mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
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50 lines
1.4 KiB
50 lines
1.4 KiB
15 years ago
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#!/usr/bin/python
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from opencv.cv import *
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from opencv.highgui import *
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import sys
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if __name__ == "__main__":
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laplace = None
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colorlaplace = None
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planes = [ None, None, None ]
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capture = None
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if len(sys.argv)==1:
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capture = cvCreateCameraCapture( 0 )
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elif len(sys.argv)==2 and sys.argv[1].isdigit():
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capture = cvCreateCameraCapture( int(sys.argv[1]) )
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elif len(sys.argv)==2:
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capture = cvCreateFileCapture( sys.argv[1] )
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if not capture:
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print "Could not initialize capturing..."
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sys.exit(-1)
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cvNamedWindow( "Laplacian", 1 )
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while True:
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frame = cvQueryFrame( capture )
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if not frame:
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cvWaitKey(0)
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break
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if not laplace:
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for i in range( len(planes) ):
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planes[i] = cvCreateImage( cvSize(frame.width,frame.height), 8, 1 )
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laplace = cvCreateImage( cvSize(frame.width,frame.height), IPL_DEPTH_16S, 1 )
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colorlaplace = cvCreateImage( cvSize(frame.width,frame.height), 8, 3 )
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cvSplit( frame, planes[0], planes[1], planes[2], None )
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for plane in planes:
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cvLaplace( plane, laplace, 3 )
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cvConvertScaleAbs( laplace, plane, 1, 0 )
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cvMerge( planes[0], planes[1], planes[2], None, colorlaplace )
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cvShowImage("Laplacian", colorlaplace )
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if cvWaitKey(10) != -1:
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break
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cvDestroyWindow("Laplacian")
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