Raises:
            ModuleNotFoundError:
                If `matplotlib` is not installed

        .. plot::
            :scale: 75

            >>> # Example plotting a single value
            >>> import torch
            >>> _ = torch.manual_seed(42)
            >>> from torchmetrics.image import SpectralDistortionIndex
            >>> preds = torch.rand([16, 3, 16, 16])
            >>> target = torch.rand([16, 3, 16, 16])
            >>> metric = SpectralDistortionIndex()
            >>> metric.update(preds, target)
            >>> fig_, ax_ = metric.plot()

        .. plot::
            :scale: 75

            >>> # Example plotting multiple values
            >>> import torch
            >>> _ = torch.manual_seed(42)
            >>> from torchmetrics.image import SpectralDistortionIndex
            >>> preds = torch.rand([16, 3, 16, 16])
            >>> target = torch.rand([16, 3, 16, 16])
            >>> metric = SpectralDistortionIndex()
            >>> values = [ ]
            >>> for _ in range(10):
            ...     values.append(metric(preds, target))
            >>> fig_, ax_ = metric.plot(values)

        )