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DPChallenge Forums >> Current Challenge >> Selective desat
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06/14/2004 12:13:27 AM · #1
Cool 2 free study challenges at once, sudenly I feel so free... :))
06/14/2004 12:20:59 AM · #2
I think its a pretty dumb challenge.

You arent being challenged for your Photograph, but being challenged to see who has the best Photoshop skills. Considering I don't know how to do selective desaturating, I don't think I will be in this challenge.
06/14/2004 12:24:22 AM · #3
I like it, but I'm guessing that e301 is glad he'll be down to just one eye for this one! ;o)

Sorry....I meant !o)
06/14/2004 12:26:20 AM · #4
Originally posted by jmlelii:

I think its a pretty dumb challenge.

You arent being challenged for your Photograph, but being challenged to see who has the best Photoshop skills. Considering I don't know how to do selective desaturating, I don't think I will be in this challenge.


Not all images work with selective desat so the challenge is partly to find an image that will work. You also still have to take a good picture to start with - if you have a bad photograph then color, black and white, or both isnt likely to save it. DPC is also partly about learning, and I'm sure there will be many threads posted about how to do selective desat all week.

If you dont put any effort into challenges then you're not going to get much from them. It's all about your approach and attitude towards it.
06/14/2004 12:26:25 AM · #5
Hey Jim,

it's easy & I am sure folks will be dropping tips throughout the week. PM me if you wanna know asap.
I do agree that post all this recent stuff about PS vs. fotog integrity that we would get a challenge that can;t be met withour the digital darkroom, seems kinda dumb in a way. However, I think it could be fun even still!
Give it a test run & see what happens. I predict LOTS of flowers!
06/14/2004 12:27:59 AM · #6
Isn't this the best time to learn how to do it then, Jeremy? I don't think it's a dumb challenge at all as it forces you to pre-visualize in both color and black & white and as has been stated above, it's a pretty open challenge.

Originally posted by jmlelii:

I think its a pretty dumb challenge.

You arent being challenged for your Photograph, but being challenged to see who has the best Photoshop skills. Considering I don't know how to do selective desaturating, I don't think I will be in this challenge.
06/14/2004 12:32:16 AM · #7
Originally posted by jmlelii:

I think its a pretty dumb challenge.

You arent being challenged for your Photograph, but being challenged to see who has the best Photoshop skills. Considering I don't know how to do selective desaturating, I don't think I will be in this challenge.


It's only dumb if you don't challenge yourself to learn how to do desaturation. You may want to start by reading this...

//www.dpchallenge.com/how.php?HOW_ID=16
06/14/2004 12:42:46 AM · #8
It is also good to remember that selective desat may be fairly easy to DO, but when does an image NEED it? Just desaturating because you can doesn't mean it is good use of an interesting tool. The ribbon winners will probably show us good examples of shots that REQUIRE selective desaturation for their communication.
06/14/2004 12:46:30 AM · #9
Originally posted by jmlelii:

I think its a pretty dumb challenge.

You arent being challenged for your Photograph, but being challenged to see who has the best Photoshop skills. Considering I don't know how to do selective desaturating, I don't think I will be in this challenge.


There are many stunning black and white film photography with selective colorizations. This is not unique to digital photography and the council is not reinventing the wheel here. I think as learners, we should be open to many kinds of techniques. As Olyuzi said, it forces you to pre-visualize your shots then go out to make them. I don't know how to selectively desaturate in Photoshop either but you can always google and search for the best tutorial floating around. And there are lots.

Message edited by author 2004-06-14 01:04:44.
06/14/2004 12:51:07 AM · #10
I think this is one of those challenge topics that will open peoples mind to different methods of photographs. Others are high key and low key I believe(It's too bright, it's too dark, I meant to do that)
06/14/2004 01:10:30 AM · #11
Well, my shot for Banana would have fit in nicely for this one


06/14/2004 01:21:38 AM · #12
Originally posted by dsidwell:

It is also good to remember that selective desat may be fairly easy to DO, but when does an image NEED it? Just desaturating because you can doesn't mean it is good use of an interesting tool. The ribbon winners will probably show us good examples of shots that REQUIRE selective desaturation for their communication.


Exactly, as any effect in some cases it enhancess the photo, helps the subject stand out more, other shots could do better without it. I guess the challenge is to make a selective desat on a shot that really needs it and where it really looks good. I will score low shots where it is obvious the selective desat whas used only for the sake of it and the image didn't really needed it.
In other words for me a shot that's good in this challenge is one where selective desat makes it not just any shot where it happens to be a selective desat.

