HELP! Would it be possible to remove the background from a picture like this???

Discussion in 'Design and Graphics' started by VideoNewbie, Jun 5, 2010.

  1. VideoNewbie macrumors 6502

    Joined:
    Feb 6, 2009
    #1
    would it be possible to remove the background on a picture like this while basically maintaining all the little details of the tree?

    if so how would i do it?

    [​IMG]
     
  2. spinnerlys Guest

    spinnerlys

    Joined:
    Sep 7, 2008
    Location:
    forlod bygningen
    #2
    Get a higher resolution version and use the Magic Wand in PS to extract the tree ( and then invert the mask to remove the background). But that will be tedious work with that kind of detail, thus a higher resolution should be more easy.
    You can also enhance the black level and deepen the shadows (dark areas) of the image via the Level tool or Curves tool to make the tree more black to easier mask it via the Magic Wand.
     
  3. Intel Inside macrumors 6502

    Joined:
    Sep 19, 2008
    #3
    Yes, but it will take a while, and it wont be fun.
     
  4. panoz7 macrumors 6502a

    panoz7

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    Nov 21, 2005
    Location:
    Raleigh, NC
    #4
    It shouldn't be super difficult for an image like that where there's a big contrast difference between what you're trying to isolate and the background. If the tree wasn't as dark then it would have been much more difficult. The attached image took me about five minutes.
     

    Attached Files:

  5. spinnerlys Guest

    spinnerlys

    Joined:
    Sep 7, 2008
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    forlod bygningen
    #5
    panoz7, what tools did you use?

    I tried the method I described, but it was quite cumbersome and I haven't invested five minutes into it, maybe 30 to 45 seconds.
     
  6. panoz7 macrumors 6502a

    panoz7

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    Nov 21, 2005
    Location:
    Raleigh, NC
    #6
    I started by creating two channel mixer layers to convert the image to black and white. One converted the purple sky at the top to white and the other converted the red sky at the bottom to white. I then blended those together with a layer mask. I then adjusted the levels a bit to increase the contrast, and finally I painted with a white brush on a new layer wherever the channel mixers weren't completely effective (mostly around the edges). It's then pretty simple to use that black and white image as a layer mask on the previous image to eliminate the sky.
     
  7. Kwill macrumors 68000

    Kwill

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    Mar 10, 2003
  8. citizenzen macrumors 65816

    Joined:
    Mar 22, 2010
    #8
    Nice.

    You can now replace me with a monkey.
     
  9. neutrino23 macrumors 68000

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    Feb 14, 2003
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    SF Bay area
  10. G.T. macrumors 6502a

    Joined:
    Jul 12, 2008
    #10
    I used background erasure in PS then did fine detail with normal eraser.

    15_19_1---Tree--Sunrise--Northumberland_web.jpg before
    Untitled-1.jpg after
     
  11. bluetooth macrumors 6502a

    bluetooth

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    May 1, 2007
    Location:
    Toronto
    #11
    That is just awesome. Thanks for sharing.
     
  12. design-is macrumors 65816

    design-is

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    Oct 17, 2007
    Location:
    London / U.K.
    #12
    That does actually give hope that it might actually work this time... If so, good stuff!

    /Doug
     
  13. 7on macrumors 601

    7on

    Joined:
    Nov 9, 2003
    Location:
    Dress Rosa
    #13
    I would use the pen tool and trace the tree and then select the outcome and mask the tree layer.

    Or alternative hide the old layer and then just use the shape layer you created. This by far results in the best quality. Much higher than any filters or eraser tools.
     
  14. tobefirst macrumors 68040

    tobefirst

    Joined:
    Jan 24, 2005
    Location:
    St. Louis, MO
    #14
    I need to work where you work. :) That would take forever in a picture like this.
     
  15. stainlessliquid macrumors 68000

    Joined:
    Sep 22, 2006
    #15
    you should totally do that and show us
     
  16. opeter macrumors 65816

    opeter

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    Aug 5, 2007
    Location:
    Slovenia, EU
    #16
    This would take many hours to make. Not an economical option.
     
  17. Kwill macrumors 68000

    Kwill

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    Mar 10, 2003
    #17
    I suspect this is a sarcastic (no way practical) post. :rolleyes:
     
  18. spacedcadet macrumors regular

    Joined:
    Mar 5, 2009
    #18
    relatively easy

    so many different ways to do this. I would do it like this.
    Make image CMYK. Duplicate the Black channel into a new document. Play with levels to remove any unwanted grey from the sky.
     
  19. 7on macrumors 601

    7on

    Joined:
    Nov 9, 2003
    Location:
    Dress Rosa
    #19
    lol, I actually had to do that to a tree once in a project. The tree was very eveningly lit with the background.

    That said, this high contrast tree would be best done using one of the other methods mentioned. I may have come off a bit too "absolute" in my reasoning. Though it would be the best quality - not worth the time over channel mixing though. My tree I had to do was about 5-6 hours working through a lunch break. And the client changed her mind after seeing the finished results :rolleyes:

    EDIT:
    I took a look at the file and what I did was mode CMYK and deleted the CYM and level adjusted the K. Converted to greyscale and then erased some of the sky bits. Copied into Illustrator and then live traced and come up with attached in about 5min.
     

    Attached Files:

  20. JonBorichef macrumors regular

    JonBorichef

    Joined:
    Jun 16, 2010
    Location:
    Roseville, CA
    #20
    Perhaps Select>Color Range.

    But I haven't tried it. Let me know if it works.

    Cheers,
    Jonathan Borichef
     

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