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l4tf2
Joined: 23 Jun 2013
Posts: 5
Location: Sydney
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 Posted: Wed Jul 10, 2013 6:18 am Post subject: Constant background removal tool or plugin? |
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Hi there, I'm new to the forums and this is my first post. Please be friendly with me, I'm just a simple photoshopper. Thanks for your time!
I'm looking for a tutorial for a tool or a plugin that could help me remove a constant background. Constant as in, like I have a specific pattern behind an image I wish to extract, and I would like any alike pixels from that image to be removed.
For instance, I have a street fighter character on a background. I have the image of the fighter whom I want to extract as well as just the background around him. I then want to remove any similar pixels, leaving just the fighter.
I know about the color range, magic wand and lasso tool, but it occupies a lot of time for me.
Is that possible? Thank you for reading and I hope you can help me. Thanks!
Regards,
l4tf2
//EDIT: The background alone and the background on the item will be 100% alike, same resolution and pixel colors, etc. |
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Patrick
Administrator
Joined: 14 Feb 2003
Posts: 11945
Location: Harbinger, NC, U.S.A.
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| Posted: Thu Jul 11, 2013 1:29 pm Post subject: |
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thehermit
Joined: 05 Mar 2003
Posts: 3987
Location: Cheltenham, UK
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| Posted: Thu Jul 11, 2013 4:18 pm Post subject: |
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An image would help. There is no specific technique or singular method I know of, off the top of my head.
As mentioned before in the forum, if one element stays the same in the image (foreground or background) perhaps a mask from a difference layer could be fashioned.
_________________
If life serves you lemons, make lemonade! |
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l4tf2
Joined: 23 Jun 2013
Posts: 5
Location: Sydney
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| Posted: Fri Jul 19, 2013 2:08 am Post subject: |
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Hey, thanks for replying!
Here's an example I obtained from lolking.net 's model viewer.
So there's Master Yi on the lolking lolking lolking background which is constant, and just the background alone. Same resolution and pixels.
If you're wondering why I'm looking for this is because I'd like to make animations with these stuff but the backgrounds are quite time consuming to remove for each frame.
Thanks for anyone's help!
Regards,
L4TF2
//EDIT: By the way, I have no idea what masking is. I only know the basic stuff with the tools, magic wand and the lasso tool. I've been working around with the different Adobe products such as flash and fireworks for my animation. If you do know something I would really appreciate it. Thanks! |
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thehermit
Joined: 05 Mar 2003
Posts: 3987
Location: Cheltenham, UK
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| Posted: Fri Jul 19, 2013 4:34 pm Post subject: |
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Stand by your bed - I have provided some images to make it clearer.
Import both images into Photoshop.
Put the layer that is blank under the layer with the soldier.
On the layer with the soldier, change the blend mode to difference. You should see that the image is now the soldier on a black background.
Add a levels adjustment layer and make the image brighter.
Select>Colour Range and do as shown. Select the background.
the selection should now be active, turn off the levels adjustment layer and you should have an accurate cut out - Ctrl+Shift+I to invert the selection and bobs your uncle.
On a separate note, you don't need the bottom layer or the layer named composite image. Just the two layers and then the adjustment layer.
_________________
If life serves you lemons, make lemonade! |
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l4tf2
Joined: 23 Jun 2013
Posts: 5
Location: Sydney
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| Posted: Sat Jul 20, 2013 9:10 am Post subject: |
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Hi! Thanks a lot for replying!
I did as you said and it worked perfectly, thanks you so much! 
I don't know how to thank you, this is extremely useful and I never thought this was possible. Thanks a lot! Is there any way for me to like, +reputation you somehow? Is there a feature like that on this forum?
Thanks a lot, I appreciate it!
Regards,
l4tf2 |
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thehermit
Joined: 05 Mar 2003
Posts: 3987
Location: Cheltenham, UK
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| Posted: Sat Jul 20, 2013 12:36 pm Post subject: |
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No, but I will send my halo around for polishing on Fridays for 1 month  Share the knowledge, not a lot of point keeping it to oneself.
_________________
If life serves you lemons, make lemonade! |
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Patrick
Administrator
Joined: 14 Feb 2003
Posts: 11945
Location: Harbinger, NC, U.S.A.
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| Posted: Mon Jul 29, 2013 5:22 pm Post subject: |
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