Archived posting to the Leica Users Group, 2006/04/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks for the tip Jayanand, as with most other PS options, it hides behind a description that has nothing what ever to do with the intended action. Douglas Jayanand Govindaraj wrote: > Eric, > You can achieve the same with High Pass sharpening in Photoshop, > Filter-Other-High Pass > Cheers > Jayanand > > Douglas Sharp wrote: > >> Hello Eric >> For one thing it only sharpens the higher frequency portion of the >> spectrum - this means you have a better chance of avoiding low and >> mid-frequency aliasing or artefacts. >> The second advantage is a preview function which shows the effect of >> sharpening as a function of sharpening strength - you have to see it >> to get the idea. this is a grey scale display which shows the edges >> of the image being sharpened - this is an excellent QC tool for >> avoiding the luminous edges often caused by oversharpening. It's not >> quite as much of a black-box as unsharp mask >> The third is the extreme sensitivity - the sharpening really snaps, >> and is controlled by only 2 sliders. >> In addition it's very effective, fast and it's free. >> Douglas >> I'll have to get around to making a little gallery showing and >> comparing freeware/shareware/cheapware/ and >> can't-be-done-without-ware one of these days :-) >> There's some clever stuff around, and it's not all expensive. >> >> Eric wrote: >> >>> Douglas: >>> >>> >>> >>>> By the way, some of the other stuff on the site is very interesting >>>> too, particularly the high frequency sharpening plug-in. >>>> >>> >>> >>> >>> How is it different from the regular unsharp filter in Photoshop? >>> >>> >>> >>> -- >>> Eric >>> http://canid.com/ >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >>> >>> >>> >>> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> >> > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > >