How merge multi spectral with panchromatic using Envi 5.1 ?

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James Varghese

I am using ENVI 5.2 and I can see at least three options for Pan sharpening in the provided Toolbox

Gram-Schmidt Pan Sharpening

NNDiffuse Pan Sharpening and

SPEAR Pan Sharpening

Are these tools available in ENVI ver. 5.1?

You can also try ArcGIS if you can't find the tool in ENVI.

Ahmed Ameen Abdullah

thanks doctor James, yes there are Gram-Schmidt Pan Sharpening NNDiffuse Pan Sharpening and SPEAR Pan Sharpening

what is the best one using in vegetation monitoring (stress )?

thanks

Ahmed, I have not compared the Pan sharpening methods available in ENVI. I suggest you to look into ENVI help. I have attached the link. If you go to individual method links you will also find references and articles. You can decide which one is best for your own purpose.

By the way I am not a Dr. I am also a student like you.

Good luck with Pan sharpening.

http://www.exelisvis.com/docs/ImageSharpening.html

Mehrnoosh Rahimian

Ahmed, I 've some problem with the method for PAN sharpening too. Indeed I want to use it for vegetation monitoring as same as your research. may I ask you about the best one if you found it out.