© 2008 ivanna. All rights reserved. t-erase-background-tool

Photoshop CS3 Tutorial: The Erase Background Tool. Removing complex backgrounds.

The erase background tool is powerful, but good results are only possible if you understand how it works. In this tute, we will look at all the options in the tool and use them to extract backgrounds from our images.

The tool works best if the background is all a similar colour, for example, someone against a solid colour or a bright sky.

1I have deliberately chosen a difficult image, as the girl has flyaway hair that i want to keep.

2From the toolbox, select the background eraser tool

3When the tool is selected, the control palette will display the default settings. Select the 3rd button, Sampling:Foreground Swatch This will only erase the foreground colour. Set the tolerance to 25%
Make sure Protect Foreground Colour is ticked.Selecting the option Sampling:Foreground Swatch allows you to sample the background colour most prominent in your image, so the eraser will ignore contrasting colour pixels.

Choosing to Protect Foreground Colour allows you to sample a foreground colour to protect from the eraser.Screenshot 1

4Now we need to sample the background colour to erase. Select the background swatch in your toolbox, and double click to bring up the colour panel.

Screenshot 1

5Select the background colour with the eyedropper, right click to select a 51X51 average. This will make sure that the area sampled will be larger than just one pixel, so many shades of light blue will be included instead of just a singular blue pixel.
Next, select the foreground to protect (we will start with the girl’s hair) I will use a 11X11 average for this. Notice the colours on my background and foreground swatches.

Screenshot 1Screenshot 1

6Choose a nice big size for the brush. Use CTRL (CMD) and the bracket keys({}) to change the brush size.

7Think of the brush as a sort of magic wand tool, that erases selections based on the colour it clicks on. The more a colour is prersent under the “radius” of the brush, the more photoshop will think it is the background colour, and erase it.

8You can now get nearer the edge, just remember that you want more of the colour to be erased, less of the protected colours, under the brush!

9Notice that to select the more fiddly edges, I am positioning the centre of the brush on top of the light blue, not the hair.

10These settings will remain true for similar areas, as soon as we get to areas with different colurs, for example the girl’s blouse, we need to select different colours to ‘protect’ – use the eyedropper to select the new foreground colour, right click to select a 51X51 pixel average.

11 You will need to change foreground and background colours often as you work through the image.

12Now open another image, perhaps an outdoor image like a beach or busy street.
Paste the selection of the girl above it, resize to fit and get rid of any stray white areas with a soft brush eraser.

13To tidy up any stray white edges around the hair, we will darken some parts of the imageSelect the Burn Tool

14From the Range dropdown options, select highlights and an exposure of 25% or thereabouts.

15Now go over the edges of the hair to darken (burn) any stray highlights or white halos on the edges.

16The finishing touches:
Image>adjustments>levels to increase tonal contrast on the background to match the girl image. This is a quick and dirty fix, As this tute is about the background eraser tool, not levels :)
Position the girl so her eyes are aligned with the horizon, to make the perspective credible.
You’re done!

42 Comments

  1. Posted 31 Jan ’08 at 10:01 pm | Permalink

    Interesting how you have kept the detail in the hair, it works well. I would normally have done this with a clipping path but I could never get a natural ballance with regards to sharpness on the edges.

    I will be giving this a go.

  2. Posted 31 Jan ’08 at 10:01 pm | Permalink

    Interesting how you have kept the detail in the hair, it works well. I would normally have done this with a clipping path but I could never get a natural ballance with regards to sharpness on the edges.

    I will be giving this a go.

  3. Posted 1 Feb ’08 at 8:17 am | Permalink

    hi bubbila

    thanks for ur comments- I would normally use clipping paths myself, created out of channels (the great russellbrown.com has a great tute I followed on this). but sometimes, as you say, the detail can get lost. I find for some quick results this tool is the bomb. and it does give great results on hair if used properly.

    Thanks for your comments- it means so much that people are actually reading these tutes!

    Ivanna

  4. Posted 1 Feb ’08 at 8:17 am | Permalink

    hi bubbila

    thanks for ur comments- I would normally use clipping paths myself, created out of channels (the great russellbrown.com has a great tute I followed on this). but sometimes, as you say, the detail can get lost. I find for some quick results this tool is the bomb. and it does give great results on hair if used properly.

    Thanks for your comments- it means so much that people are actually reading these tutes!

    Ivanna

  5. Pete Thorp
    Posted 4 Feb ’08 at 11:58 pm | Permalink

    Absolutely excellent. A really useful and easy to follow tutorial and has added yet another string to my growing bow of Photoshop techniques!
    Thank you. I will be checking back for any more tips!

