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a function with the simplest form to calculate the mutual information

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a function with the simplest form to calculate the mutual information

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Here is a function with the simplest form to calculate the mutual information between two images.

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MI is a good approach to align two images from different sensor. Here is a function with the simplest form to calculate the mutual information between two images.
the function f=cal_mi(I1,I2) is in the test_mi.m file.
your comment or suggestion will be much appreciated.

MATLAB release MATLAB 7 (R14)
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Comments and Ratings (1)
08 Aug 2014 Soum

Hi;
Thank you HU xb very much for your code ,I have a problem my images are grayscale 32 bits '.tif' I got this error when I used your code:

Undefined function 'cal_mi' for input arguments of type 'single'.

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