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How to choose a spectra (given observed single [x,y] value) that matches with one of spectra from several spectra (given as several [x,y] points) ?

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RS on 17 Mar 2014

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Closed: MATLAB Answer Bot on 20 Aug 2021

How to choose a spectra (given observed single [x,y] value) that matches with one of spectra from several spectra (given as several [x,y] points) ?

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Image Analyst on 17 Mar 2014

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You could use the sum of absolute differences or the RMS difference or PSNR.

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RS on 17 Mar 2014

I am having observed [x,y] in the form of plot not image, please for that what to do?

Image Analyst on 17 Mar 2014

Just use the y values.

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