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Photo Retouching "Improving" photos, post-production, correction, etc.

another problem with hair..

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  #1  
Old 03-29-2009, 10:11 AM
jaroslav's Avatar
jaroslav jaroslav is offline
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another problem with hair..

So I've got another problem - how to remove background.

Pic : http://www.sendspace.com/file/f6pxt9

I played with "blend if" and calculations with levels and nothing...

any ideas how to do this ?

thx U
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Old 03-29-2009, 10:37 AM
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ruud92 ruud92 is offline
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Re: another problem with hair..

try color select, that may help in this case.
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Old 03-29-2009, 01:30 PM
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igot2pman igot2pman is offline
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Re: another problem with hair..

Hello again,
  1. Duplicate the BG
  2. Open a new levels adj layer
  3. Use the white dropper to select a med dark grey point (this will allow you more room in the CR selection) (red dot is where i clicked)
  4. Copy murge to a new layer
  5. Use the color range (CR) tool to select the whites (i used 119 fuzziness)
  6. Hide or delete the levels ADJ layer and the copy merge (its no longer needed)
  7. With the selection shown; use the quick select (subtract selection) on the parts of the hair or shoulder that you want shown
  8. Invert the selection
  9. Create a new layer mask on the duplicate BG; the selection should become the mask. fine tune where necessary (probably the shoulder)

I further edited by making another levels and pushing auto (with the grey BG shown as its a grey point).

Hope it helps,
-Keven
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File Type: jpg Untitled-1-ka-screenshoot.jpg (73.4 KB, 82 views)
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Old 03-29-2009, 02:19 PM
plantphoto plantphoto is offline
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Re: another problem with hair..

Personally my approach would be to use a channels.
Find the channel with most contrast for darker hair to manipulate into a mask.
Then to the same for the lighter hair.You can then apply both these masks into one.
Simon
Here's a trailer for a similar masking job I did using these methods http://www.prophotoinsights.net/making-gabe.html
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Old 03-29-2009, 02:48 PM
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StormFX StormFX is offline
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Re: another problem with hair..

There isn't enough contrast to build successful mask in RGB indeed. I suggest convert to CMYK and use yellow channel to build the mask. After that you can use level, curves, D&B, apply image etc. to finish the mask

Very quick and dirty example, just to show the result:
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Old 03-31-2009, 07:39 PM
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mepaulus mepaulus is offline
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Re: another problem with hair..

Quote:
Originally Posted by StormFX View Post
There isn't enough contrast to build successful mask in RGB indeed. I suggest convert to CMYK and use yellow channel to build the mask. After that you can use level, curves, D&B, apply image etc. to finish the mask

Very quick and dirty example, just to show the result:
wished i could say quick and dirty lol , took me hours but i got there with lots of fiddly close in work.
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Old 04-05-2009, 05:40 PM
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chillin chillin is offline
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Re: another problem with hair..

Here is one tutorial.
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  #8  
Old 04-05-2009, 08:11 PM
jries51 jries51 is offline
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Re: another problem with hair..

Hey StormFX, I hope you've been able to make this work by now. Chillin, thanks for the tutorial! I've been using Photoshop to retouch pictures for over 11 years now and I can still learn new tricks.
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Old 04-06-2009, 10:01 AM
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ray12 ray12 is offline
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Re: another problem with hair..

I know this solution is not cheap...but I use Fluid Mask by Vertustech.com and it is possible to get hair strand accuracy in the cutout without any halos or fringing at each hair strand edge (price approx $149-179USD). The selection process takes just a few minutes and it returns a perfect mask back to Photoshop with the cutoiut ready to go. If you have a fairly even background this works just about perfect and quick...but if you have a busy or complicated background right behind the hair...no eye, mask, or extraction program is going to be able to tell the difference between a strand of hair or a pine needle or leaf edge. I have been able to get perfect and often flawless cutouts in minutes...but with other more complicated edges...you still have to do some minor repairs obviously. Hair is tuff.

Ray12

Last edited by ray12; 04-07-2009 at 10:26 AM.
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Old 04-07-2009, 10:10 AM
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Swampy Swampy is offline
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Re: another problem with hair..

I used my tutorial "Masking the Sky" for the bulk of the work (requires CS3 or higher) . On the resulting B/W channel, while cleaning up, I did an Apply Image set for SCREEN, to finish blowing out the background. I got to this point in less than 5 minutes.

See the tutorial link in my sig.
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