15.face_detect.py

import  cv2 as cv

img = cv.imread('Photos/ubisoftfaces.jpg')
cv.imshow('Image', img)




# Convert to Gray
gray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
cv.imshow('Gray', gray)




# Detect face - Haar Cascades
haar_cascade = cv.CascadeClassifier('classifier/haar_face.xml')
faces_rect = haar_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=3)
print('Number of faces', len(faces_rect))

for (x,y,w,h) in faces_rect:
    cv.rectangle(img, (x,y), (x+w, y+h), (0,255,0), thickness=2)

cv.imshow('Detected Faces', img)









cv.waitKey(0)