I also have a question, how would a partial selective desat do in this?
For example here

I desaturated the background but not completely only by about 75%.

Message edited by author 2004-06-14 01:27:08.
06/14/2004 01:27:00 AM · #13
Does selective desaturation have to be done in an editing programing or can it be done in camera as well? In other words, I'm asking if we can set up a shot that has predominantly grayscale tones as say background and add one or two elements that have color in them and then take the photograph?
06/14/2004 01:27:35 AM · #14
Originally posted by dsidwell:

It is also good to remember that selective desat may be fairly easy to DO, but when does an image NEED it? Just desaturating because you can doesn't mean it is good use of an interesting tool. The ribbon winners will probably show us good examples of shots that REQUIRE selective desaturation for their communication.


You hit the nail on the head. I think sel-desat is a fairly easy technique to use but not appropriate for just any image. We'll see some fine images but probably a hundred or more where the sel-desat technique is forced on a subject where it isn't really right, an lots more of them in future challenges when people try to use their new found skills on more inappropriate subjects. There needs to be as much, or more, discussion about when to use this technique as about how to do it.
06/14/2004 01:37:13 AM · #15
Originally posted by faidoi:

I think this is one of those challenge topics that will open peoples mind to different methods of photographs. Others are high key and low key I believe(It's too bright, it's too dark, I meant to do that)


Heehee, you mean like this, my lowest scoring entry to date?



Not looking forward to selective desaturation---RARELY do I like this technique. My PS skills aren't the best. I guess this will sharpen them up. If I can suck it up and do it, anyone can. :-D

06/14/2004 01:48:53 AM · #16
Originally posted by melismatica:

Originally posted by faidoi:

I think this is one of those challenge topics that will open peoples mind to different methods of photographs. Others are high key and low key I believe(It's too bright, it's too dark, I meant to do that)


Heehee, you mean like this, my lowest scoring entry to date?



Yep.
06/14/2004 01:51:31 AM · #17
One question. Since not all editing programs allow you to desaturate with just a simple move of the cursor, can you some sort of line tool or polygonal lasso tool to do desaturation?
06/14/2004 01:55:00 AM · #18
Originally posted by Havok:

One question. Since not all editing programs allow you to desaturate with just a simple move of the cursor, can you some sort of line tool or polygonal lasso tool to do desaturation?


I don't see why not since it's an advance challenge. By the way this is one of the best examples of desat:
06/14/2004 02:07:45 AM · #19
Originally posted by Havok:

One question. Since not all editing programs allow you to desaturate with just a simple move of the cursor, can you some sort of line tool or polygonal lasso tool to do desaturation?


I use Photoshop CS, absolutely no clue how to do sel-desat. I have this image where I used the magnetic lasso to select the red shoe, inverted the selection and desat. This is the only way I know to do it, gonna have to read up on tutorials and practice, well... if i find the right subject.


06/14/2004 02:10:29 AM · #20
Its not hard i did this in 2 minutes.
If you need help just ask.

06/14/2004 02:40:16 AM · #21
Originally posted by ConcreteDonkey:

Its not hard i did this in 2 minutes.
If you need help just ask.


Gilles, mind writing a quick step-by-step way how you did yours? Much thanks.


06/14/2004 03:09:20 AM · #22
Originally posted by faidoi:


I don't see why not since it's an advance challenge. By the way this is one of the best examples of desat:


Hey thanks. I really think your "Blue" photo is also a great example of desaturation.


06/14/2004 03:19:20 AM · #23

This is one of my 'centered'challenge option, converted to B&W then painted , I guess it would work for 'desaturation' challenge too. Any other way to reach the effect? I cannot desaturate a particular color in the software I use.
06/14/2004 04:06:06 AM · #24
Originally posted by artvet:

I cannot desaturate a particular color in the software I use.



by MrAkamai was done without post processing. How did he do it? If you can guess then you can look for the same type of photo to take.

Pictures are not alone composition, subject matter, but some thought into the color of the subject should be a part of the final product as well.

Message edited by author 2004-06-14 04:06:32.
06/14/2004 07:04:12 AM · #25
I think of selective desaturation as another way to separate two or more elements in the composition. It works almost as a second focusing tool. The part in color will catch the viewers eye, just like the part of a photo in focus, and then the viewer will look at the black and white background, or the out of focus part.

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