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Face Detect
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import cv2 | |
# Enable camera | |
cap = cv2.VideoCapture(0) | |
cap.set(3, 640) | |
cap.set(4, 420) | |
# import cascade file for facial recognition | |
faceCascade = cv2.CascadeClassifier(cv2.data.haarcascades + "haarcascade_frontalface_default.xml") | |
''' | |
# if you want to detect any object for example eyes, use one more layer of classifier as below: | |
eyeCascade = cv2.CascadeClassifier(cv2.data.haarcascades + "haarcascade_eye_tree_eyeglasses.xml") | |
''' | |
while True: | |
success, img = cap.read() | |
imgGray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) | |
# Getting corners around the face | |
faces = faceCascade.detectMultiScale(imgGray, 1.3, 5) # 1.3 = scale factor, 5 = minimum neighbor | |
# drawing bounding box around face | |
for (x, y, w, h) in faces: | |
img = cv2.rectangle(img, (x, y), (x + w, y + h), (0, 255, 0), 3) | |
''' | |
# detecting eyes | |
eyes = eyeCascade.detectMultiScale(imgGray) | |
# drawing bounding box for eyes | |
for (ex, ey, ew, eh) in eyes: | |
img = cv2.rectangle(img, (ex, ey), (ex+ew, ey+eh), (255, 0, 0), 3) | |
''' | |
cv2.imshow('face_detect', img) | |
if cv2.waitKey(10) & 0xFF == ord('q'): | |
break | |
cap.release() | |
cv2.destroyWindow('face_detect') |
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