How to find the wavelength from a given photo?

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I got a picture like on the link below. and I wish to have the different wavelength i have the reference spectra. https://en.wikipedia.org/wiki/Color#/media/File:16777216colors.png. thanks for your help.

Answers (1)

Amit Doshi
Amit Doshi on 5 Jan 2018
Hello Jean,
You can use 'imgaborfilt' function and apply Gabor filter.
Refer the below link:
  2 Comments
Jean Paul Noukimi
Jean Paul Noukimi on 8 Jan 2018
THanks for your reply. Mr Amit , I check it ut i dont think it will really help me to archieved my goal. I thought of Convertin RGB to spractra line. that is i have an image and from that image I get spectra line. do u any idea?
Jean Paul Noukimi
Jean Paul Noukimi on 15 Jan 2018
does the gombo filter returns the frequency? how do i differentate between the frequency

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