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Re: Principle Componets Analysis [message #90396 is a reply to message #55522]

Fri, 27 February 2015 13:54

youssouph.cissokho
Messages: 1
Registered: February 2015

Junior Member

On Thursday, August 23, 2007 at 6:27:15 PM UTC, Coyote wrote:
> Folks,
>
> Is it just me, or is this turning into an ENVI forum...
>
> I have three bands of a Landsat image. They come in
> three separate files (GEOTIFF). I have opened all three
> in ENVI. I wish to perform a principle components analysis
> of these three images, and capture the first principle
> component for further analysis.
>
> ENVI seems to want to have these three images in the
> same file or something. In any case, I can't work out
> how to get these three images into the PC apparatus.
> Perhaps if I could make a new ENVI image of these three
> bands? What if I wanted to do the analysis with four image
> bands?
>
> Any help appreciated.
>
> Thanks,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming: http://www.dfanning.com/

Hi guys, thank for your job, I'm interest about the PCA method apply to the images may you please explain to me in more details this part? thanks

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		Principle Componets Analysis By: David Fanning on Thu, 23 August 2007 11:27
		Re: Principle Componets Analysis By: youssouph.cissokho on Fri, 27 February 2015 13:54

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