Archived posting to the Leica Users Group, 2012/06/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The problem is always it depends on who you show. Some people don't see anything, some people see everything, and there is a spectrum inbetween. of all those kinds, some care, some don't. On average, you should make your images look how _you_ want them to. Marty On Wed, Jun 27, 2012 at 12:53 PM, R. Clayton McKee <rcmphoto at yahoo.com> wrote: > Very true from a technical view... but I'm thinking that the average (ie, > human) viewer isn't going to be that concerned.? If you're working on > noise reduction algorithms that's one thing... but looking at it on the > wall or the screen strictly as an image is something else, and I don't > know that it makes that much difference. > > > (That's an off-the-cuff SWAG with no backup except that I've had comments > from total layfolk who don't seem to be aware that there is any > difference. If you've got studies or evidence one way or another PLEASE > show it.? I'd like to know.) > > > R. Clayton McKee > PhotoJournalist > from somewhere just south of somewhere else... > > >>________________________________ >> From: Marty Deveney <benedenia at gmail.com> >>To: Leica Users Group <lug at leica-users.org> >>Sent: Tuesday, June 26, 2012 10:07 PM >>Subject: Re: [Leica] TMZ? >> >>> Is 'noise' so much different than 'grain'? >> >>Yes, totally.? Grain is random but distributed predictably across >>different tones, and varies at tonal boundaries due to a range of >>physico-chemical effects. >> >>Noise varies by colour of the scene (especially in low light), is more >>predictably distributed (this is why noise reduction works very well >>on digital images but not so well on scanned film), and does not vary >>at tonal boundaries unless those boundaries also have sharp colour >>difference. >> >>Marty >> >>_______________________________________________ >>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