扩充图片大小256x256扩大为512x512

import os
from PIL import Image
 
def save_resize_img(img_path, img_path_train, width, height):
    for i in os.listdir(img_path):
        image = os.path.join(img_path,i)
        img = Image.open(image)
        img = img.resize((width, height), Image.ANTIALIAS)
        img.save(img_path_train +  i)
           
if __name__ == '__main__':
    save_resize_img("E:/downloadpic/pic0529/01-50-25156/","E:/downloadpic/pic0529/image/", 512, 512)#注意路径后加  /

PIL库 resize图片大小。