[filmscanners] Re: Grain aliasing

2002-06-26 Thread Arthur Entlich
Yes. The new Fuji Provia F series of films use what I would refer to as a "soft edged" grain, which, in effect is "antialiased" to begin with. This provides a softer transition and is similar to defocusing the grain slightly. Velvia, on the other hand, while slow and fine grained and great for

[filmscanners] RE: Grain aliasing

2002-06-29 Thread G. R Harrison
Test only - ignore please. George Harrison Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or body

[filmscanners] RE: Grain aliasing: Thoughts, solutions?

2002-10-10 Thread Paul D. DeRocco
I don't know how Vuescan works, but in NikonScan, once you've done an autofocus, you can bump the focus slider manually. Since there's already an uncertainty of at least a half a count, I'd try bumping it by two, to see if that helps. However, I'm not sure defocusing will reduce aliasing, because

[filmscanners] Re: Grain aliasing: Thoughts, solutions?

2002-10-13 Thread Arthur Entlich
You are correct. Once the errors have been incorporated into the file data, it takes some much bigger crayons to hide them. ;-) Art George Hartzell wrote: > Tony Sleep writes: > > [...] > > With all aliasing the easy cure is to degrade the frequency of image > > information so that it falls

[filmscanners] Re: Grain aliasing: Thoughts, solutions?

2002-10-13 Thread Tony Sleep
On Fri, 11 Oct 2002 19:28:39 -0700 George Hartzell ([EMAIL PROTECTED]) wrote: > I think that it can make a big difference between whether you degrade > the frequency of the image before/while it's scanned (e.g. defocusing > the scanner) or whether you try to blur in photoshop. > > When you do it