[GRASS-dev] Implementation of the High Pass Filter Additive Fusion technique (i.fusion.hpf)

Nikos Alexandris nik at nikosalexandris.net
Mon Nov 18 02:22:42 PST 2013


Nick Ves wrote:

> The HPF algorithm about the histrogram matching states "Stretch the
> new multispectral image to match the mean and standard deviation of
> the original (input) multispectral image"
> 
> In that context why it is wrong to do  :
> 
> Ouput <- output/sddev(output)*sddev(input)
> 
> Output <- Output - mean(output) + mean(input)
> 
> N

We should simply try it out!  I just didn't find the time to do that.

NA


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