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# -*- coding: utf-8 -*-   import os import cv2import csvimport numpy as npdef GetImgNameByEveryDir(file_dir,videoProperty):      FileNameWithPath = []     FileName         = []    FileDir          = []    # videoProperty=['.png','jpg','bmp']    for root, dirs, files in os.walk(file_dir):          for file in files:              if os.path.splitext(file)[1] in videoProperty:                  FileNameWithPath.append(os.path.join(root, file))  # 保存图片路径                FileName.append(file)                              # 保存图片名称                FileDir.append(root[len(file_dir):])               # 保存图片所在文件夹    return FileName,FileNameWithPath,FileDir# 以视频文件名创建文件夹，然后保存图像到对应文件夹def AVI_To_Img_And_save(video_file,save_dir):	if os.path.exists(save_dir)==False:		os.makedirs(save_dir)	cap = cv2.VideoCapture(video_file)	rval = cap.isOpened()	framenum=0	while rval:		rval, frame  = cap.read()		if rval==False:			continue		if framenum%25!=0:			framenum+=1			continue		Img_savename = save_dir + '/' + 'image_' + '%07d'%framenum +'.jpg'		if rval:			if os.path.exists(Img_savename)==False:				cv2.imwrite(Img_savename, frame,[int(cv2.IMWRITE_JPEG_QUALITY), 100]) 		else:			break		framenum+=1	cap.release()videoDir = './videoProperty = ['.mp4]FileName,FileNameWithPath,FileDir = GetImgNameByEveryDir(videoDir,videoProperty)for k in range(len(FileName)):	AVI_To_Img_And_save(FileNameWithPath[k],FileName[k][:-4])

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