How do I calculate a reliable covariance matrix from a 256x520x218 hyperspectral image? The image has 218 spectral channels so each single band image is 256x520. I'm interested in calculating covariance over each pixel not each band.
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You've tagged your question with both IDL and Python. In what language do you seek a solution? – gerrit Jun 22 '16 at 18:44
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IDL preferably. I could get an answer in python and try to translate to IDL. Much prefer IDL :) – cypher Jun 23 '16 at 19:23