Python İle OpenCV

opencv
python

#1

import cv2
import numpy as np

face_cascade = cv2.CascadeClassifier(‘haarcascade_frontalface_default.xml’)
eye_cascade = cv2.CascadeClassifier(‘haarcascade_eye.xml’)

cap = cv2.VideoCapture(0)

while True:
ret, img = cap.read()
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = face_cascade.detectMultiScale(gray)
for(x,y,w,h) in faces:
cv2.rectangle(img, (x,y), (x+w, y+h), (255,0,0), 2)
roi_gray = gray[y:y+h, x:x+w]
roi_color = img[y:y+h, x:x+w]
eyes = eye_cascade.detectMultiScale(roi_gray)
for(ex,ey,ew,eh) in eyes:
cv2.rectangle(roi_color, (ex, ey), (ex+ew,ey+eh), (0,255,0), 2)

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

cap.release()
cv2.destroyAllWindows()