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DPChallenge Forums >> Individual Photograph Discussion >> Non Member selective desaturation question
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Showing posts 1 - 11 of 11, (reverse)
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06/29/2004 10:53:20 AM · #1
I did these on my mac and they looked great, but they look horribly dark on my PC. I adjusted my mac to 2.2 gamma and still the same issue. Is my PC too dark or is everyone seeing these as very dark? (They are actually larger, so the compression adds to the problem, but if you want I can send the full size by email to anyone who wants to help me out)
Thanks!

//f1.pg.photos.yahoo.com/ph/airatic/detail?.dir=/1702&.dnm=2e8c.jpg
//f1.pg.photos.yahoo.com/ph/airatic/detail?.dir=/1702&.dnm=faf7.jpg&.src=ph
//f1.pg.photos.yahoo.com/ph/airatic/detail?.dir=/1702&.dnm=1fe9.jpg&.src=ph

06/29/2004 11:01:36 AM · #2
the first and third photos look pretty ok to me?? was it dark when you actually took the photo in the first place?
06/29/2004 11:07:45 AM · #3
No, in fact they were all taken in full, bright sunlight. Some of the others look even worse:
//f1.pg.photos.yahoo.com/ph/airatic/detail?.dir=/1702&.dnm=6a0e.jpg&.src=ph
that one was indoors but in bright full spectrum light, and looks fine on the mac.

//f1.pg.photos.yahoo.com/ph/airatic/detail?.dir=/1702&.dnm=1af0.jpg&.src=ph

That one was taken indoors in low light, but again, it looks fine on the mac and atrocious on the PC.
06/29/2004 02:40:55 PM · #4
I do have a question about selective desaturation. If you aren't "painting" the colored area...then how do you get the rest of it black and white and leave the other part colored. I have tried the whole "lasso" thing on photoshop and I suck and making it look normal. How do you get the desaturation like what I am talking about?
(still learning everyday)
//f2.pg.photos.yahoo.com/ph/wilkinsonartwork/detail?.dir=/Yahoo!+Photo+Album&.dnm=82e2.jpg
this is another one of my selective desats..it's a picture of my son on Memorial Day this year...trying to Salute the Flag.

Message edited by author 2004-06-29 14:43:01.
06/29/2004 02:46:52 PM · #5
i fiddled around with the magnetic lasso as well (and cursed a lot), until I found the tip somewhere to use the history brush. So first desaturate all (or better: convert to black and white with the channel mixer, tick monochrome box) and then with the history brush uno the desaturation in the places of choice. You can choose a very small brush, and if you zoom in like 400%, you can really select per pixel if you need to. I found that very helpfull
06/29/2004 03:01:59 PM · #6
Ok..i'm looking for this history brush and I can't find it. I am still learning how to really use photoshop and not just the easy stuff. Please help!!
06/29/2004 03:24:29 PM · #7
AHA!! I figured something out..but a little bit different way..here's what I came up with.


I changed my eye color added a blizzard effect, softened the effect, and added a drop shadow.


Message edited by author 2004-06-29 15:25:09.
06/29/2004 03:58:10 PM · #8
The History Brush is located right under the Paintbrush/Pencil tool and above the Paint Bucket/Gradient Tool. Or you could just press the hotkey Y and make sure History Brush is selected and not Art History Brush.

An alternative method which I learned and have been using instead of the Lasso Tool, was to create a Quick Mask to form your selection. I did a brief tutorial of creating Quick Masks here.

*My server is having problems on and off since my images don't appear 100% of the time. The tutorial was written before the images were added so my descriptions are not heavily dependant on them, they are simply visual cues.

Message edited by author 2004-06-29 16:06:45.
06/29/2004 04:03:10 PM · #9
I much prefer the layers method:
Duplicate your layer, then desaturate the top layer and erase (or lasso/select) the areas you want to be in color. If you zoom in really close, this technique will give you the best real-life color and detail. You can make saturation changes on either layer as well. Just don't forget to flatten your image when you're done.
06/29/2004 04:07:28 PM · #10
I have one of the first photoshop's. I keep looking for these things. and wonder if its cuz I don't have an updated version. Oh well, I did figure out something.
Did you like the picture I came up with?

06/29/2004 04:14:42 PM · #11
The method you prefer is an easy fix but sometimes you need to independantly switch back and forth between the desaturated and colored area (inverse selection). Creating a selection (I prefer Quick Mask) is more versatile and allows you to apply several different effects or filters to the background without having to create new layers for each effect. Just make sure your bg is selected, then apply filter. Don't like it? Undo and try another.

What if you need to boost saturation on just a certain part of your photo while keeping the rest unaltered? Will you still duplicate layer, saturate, then erase? Learning to select/mask your images is an invaluable technique.
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