  6. Pete Thorp
    Posted 4 Feb ’08 at 11:58 pm | Permalink

    Absolutely excellent. A really useful and easy to follow tutorial and has added yet another string to my growing bow of Photoshop techniques!
    Thank you. I will be checking back for any more tips!

  7. Posted 5 Feb ’08 at 10:17 am | Permalink

    thanks peter- i update the site every 2 days with new tutorials- so keep checking!

    it’s great to see these tutes are being read- means a lot to me!

    cheers
    Ivanna

  8. Posted 5 Feb ’08 at 10:17 am | Permalink

    thanks peter- i update the site every 2 days with new tutorials- so keep checking!

    it’s great to see these tutes are being read- means a lot to me!

    cheers
    Ivanna

  9. Posted 5 Feb ’08 at 12:41 pm | Permalink

    Hey Ivanna,

    That’s a great wee tutorial – think I’ll use this method in the future [obviously not on pictures of myself, but maybe on little Gracie's pics!].

    As well as the tutorials, your portfolio is looking great too…

    Ciao for now,
    Ricky x

  10. Posted 5 Feb ’08 at 12:41 pm | Permalink

    Hey Ivanna,

    That’s a great wee tutorial – think I’ll use this method in the future [obviously not on pictures of myself, but maybe on little Gracie's pics!].

    As well as the tutorials, your portfolio is looking great too…

    Ciao for now,
    Ricky x

  11. Posted 5 Feb ’08 at 2:11 pm | Permalink

    hey rico!

    thanks for your kind comments- coming from you, (whose portfolio makes me weep 70% opacity tears of pure admiration) I am well chuffed…

    we so need to get together for a drinkie with jamie and all the other peeps for auld times sakes!

    speak soon
    x
    Ivanna

  12. Posted 5 Feb ’08 at 2:11 pm | Permalink

    hey rico!

    thanks for your kind comments- coming from you, (whose portfolio makes me weep 70% opacity tears of pure admiration) I am well chuffed…

    we so need to get together for a drinkie with jamie and all the other peeps for auld times sakes!

    speak soon
    x
    Ivanna

  13. Jennie
    Posted 29 Mar ’08 at 7:51 am | Permalink

    Great tut, Thanks I tried it and it is Fab. Fun too.
    Jen

  14. Jennie
    Posted 29 Mar ’08 at 7:51 am | Permalink

    Great tut, Thanks I tried it and it is Fab. Fun too.
    Jen

  15. Posted 7 Apr ’08 at 7:54 am | Permalink

    thx for the great tutoria, i’ve been a long time searching and learning how to remove backgroung from hair, and finaly! thx to you… it’s great tutor and very quicky step!

  16. Posted 7 Apr ’08 at 7:54 am | Permalink

    thx for the great tutoria, i’ve been a long time searching and learning how to remove backgroung from hair, and finaly! thx to you… it’s great tutor and very quicky step!

  17. Posted 13 Apr ’08 at 5:09 pm | Permalink

    Wow! Please give us more tutorials. I really like your style of explanation. I think yours are my favorite tutorials of all those I’ve seen (and I’ve seen a lot of them). Beautiful work, too! Thanks.

  18. Posted 13 Apr ’08 at 5:09 pm | Permalink

    Wow! Please give us more tutorials. I really like your style of explanation. I think yours are my favorite tutorials of all those I’ve seen (and I’ve seen a lot of them). Beautiful work, too! Thanks.

  19. Mary
    Posted 14 Aug ’08 at 2:33 pm | Permalink

    I really liked the tutorial but for my purposes I didn’t need a new background I just my logo with the background erased. All went well until I tried to save it and use it in another document??!! Why is it not giving me my erased background as a jpeg?

  20. Mary
    Posted 14 Aug ’08 at 2:33 pm | Permalink

    I really liked the tutorial but for my purposes I didn’t need a new background I just my logo with the background erased. All went well until I tried to save it and use it in another document??!! Why is it not giving me my erased background as a jpeg?

  21. Sarah
    Posted 18 Sep ’08 at 4:43 am | Permalink

    I’ve seen tutorials like this whenever the subject is on a plain background.

    How about doing an example when the subject has flyaway hair and is on a busy background? With like trees and grass behind the head?….

  22. Sarah
    Posted 18 Sep ’08 at 4:43 am | Permalink

    I’ve seen tutorials like this whenever the subject is on a plain background.

