads the dataset from the internet and puts it in root directory. If dataset is already downloaded, it is not downloaded again.

  Special-members:

  __getitem__(idx: int) → Tuple[Any, Any]
    Parameters:

      index (int) – Index

    Returns:

      Sample and meta data, optionally transformed by the respective transforms.

    Return type:

      (Any)

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