mirror of
https://github.com/opencv/opencv.git
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46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
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#!/usr/bin/python
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import urllib2
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import cv
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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 = cv.CreateCameraCapture(0)
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elif len(sys.argv) == 2 and sys.argv[1].isdigit():
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capture = cv.CreateCameraCapture(int(sys.argv[1]))
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elif len(sys.argv) == 2:
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capture = cv.CreateFileCapture(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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cv.NamedWindow("Laplacian", 1)
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while True:
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frame = cv.QueryFrame(capture)
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if frame:
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if not laplace:
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planes = [cv.CreateImage((frame.width, frame.height), 8, 1) for i in range(3)]
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laplace = cv.CreateImage((frame.width, frame.height), cv.IPL_DEPTH_16S, 1)
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colorlaplace = cv.CreateImage((frame.width, frame.height), 8, 3)
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cv.Split(frame, planes[0], planes[1], planes[2], None)
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for plane in planes:
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cv.Laplace(plane, laplace, 3)
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cv.ConvertScaleAbs(laplace, plane, 1, 0)
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cv.Merge(planes[0], planes[1], planes[2], None, colorlaplace)
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cv.ShowImage("Laplacian", colorlaplace)
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if cv.WaitKey(10) != -1:
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break
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cv.DestroyWindow("Laplacian")
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