https://github.com/cvzoya/saliency/blob/5951cdc7c2ba73e5951d4c36bea58e8c7d41e55d/code_forMetrics/InfoGain.m#L27 Check for missing argument or incorrect argument data type in call to function 'log2'. Error in InfoGain (line 29) score = mean(log2(eps+map1(locs))-log2(eps+mapb(locs)));