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Thread: How do you compare pixels?

  1. Jun 29th, 2005, 05:16 AM #1
    nightkids31
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    Exclamation How do you compare pixels?

    Hey guys...i am in urgent need of help..any help would be appreciated...
    i am currently on a motion detection using a webcam project..now i am stuck at the point where i need to compare pixels from the webcam to detect motion... does anyone know how this can be done in vb.net?.
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  2. Jun 29th, 2005, 05:20 AM #2
    wossname
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    Re: How do you compare pixels?

    I usually bitblt the image to a memory bitmap. Then you can use the Bitmap Class's GetPixel() function.
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  3. Jun 29th, 2005, 08:48 PM #3
    nightkids31
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    Re: How do you compare pixels?

    could you explain bitblt a bit more?..or if you have any coding examples for this bitblt?... thanks
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