Faces_web_camera_recognition 1.0

import cv2

face_cascade_db = cv2.CascadeClassifier(cv2.data.haarcascades + "haarcascade_frontalface_default.xml")
cap = cv2.VideoCapture(0)

while True:
    success, img = cap.read()
    img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)

    faces = face_cascade_db.detectMultiScale(img_gray, 1.1, 19)
    for (x,y,w,h) in faces:
        cv2.rectangle(img, (x,y), (x+w,y+h), (0,255,0),2)

    cv2.imshow('result', img)
    if cv2.waitKey(1) & 0xff == ord('q'):
        break

cap.release()
cv2.destroyAllWindows()