python将原图裁剪为固定尺寸小图_Python

python实现原图裁剪为固定尺寸小图的具体代码，供大家参考，具体内容如下

讲解

1、代码效果：实现原图裁剪为固定尺寸小图

代码

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									import numpy as np

									import pandas as pd

									import os

									import torch as t

									import torchvision.transforms.functional as ff

									from torch.utils.data import dataset

									from pil import image

									import torchvision.transforms as transforms

									import cfg

									def center_crop(data, crop_size):

									  data = ff.center_crop(data, crop_size)

									  return data

									def img_crop(img):

									  higth, width = img.size

									  w = 100

									  id = 1

									  i = 0

									  while (i + w <= higth):

									    j = 0

									    while (j + w <= width):

									      new_img = img.crop((i, j, i + w, j + w))

									      rename = r""#小图存放路径

									      new_img.save(rename + str(id) + ".png", quality=95)#小图保存

									      id += 1

									      j += 100

									      print(new_img)

									    i += 100

									if __name__ == "__main__":

									  path = r''#待处理图像

									  crop_size = [500, 500]#中心裁剪为500x500图像便于后面裁剪小图

									  img = image.open(path)

									  print(img)

									  img = center_crop(img, crop_size)

									  print(img)

									  img_crop(img)