[エラー] The size of tensor a (4) must match the size of tensor b (3) at non-singleton dimension 0 - Qiita

from torchvision import transforms input_image = Image.open('test.png') #ここが問題 preprocess = transforms.Compose([ transforms.Resize(256), transforms.CenterCrop(224), transforms.ToTensor(), transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]), ]) input_tensor = preprocess(input_image)

[hujuu]

“.convert('RGB')”