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For technical purpose I need to work with matrices gray level (images) containing floating point value that can exceed 1. (Example: 2.3324)
Which format should I use to store them in a file? I would like to avoid to bring them back to the range 0...1 when Matlab write them to disk.
I know I could just dump the matrix with save('myfile','myImage','-ascii') but I would like to use a graphical format
The FITS file format would be an option (http://en.wikipedia.org/wiki/FITS).
It has support in many languages, including MATLAB.