视频转图片-人脸识别-合成视频

代码：

import cv2
import os,sys
import numpy as npface_xml = cv2.CascadeClassifier(r"C:\Users\lenovo\Desktop\python\jiqixuexi\haarcascade_frontalface_default.xml")
eye_xml = cv2.CascadeClassifier(r"C:\Users\lenovo\Desktop\python\jiqixuexi\haarcascade_eye.xml")cap = cv2.VideoCapture(r"C:\Users\lenovo\Desktop\python\jiqixuexi\face_1.flv")
isOpened = cap.isOpened
print(isOpened)fps = cap.get(cv2.CAP_PROP_FPS)
width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))print(fps,width,height)os.chdir(r"C:\Users\lenovo\Desktop\python\jiqixuexi\face\chuliqian")print(os.getcwd)i = 0
while(isOpened):if i == 2424:breakelse:i = i+1(flag,frame) = cap.read()fileName = "image" +str(i) +".jpg"if flag == True:cv2.imwrite(fileName,frame,[cv2.IMWRITE_JPEG_QUALITY,100])print("end!")for m in range(1,2424):os.chdir(r"C:\Users\lenovo\Desktop\python\jiqixuexi\face\chuliqian")fileName = "image" +str(m) +".jpg"print(fileName)img = cv2.imread(fileName)gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)faces = face_xml.detectMultiScale(gray,1.3,5)print("face=",len(faces))for (x,y,w,h) in faces:cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)roi_face = gray[y:y+h,x:x+w]roi_color = img[y:y+h,x:x+w]eyes = eye_xml.detectMultiScale(roi_face)for (e_x,e_y,e_w,e_h) in eyes:cv2.rectangle(roi_color,(e_x,e_y),(e_x+e_w,e_y+e_h),(0,255,0),2)os.chdir(r"C:\Users\lenovo\Desktop\python\jiqixuexi\face\chulihou")cv2.imwrite(fileName,img,[cv2.IMWRITE_JPEG_QUALITY,100])img = cv2.imread(r"C:\Users\lenovo\Desktop\python\jiqixuexi\face\chulihou\image1.jpg")imgInfo = img.shapesize = (imgInfo[1],imgInfo[0])print(size)os.chdir(r"C:\Users\lenovo\Desktop\python\jiqixuexi\face\chulihou")videoWrite = cv2.VideoWriter("2.mp4",-1,24,size)
#  文件名   ，  编码器   ，帧率   ，  图片大小for n in range(1,2424):fileName = "image" + str(n) + ".jpg"print(fileName)img = cv2.imread(fileName)videoWrite.write(img)
print("end!")

处理效果：