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cam.py
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cam.py
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import argparse
import cv2
from facedetector import FaceDetector
from imutils import resize
argparser = argparse.ArgumentParser()
argparser.add_argument('-f', '--face', required=True, help='Path to where the face cascade resides.')
argparser.add_argument('-v', '--video', required=False, help='Path to the (optional) video file.')
arguments = vars(argparser.parse_args())
face_detector = FaceDetector(arguments['face'])
if not arguments.get('video', False):
camera = cv2.VideoCapture(0)
else:
camera = cv2.VideoCapture(arguments['video'])
while True:
(grabbed, frame) = camera.read()
if arguments.get('video') and not grabbed:
break
frame = resize(frame, width=300)
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
face_rectangles = face_detector.detect(gray, scale_factor=1.1, min_neighbors=5, min_size=(30, 30))
frame_clone = frame.copy()
green = (0, 255, 0)
for (f_x, f_y, f_w, f_h) in face_rectangles:
cv2.rectangle(frame_clone, (f_x, f_y), (f_x + f_w, f_y + f_h), green, 2)
cv2.imshow('Face', frame_clone)
if cv2.waitKey(1) & 0xFF == ord('q'): # Did the user press the q key?
break
camera.release()
cv2.destroyAllWindows()