Comment Re:Author expands scaling defination (Score 1) 368
Unless I seriously misread TFA, this error has nothing to do with the spectral content of the data. Spectral content certainly influences the way things scale, but it seems to have no connection to this particular bug.
Look at the test picture in the "Explanation" part of the article. http://www.4p8.com/eric.brasseur/gamma.html#explanation Filtered or not, the test picture should not result in the second column being dark grey.