s them first: Resize changes the image size to the one defined in config.image_size. RandomHorizontalFlip augments the dataset by randomly mirroring the images. Normalize is important to rescale the pixel values into a [-1, 1] range, which is what the model expects.   Copied >>> from torchvision import transforms

>>> preprocess = transforms.Compose(
...     [
...         transforms.Resize((config.image_size, config.image_size)),
...         tr