def close(self):
cv.ReleaseCapture(self._capture)
haar_scale, min_neighbors, haar_flags,
(15, 15))
# if eyes:
# # For each eye found
# for eye in eyes:
# # Draw a rectangle around the eye
# cv.Rectangle(image,
# (eye[0][0],
# eye[0][1]),
# (eye[0][0] + eye[0][2],
# eye[0][1] + eye[0][3]),
# cv.RGB(255, 0, 0), 1, 8, 0)
cv.ResetImageROI(image)
return image
faceCascade = cv.Load("haarcascades/haarcascade_frontalface_default.xml")
eyeCascade = cv.Load("haarcascades/haarcascade_eye.xml")
while (cv.WaitKey(10) == -1):
img = cv.QueryFrame(capture)
image = DetectRedEyes(img, faceCascade, eyeCascade)
#cv.ShowImage("Face and Eye Detection", image)
# k = cv.WaitKey(10);
# if k == 'f':
# break
cv.ReleaseCapture(capture)
def Close(self):
cv.DestroyAllWindows()
cv.ReleaseImage(videoImage)
cv.ReleaseCapture(videoCapture)
return
def main():
cv.NamedWindow('frame', cv.CV_WINDOW_AUTOSIZE)
cv.MoveWindow('frame', 10, 10)
cv.NamedWindow('edges', cv.CV_WINDOW_AUTOSIZE)
cv.MoveWindow('edges', 600, 10)
parser = OptionParser()
parser.add_option('-s',
'--seek',
action='store',
type='int',
dest='seek',
default=0)
parser.add_option('-i',
'--image',
action='store_true',
dest='image',
default=False)
parser.add_option('-v',
'--verbose',
action='store_true',
dest='verbose',
default=False)
options, args = parser.parse_args()
global verbose
verbose = options.verbose
if options.image:
# Use image
frame = cv.LoadImage(args[0])
if frame is None:
print 'Error loading image %s' % args[0]
return
find_lines(frame)
# Pause for key press
while True:
k = cv.WaitKey(33)
if k == ord('q'):
break
else:
if len(args) > 0:
# Use video
cam = cv.CaptureFromFile(args[0])
if cam is None:
print 'Error opening file'
return
else:
# Use webcam
cam = cv.CreateCameraCapture(1)
if cam is None:
print 'Error opening camera'
return
# Seek to initial position by discarding frames
for i in range(options.seek):
cv.GrabFrame(cam)
while True:
frame = cv.QueryFrame(cam)
if frame is None:
print 'End of video'
break
find_lines(frame)
k = cv.WaitKey(10)
if k == ord('q'):
break
cv.ReleaseCapture(cam)
def __del__(self):
"""Destroy instance"""
try:
cv.ReleaseCapture(self.capture)
except:
pass
