Archived posting to the Leica Users Group, 2010/01/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> Hi Spencer, > > Wow, this is a tough one. > > Original - <http://www.aotera.org/tmp/ice.jpg> > With my adjustment - > <http://farm5.static.flickr.com/4037/4267753913_c31ba96125_b.jpg> > > This is what I did: > a) duplicate layer > b) desaturate RED, and Magenta > c) Overlay the top layer and adjust opacity > > The top part looks more B&W. Not sure how it looks on your screen. > > -Pasvorn > > On Mon, Jan 11, 2010 at 8:26 AM, Spencer Cheng <spencer at aotera.org> > wrote: >> Folks, >> >> I've been working on scanning some Kodachrome slides using mostly Vuescan >> as >> that is the one I am most familiar with. I've calibrated my scanner with >> an >> IT8 target I bought from Silverfast in both Vuescan and Silverfast. I've >> calibrated my MacBook Pro's screen with a Datacolor doohickey. >> >> One group of slide has been very hard to scan. I can't seem to get rid of >> an >> magenta'ish cast. The pictures was shot on an overcast day [Edith Cavell >> glacier, Jasper National Park (Canada)]. The original slide has a >> beautiful >> milky green tone to the water and the snow banks was almost white - >> definitely not magenta. >> >> If I correct for the snow, the water turns grey. If I correct for the >> water, >> the magenta cast gets worse. >> >> I've tried this in both Silverfast and Vuescan. Both gives similar >> results. >> It's driving me crazy. >> >> Here is an example of a very bad scan from Silverfast. >> >> <http://www.aotera.org/tmp/ice.jpg> >> >> Any suggestions? >> >> Regards, >> Spencer >> On my screen the snow Is blank white with no detail. Mark William Rabiner