Re: [Gimp-developer] Code for unsharp mask

[Liam R E Quin <liam holoweb net>]

On Mon, 2019-09-09 at 10:08 -0400, Chaitanya Kolluru wrote:
> Where I can find the source code for the unsharp mask algorithm? 

It's usually implemented as the difference between two gaussian blurs,
which is where it gets its silly name.

I think it's probably in Foley & van Dam, but the GIMP code is in the
GEGL library.

https://gitlab.gnome.org/GNOME/gegl/blob/master/operations/common/unsharp-mask.c

Liam


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