Accessing Hyperspectral Images Using MATLAB

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Sarath
Sarath 2011-2-10
评论： S@M 2018-2-19
I am doing a project on image fusion of Hyperspectral Images
It involves calculating the local variance for each band .
I downloaded Hyperspectral Images from this website --> http://personalpages.manchester.ac.uk/staff/david.foster/Hyperspectral_images_of_natural_scenes_02.html
But the images are in .mat format, and I am not able to access the data through Wavelet Toolbox .
What should I do so as to separate the image into various bands ?
How do i find the local variance for each image ?

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Brett Shoelson
Brett Shoelson 2011-2-10
If the images are stored in .mat files, you should be able to LOAD them with core MATLAB--no special Wavelet-reading functions needed.
Then it's a matter of indexing. Assuming your spectral cube A is m x n x p (with p spectral bands), you would pick out the first band with A(:,:,1), and the pth band with A(:,:,p). (Et cetera.)
Brett
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