from PIL import Image import torchvision.transforms as transforms transform = transforms.Compose([ transforms.Resize((224,224)), transforms.ToTensor(), transforms.Normalize([0.485,0.456,0.406], [0.229,0.224,0.225]) ]) def preprocess(image_bytes): image = Image.open(image_bytes).convert("RGB") return transform(image).unsqueeze(0)