Machine Vision

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color difference in quality control

Hello all,
I'm trying to build an application for Color quality check for our lab.
the app will aquire and check color differences in several ROI in a picture.
i found an example related to the problem, it is called : "Color Distance Example.vi"
the example uses pixel measurement and not ROI mean measurement.
 
my questions:
 
1. how do i get a ROI mean value instead of a pixel value in the measurement?
2. is the method used in the example suitble for commercial standarts?
 
i'm using labview 8.2 with ni data aquisition card connected to a high-end video camera.
 
Thank you
Eran Zisman. 


Message Edited by EyeZik on 04-22-2008 03:38 AM

Message Edited by EyeZik on 04-22-2008 03:42 AM
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Please try this and lemme know
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