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39 changes: 37 additions & 2 deletions face_detect.py
Original file line number Diff line number Diff line change
@@ -1,4 +1,39 @@
""" Experiment with face detection and image filtering using OpenCV """
"""
AVA LAKMAZAHERI
IMAGE PROCESSING TOOLBOX
Experiment with face detection and image filtering using OpenCV
"""

import cv2
import numpy as np
import numpy as np

cap = cv2.VideoCapture(0)

face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_alt.xml')
kernel = np.ones((100, 100), 'uint8')

while True:
# Capture frame-by-frame
ret, frame = cap.read()
faces = face_cascade.detectMultiScale(frame, scaleFactor=1.2, minSize=(20, 20))
for (x, y, w, h) in faces:
frame[y:y+h, x:x+w, :] = cv2.dilate(frame[y:y+h, x:x+w, :], kernel)
cv2.ellipse(frame, (int(x+w/2), int(y+3*h/5)), (int(w/4),int(h/4)), 110, -90, 50, (0, 0, 0), 5)
cv2.circle(frame, (int(x+w/4), int(y+h/3)), 20, (255,255,255), -1)
cv2.circle(frame, (int(x+3*w/4), int(y+h/3)), 20, (255,255,255), -1)
cv2.circle(frame, (int(x+w/4), int(y+h/3)), 5, (0,0,0), -1)
cv2.circle(frame, (int(x+3*w/4), int(y+h/3)), 5, (0,0,0), -1)
cv2.line(frame, (int(x+w/2), int(y+2*h/3)), (int(x+w/2+10), int(y+2*h/3)), (0,0,0), 2)
cv2.line(frame, (int(x+w/2), int(y+2*h/3)), (int(x+w/2+10), int(y+h/2)), (0,0,0), 2)

cv2.ellipse(frame, (int(x + w/4), int(y + h/4+5)), (int(w/4),int(h/4)), 120, 90, 180, (0, 0, 0), 2)
cv2.ellipse(frame, (int(x + 3*w/4), int(y + h/4+5)), (int(w/4),int(h/4)), 120, 110, 200, (0, 0, 0), 2)

# Display the resulting frame
cv2.imshow('frame', frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
break

# When everything done, release the capture
cap.release()
cv2.destroyAllWindows()
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