gp295 wrote: > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, Howard Shaw > <glassman@...> wrote: >> >> > Re : Message # 82082 > > Howard. > > I don't know if this will help, but I've just asked the list-owner to > upload two more circular gradients to the Files > Image Processing > folder on this site : (\ufffd)_precise_light and (\ufffd)_precise_ dark. All > being well, they should appear there within the next couple of days. > > I produced these images a few days ago after an off-list discussion > with Jeff Randall in which it became clear to me that my original > test file wouldn't be accurate enough for people who are able to work > more precisely than I am (using QTR and a 51 gray patches, for > example). The idea was that these bigger images would make it > possible for people playing hunt-the-reversal (or similar DB&W > pastimes) to accurately locate where a problem occurs, and enable > them to tweak the exact value that needs adjustment. The images > themselves include an explanation of how they operate. > > Jeff was kind enough to offer to try out the images for me, but > because of some printing problems he's having, won't be able to do so > for a while. I'm slightly uncomfortable about uploading the images > without them being tested on the kind of system they were intended > for because I can't be certain that they will actually do the > business. But it seemed to me that you might be struggling to do what > you want with the less-accurate (original) test file, so in the end I > decided I might as well upload them. I'll ask the list-owner to > remove them later if they prove not to be helpful. > > Best. > > graham Okay, thanks Graham. Howard
Message
Re: [Digital BW] Re: New linearization test image uploaded
2006-12-13 by Howard Shaw
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