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#!/usr/bin/python
from opencv.cv import *
from opencv.highgui import *
import sys
if __name__ == "__main__":
laplace = None
colorlaplace = None
planes = [ None, None, None ]
capture = None
if len(sys.argv)==1:
capture = cvCreateCameraCapture( 0 )
elif len(sys.argv)==2 and sys.argv[1].isdigit():
capture = cvCreateCameraCapture( int(sys.argv[1]) )
elif len(sys.argv)==2:
capture = cvCreateFileCapture( sys.argv[1] )
if not capture:
print "Could not initialize capturing..."
sys.exit(-1)
cvNamedWindow( "Laplacian", 1 )
while True:
frame = cvQueryFrame( capture )
if not frame:
cvWaitKey(0)
break
if not laplace:
for i in range( len(planes) ):
planes[i] = cvCreateImage( cvSize(frame.width,frame.height), 8, 1 )
laplace = cvCreateImage( cvSize(frame.width,frame.height), IPL_DEPTH_16S, 1 )
colorlaplace = cvCreateImage( cvSize(frame.width,frame.height), 8, 3 )
cvSplit( frame, planes[0], planes[1], planes[2], None )
for plane in planes:
cvLaplace( plane, laplace, 3 )
cvConvertScaleAbs( laplace, plane, 1, 0 )
cvMerge( planes[0], planes[1], planes[2], None, colorlaplace )
cvShowImage("Laplacian", colorlaplace )
if cvWaitKey(10) != -1:
break
cvDestroyWindow("Laplacian")
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