【功能程序 Python】批量更改图片大小

import numpy as np
import cv2
import os

# 图片所在位置
dir_path = '/Users/frank/Downloads/project/'
for filename in os.listdir(dir_path):
    # 下面可以更改图片的格式
    if filename.endswith(".jpeg"):
        filename_  = dir_path+'/'+filename
        image = cv2.imread(filename_)
        # 通过fx与fy改变原来的像素倍数 
        resized = cv2.resize(image, None, fx=0.25, fy=0.25, interpolation=cv2.INTER_AREA)
        cv2.imwrite(filename_, resized)