Method normalize

src/diffusers/image_processor.py:207–219

r""" Normalize an image array to [-1,1]. Args: images (`np.ndarray` or `torch.Tensor`): The image array to normalize. Returns: `np.ndarray` or `torch.Tensor`: The normalized image array.

(images: np.ndarray | torch.Tensor)

    @staticmethod
    def normalize(images: np.ndarray | torch.Tensor) -> np.ndarray | torch.Tensor:
        r"""
        Normalize an image array to [-1,1].

        Args:
            images (`np.ndarray` or `torch.Tensor`):
                The image array to normalize.

        Returns:
            `np.ndarray` or `torch.Tensor`:
                The normalized image array.
        """
        return 2.0 * images - 1.0

    @staticmethod
    def denormalize(images: np.ndarray | torch.Tensor) -> np.ndarray | torch.Tensor: