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ToTensor中就有转到0-1之间了。
# -*- coding:utf-8 -*- import time import torch from torchvision import transforms import cv2 transform_val_list = [ # transforms.Resize(size=(160, 160), interpolation=3), # Image.BICUBIC transforms.ToTensor(), transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]) ] trans_compose = transforms.Compose(transform_val_list) if __name__ == '__main__': std= [0.229, 0.224, 0.225] mean=[0.485, 0.456, 0.406] path="d:/2.jpg" data=cv2.imread(path) t1 = time.time() x = trans_compose(data) x[0]=x[0]*std[0]+mean[0] x[1]=x[1]*std[1]+mean[1] x[2]=x[2].mul(std[2])+mean[2] img = x.mul(255).byte() img = img.numpy().transpose((1, 2, 0)) # torch.set_num_threads(3) # img=cv2.cvtColor(img,cv2.COLOR_BGR2RGB) cv2.imshow("sdf", img) cv2.waitKeyEx()