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Open Source Computer Vision Library
https://opencv.org/
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47 lines
1.3 KiB
47 lines
1.3 KiB
#!/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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