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How to obtain color value in near infrared image

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Jack Sparrow
Jack Sparrow 2013-1-1
if I take the picture of three objects( say light yellow, mid yellow, deep yellow) with near infrared camera, is it possible to identify and obtain the real value and intensity of these colors in near infrared?

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Image Analyst
Image Analyst 2013-1-1
Depends on what you mean by the "real value and intensity", but yes, you can get the digital values of the image.
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Jack Sparrow
Jack Sparrow 2013-1-2
I'm working on a project, i need to identify the ethnicities from the images but they are all taken in near infrared. so i'm confused on how to go about this.

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