    How about doing an example when the subject has flyaway hair and is on a busy background? With like trees and grass behind the head?….

  23. Steven Chen
    Posted 10 Nov ’08 at 4:25 am | Permalink

    Your tutorials are really amazing! My interest in learning Photoshop is increasing by your tutorials! Thank you :)

  24. Steven Chen
    Posted 10 Nov ’08 at 4:25 am | Permalink

    Your tutorials are really amazing! My interest in learning Photoshop is increasing by your tutorials! Thank you :)

  25. Posted 13 Nov ’08 at 8:04 pm | Permalink

    Hi , I would like to ask your help to extract italics text from an old and damaged document. In fact, I want to improve the text and then to “paste” on a background that simulates an old paper. I would like to attach a portion of the image so you can take a look, but apparently I can not do that from here. Am I wrong?
    Regards

  26. Posted 13 Nov ’08 at 8:04 pm | Permalink

    Hi , I would like to ask your help to extract italics text from an old and damaged document. In fact, I want to improve the text and then to “paste” on a background that simulates an old paper. I would like to attach a portion of the image so you can take a look, but apparently I can not do that from here. Am I wrong?
    Regards

  27. Posted 17 Mar ’09 at 10:08 am | Permalink

    This is absolutely awesome tutorial. Would love to see more. Thanks for sharing.

  28. Posted 17 Mar ’09 at 10:08 am | Permalink

    This is absolutely awesome tutorial. Would love to see more. Thanks for sharing.

  29. Posted 21 Mar ’09 at 8:25 pm | Permalink

    i prefer the extract filter plug in, but this was really clean too.

  30. Posted 21 Mar ’09 at 8:25 pm | Permalink

    i prefer the extract filter plug in, but this was really clean too.

  31. Posted 28 Mar ’09 at 10:19 pm | Permalink

    Oh photoshop, you never stop amazing me.

  32. Posted 28 Mar ’09 at 10:19 pm | Permalink

    Oh photoshop, you never stop amazing me.

  33. Posted 29 Mar ’09 at 1:20 am | Permalink

    Clean and direct Tutorial.
    I was searching for something like this long time ago; cause I´m a regular user but with fireworks by macromedia, and I need erase the background in hundred of photos by week; Im starting to work in a gifth catalog enterprise.
    Again I think is a very useful tuto.

  34. Posted 29 Mar ’09 at 1:20 am | Permalink

    Clean and direct Tutorial.
    I was searching for something like this long time ago; cause I´m a regular user but with fireworks by macromedia, and I need erase the background in hundred of photos by week; Im starting to work in a gifth catalog enterprise.
    Again I think is a very useful tuto.

  35. Posted 15 May ’09 at 10:38 am | Permalink

    wow thats a nice tutorial. Thanks for sharing =D

  36. JenGiroo
    Posted 16 May ’09 at 10:05 pm | Permalink

    Wooaa!! This Tuto is excelent!!! Thanks, it was very effective for me.

  37. Bach
    Posted 25 May ’09 at 11:31 pm | Permalink

    Thanks for great tutorial! I’ve learned the new things today. I didn’t even know I could erase the background so perfectly before I’ve read your tutorial. Great works!

  38. Posted 29 May ’09 at 11:42 am | Permalink

    Hi Ivanna

    This is a truly a very helpfull tutorial – actully its hard to find good models on a correct background as per the site requirement and this tutorial helps all web guys to solve main problem..

    yeah wish u very good luck..

    Best Regards
    Sachin

  39. Posted 29 May ’09 at 11:44 am | Permalink

    Hi Ivanna,

    This is a truly a very helpfull tutorial – actully its hard to find good models on a correct background as per the site requirement and this tutorial helps all web guys to solve main problem..

    yeah wish u very good luck..

    Best Regards
    Sachin

  40. Amit
    Posted 17 Jun ’09 at 10:49 am | Permalink

    Hats off..
    who ever had done this…

    i tried it and it works…..
    just try with different options u’ll get good effects..

    -AMIT

  41. Posted 10 Feb ’10 at 9:33 am | Permalink

    Interesting use of tools, i never knew that background eraser does that… i just ignored it and used the magic wand on small spots and the normal eraser for selection fails, or magic want + quickmask and gaussian blur.
    Nice hint, thank you.

  42. Rosie
    Posted 8 May ’10 at 5:42 pm | Permalink

    Hey, this looks really good but it doesn’t fit with photoshop elements… is there a way to do this with elements?
    Thanks.

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