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main.py
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main.py
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import cv2
# Load the cascade
face_cascade = cv2.CascadeClassifier('/home/python/haar_cascade/haarcascade_frontalface_default.xml')
# To capture video from webcam.
camera = 0
cap = cv2.VideoCapture(cv2.CAP_DSHOW, camera)
# To use a video file as input
# cap = cv2.VideoCapture('filename.mp4')
while True:
# Read the frame
_, img = cap.read()
# Convert to grayscale
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
# Detect the faces
faces = face_cascade.detectMultiScale(gray, 1.1, 4)
# Draw the rectangle around each face
for (x, y, w, h) in faces:
cv2.rectangle(img, (x, y), (x+w, y+h), (255, 0, 0), 2)
# Display
cv2.imshow('img', img)
# Stop if escape key is pressed
k = cv2.waitKey(30) & 0xff
if k==27:
break
# Release the VideoCapture object
cap.release()