gg@xxxxxxxxxxx wrote: > On Thu, 29 Mar 2007 22:31:50 +0200, Jim Sabatke <jsabatke@xxxxxxxxx> wrote: > >> I've just compiled a plugin based on a denoising program that attracted >> slashdot's attention a short while ago. >> >> http://rss.slashdot.org/~r/Slashdot/slashdot/~3/99611463/article.pl >> >> It gets very good reviews compared to Noise Ninja and other commercial >> products. >> >> I was wondering if it is good enough that you might be willing to >> include it in the standard distro? The only holdback I can see is that >> it is written in C++. >> >> I've got it running on SuSE 10.0 and there is a windows version >> available online. >> >> The author has no objections to including it. >> >> Jim >> _________________________________ > > very interesting filter. > > I just did a quick comparison rescaling some of thier sample images with > lanczos interpolation in gimp. > > Generally, lanczos was inbetween cubic and the denoising filter. The > latter usually produces images that are easier on the eye than both > cubic and lanczos but on closer inspection this is not without a price. > > Denoising grossly simplifies the image in cleaning it up. The girl in > hat image, res_lana.png becomes badly distorted and the result is worse > than both lanczos and cubic. (This is going by thier images on the demo > page). > > Ringing, while present, is less than gimp lanczos. > > However, quite a bit of detail is lost and the biggest defect seems to > be constast takes a bit hit. > > The overall effect is pleasing and probably would be good for a lot of > applications. > > Like any image processing it's a case of horses for courses and what > defects in the result are acceptable in a specific application with a > specific image. > > Thanks for bringing this up. A useful filter to have. > > gg. > Thanks for the analysis. This code is still undergoing active development, with students scheduled to keep it up. I'm passing your comments to the development team. Jim _______________________________________________ Gimp-developer mailing list Gimp-developer@xxxxxxxxxxxxxxxxxxxxxx https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer
