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Luminosity blending the best techniques?

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  #21  
Old 04-04-2008, 06:57 AM
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saby saby is offline
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Re: Luminosity blending the best techniques?

Quote:
Originally Posted by cricket1961 View Post
...
As far as lum goes, try this. Default black and white, click reverse, hit ok and then lower the opacity to 0%. Also change the blend mode to Linear Dodge. Now up the opacity in 1% increments and watch the image open up while retaining color. Unfortunately it does change saturation but it is easily fixed. If you click back into the gradient for the mesh and slide the hilite triangle to the left you can limit how the opening up affects your higher end.

There is so much to do with this tool. Its easy to get lost in it.
Chris
At last we arriwed to our favorite d&b, but this is a very usefull tip Chris, this is what I use, seems about Ur technique:
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File Type: jpg d&b.jpg (97.3 KB, 196 views)
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  #22  
Old 04-04-2008, 08:33 AM
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cricket1961 cricket1961 is offline
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Re: Luminosity blending the best techniques?

Saby

It looks good. Almost HD.

Did you try it using the gradient map as I described? The way you used the blend if controls mimics the way to adjust the gradient used in the gradient map.

If you use the gradient map method you can add the additional blend if controls that you used for more flexibility.

If anyone is confused about the method I used I'll gladly put something like Saby did for a visual as soon as I can get a break from working.

Chris
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  #23  
Old 04-04-2008, 09:03 AM
mayday mayday is offline
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Re: Luminosity blending the best techniques?

Chris I guess you can use you Gradient map technique for darkening on linear burn mode?
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  #24  
Old 04-04-2008, 09:29 AM
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Daviskw Daviskw is offline
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Re: Luminosity blending the best techniques?

Hi mayday

Below is another technique essentially the same as yours I believe but a different way of achieving it...This by Dan Margulas

Duplicate the background

On the duplicate use apply image

Set the source channel to green and the blending to normal

Adjust opacity as desired... I usually leave it at 100 percent.

Change the duplicates layer mode to luminosity and adjust opacity as needed.

Butch
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  #25  
Old 04-04-2008, 10:34 AM
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cricket1961 cricket1961 is offline
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Re: Luminosity blending the best techniques?

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Originally Posted by mayday View Post
Chris I guess you can use you Gradient map technique for darkening on linear burn mode?
Yes you can. Many different things can be done with the blend modes. Then you can get into using different color gradient maps and blend modes.

Chris
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  #26  
Old 04-04-2008, 11:08 AM
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Re: Luminosity blending the best techniques?

Quote:
Originally Posted by cricket1961 View Post
Saby

It looks good. Almost HD.

Did you try it using the gradient map as I described? The way you used the blend if controls mimics the way to adjust the gradient used in the gradient map.

If you use the gradient map method you can add the additional blend if controls that you used for more flexibility.

If anyone is confused about the method I used I'll gladly put something like Saby did for a visual as soon as I can get a break from working.

Chris
exactly, that was what I've tried and Ur way there is one more softening possibility, that's great
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  #27  
Old 04-04-2008, 11:53 AM
mschwartz mschwartz is offline
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Re: Luminosity blending the best techniques?

Chris,
If you could put some screen shots up similar to Saby's it would be quite helpful.

Michael
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  #28  
Old 04-05-2008, 08:24 AM
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Markzebra Markzebra is offline
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Re: Luminosity blending the best techniques?

The advanced blending sliders are a much underused shortcut to a lot of these "density masking" techniques - remember you can also split the channels and blend them seperately. In practice theres not a lot of advantage in creating layer masks, when advanced blending is doing the same thing. These layers can also sit on top of your image non destrucively, and react to any base retouching below them. The only disadvantage with this technique over gradient map is that I've found unless the source is very pure it can create posterisation on 8 bit images though.

Interesting to see someone doing the same thing as I do sometimes, putting two layer sets one for tonal information and one for color Most blend modes can also be simulated with Curve adjustments - the linear dodge technique for opening an image up that Chris describes earlier can be simulated with a curve that simulates linear dodge. This curve has a straight line, hence "linear" dodge. Saves duplicating pixels. Again this is controllable with opacity - you can even find a curve that sits half way between a color dodge and linear dodge- in this way controlling the saturation issues that Chris rightly mentions

Yes the whole topic of Gradient maps, and their uses is a fascinating one, and I'm reading everyones experience with interest

Last edited by Markzebra; 04-05-2008 at 08:30 AM.
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  #29  
Old 04-05-2008, 12:05 PM
JavierT JavierT is offline
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Re: Luminosity blending the best techniques?

I am reading with interest too, but sometimes I have problems to understand the workflow you posted. I have to make an effort to process the information. The problem is that you post faster than I process, LOL.

Anyway, is nice see the sucess of the new threads.

Chris, I know you are very busy, but some kind of help (screenshots) are welcoming. I am discovering the powerfull of gradient maps.

Thanks.
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  #30  
Old 04-05-2008, 11:11 PM
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Kitkuare Kitkuare is offline
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Re: Luminosity blending the best techniques?

Great thread, hope to read more!
Devon
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