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Open Source Computer Vision Library
https://opencv.org/
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48 lines
1.3 KiB
48 lines
1.3 KiB
15 years ago
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#!/usr/bin/python
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import urllib2
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import sys
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import cv
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import numpy
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if __name__ == "__main__":
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cv.NamedWindow("camera", 1)
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capture = cv.CaptureFromCAM(0)
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paste = cv.CreateMat(960, 1280, cv.CV_8UC3)
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topleft = numpy.asarray(cv.GetSubRect(paste, (0, 0, 640, 480)))
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topright = numpy.asarray(cv.GetSubRect(paste, (640, 0, 640, 480)))
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bottomleft = numpy.asarray(cv.GetSubRect(paste, (0, 480, 640, 480)))
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bottomright = numpy.asarray(cv.GetSubRect(paste, (640, 480, 640, 480)))
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while True:
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img = cv.GetMat(cv.QueryFrame(capture))
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n = (numpy.asarray(img)).astype(numpy.uint8)
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red = n[:,:,0]
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grn = n[:,:,1]
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blu = n[:,:,2]
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topleft[:,:,0] = 255 - grn
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topleft[:,:,1] = red
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topleft[:,:,2] = blu
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topright[:,:,0] = blu
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topright[:,:,1] = 255 - red
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topright[:,:,2] = grn
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bottomright[:,:,0] = red
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bottomright[:,:,1] = grn
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bottomright[:,:,2] = 255 - blu
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fgrn = grn.astype(numpy.float32)
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fred = red.astype(numpy.float32)
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bottomleft[:,:,0] = blu
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bottomleft[:,:,1] = (abs(fgrn - fred)).astype(numpy.uint8)
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bottomleft[:,:,2] = red
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cv.ShowImage("camera", paste)
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if cv.WaitKey(6) == 27:
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break
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