Corr2 function returns NaN

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Joey Ohmar Aranda
Joey Ohmar Aranda 2016-11-3
I've been trying to correlate two raster using corr2 but unfortunately,one of the two images contain NaN values which makes the result of correlation NaN. Is there a way to ignore these NaN values to get the correlation between images? I believe eliminating these values will not solve the problem because the size of the array will change. Two rasters must have the same dimensions for corr2 to work.

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