FaceDetectionUsingOpenCvHaarCascades.py

FaceDetectionUsingOpenCvHaarCascades.py

# Bruno Capuano
# detect faces using haar cascades from https://github.com/opencv/opencv/tree/master/data/haarcascades

import cv2

face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
cap = cv2.VideoCapture(0)

while True:
    _, frame = cap.read()
    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
    faces = face_cascade.detectMultiScale(gray, 1.3, 5)

    for (top, right, bottom, left) in faces:
        cv2.rectangle(frame,(top,right),(top+bottom,right+left),(0,0,255),2)

    cv2.imshow('Face Detection',frame)
    k = cv2.waitKey(30) & 0xff
    if k == 27:
        break

cap.release()
cv2.destroyAllWindows()