> One thing that you also might try after you have used the channel mixer in > whatever variation is to create a copy of the image employ a curves adjustment > to achieve a specific affect and then ³apply image² command with a blending > perhaps with a blending mode on a back ground copy. I haven¹t done the testing > but this technique seems very powerful and less damaging. See Dan Margolis > book chpt. 5 Plate blending as Poetry. I would be interested to hear if > others are using this technique for B&W. > > Steve > >> > Do you remember where you read that article on this technique? >> > >> > John >> > >> > >> > >> > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul D. DeRocco" >> > <pderocco@i...> wrote: >>>> > > > From: jgm818 [mailto:jgm818@a...] >>>> > > > >>>> > > > I recently read an article from,John Paul Caponigro and his use of >>>> > > > using the channels in photoshop. He targeted each channel as >>>> > > > seperate layers and reduced there opacitiy and added a forth >>>> > > > lightness channel. He than created layer masks so he could apply >>>> > > > curves to each one. I've been just turning the image to >>>> > > > monochromatic and adjusting the sliders each at a time, getting the >>>> > > > look I wanted. Then I would use curves. Is his way superior? or am >>>> > > > I totally of track here? Jeff >>> > > >>> > > It all depends upon the image. If I understand your descriptions >>> correctly, >>> > > his method allows a separate curves for each color, and your's doesn't. >>> > > That's extremely versatile, but often unnecessary. I don't think there's any >>> > > shortcut--you have to look at the channels in each image, and watch what >>> > > happens as you mix them, and decide as you go along what techniques will be >>> > > needed to pull out the particular detail you're trying to capture. >>> > > Sometimes, the channel mixer is all you need; sometimes, it's useful to use >>> > > Hue/Sat to pick out a narrow color range to manipulate (narrower than >>> the R, >>> > > G or B channel); and sometimes there's no alternative but to convert the >>> > > channels into separate layers and manually paint the layer masks. It's an >>> > > art. >>> > > >>> > > -- >>> > > >>> > > Ciao, Paul D. DeRocco >>> > > Paul mailto:pderocco@i... > > > > > > Please visit the Group Homepage to check the Files, and other resources as > they are often being updated. > > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint > > If you wish to receive no emails or just a daily digest, or you wish to > unsubscribe, please edit your Membership preferences by visiting this same > page. > > Please follow these basic guidelines: > - As threads develop, trim off excess portions of earlier messages to keep > them short. > - Good manners are required at all time. No personal attacks or flames. > Hostile, aggressive or argumentative users may be removed from the membership > without notice. > - Keep your posts and threads related to the group topic of digital B&W > printing. 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Message
Re: [Digital BW] channel mixing
2005-03-03 by Steve Smith
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