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DPChallenge Forums >> Tips, Tricks, and Q&A >> How do i do this in PS?
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01/23/2006 02:38:30 PM · #1
cross processing?
01/23/2006 02:42:55 PM · #2
No simple answer ... cross processing is a very artistic form of darkroom processing.

It has been said that you can classify people into two groups as far as working in the darkroom.

There are the cooks, which use recipes to get expected results.

And there are the chefs, that tweak flavors and textures to get spectacular results.
01/23/2006 03:06:52 PM · #3
Here's a 10-dollar set of actions for cross-processing; I haven't tried them.

//www.chainstyle.com/catalog/collateral/xprocess.html

Or for a free one, go here, click on "tutorials" on the left, and scroll down to #23 and download what seems to be a cool action. You can read about them here.

R.

Message edited by author 2006-01-23 15:07:41.
01/23/2006 03:08:01 PM · #4
In the darkroom? Too complicated. I watched a few guys do it the other day, and my head was turning. Some say that it's easy, but then again I'm not good with chemicals.

In photoshop, it's easy, there are a few filters out there, you can use curves or what I like to use the most: cross-processing.
01/23/2006 03:09:13 PM · #5
I'm uncertain which effect of those posted on your example page you want to achieve. The second group of images, slides cross-processed into print, intrigues me the most. They seem to have a limited tonal range--the blacks and dark greys merge and the light greys merge with the highlights. The saturation in those images is bumped up--but it seems to depend on the film. Films that are generally known for strong greens have stronger green hues in the cross-processed results, likewise for other films within their specialties.
If I recall correctly, it is the layering of emulsions that helps the film photographer achieve certain results--three RGB layers ordered differently will record differently. So, perhaps, Fuji puts it layers in GBR order.
Having talked it out, I would say that to achieve a similar effect to these images you might play with white balance and process to enhance the original effect rather than fight it. For example, deliberately take indoor photos on a sunlight setting and when you find oranges and yellows rising to the top go in that directions. Further, limit the grey scale by pulling in the sliders when you do levels adjustments so that "black" becomes a combination of the lower grey tones--likewise for "white."
...off to see if I can fudge one.
01/23/2006 03:11:31 PM · #6
there are a lot of different ways to fake cross processing in photoshop, I've seen plugins and scripts around as well. I'd recommend hitting Google, and Adobe Studio Exchange. It gets discussed every few months in some flickr groups as well. Here is a group someone started just for digital cross processing. //flickr.com/groups/digixpro/
01/23/2006 03:17:26 PM · #7
No darkroom experience here at all, but from looking at the images it looks like the layer was duplicated, inverted and then the blending modes played with -- perhaps with an adjustment of curves as well.

David
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