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Hi, I've come across many workshop presentation papers and research papers in which the processing of CRISM images include 'Spectral Smile Removal' and the entire sequence of Empirical Processing. 1. When we download the TRR3 data, is it already taken care of? Or do we have to follow a certain algorithm to manually apply it? Can you please suggest me how to do it? It is not mentioned in any workshop papers. 2. If we have to manually perform this task, do we have to do it via IDL/MATLAB programming or is it possible to do so in a GUI software (viz CAT, ENVI)? Thank You! Sourabh Shubham Department Of Geology and Geophysics IIT Kharagpur