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Shutterstock Photographer Forum Forum Index : Critique / Tips / Tricks :
Tutorial : Isolating objects in Photoshop
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andresr


Joined: 14 Dec 2004
Posts: 1671
Location: London www.andresr.com

Post Posted: Wed Oct 19, 2005 5:03 am     Reply with quote

davidcrehner wrote:
I think my way is faster...

Zoom in 100%. USe the polygon selection tool to rough in a selection around the object. Get it close, but don't waste time getting it perfect. Once you close around the object, contract the selection by a couple pixels. Smooth by several pixels. Invert the selection. Feather by a couple pixels. Hit delete. Voila. Honestly works really, really well, and as you get better at it, you can do it very fast.

All my isolated shots in my gallery were done with this technique.


This feathering will give you oversmooth edges.

Zoom the image at 300% using the polygon tool select the edges CAREFULLY, feather by 0.5 (1 is the minimum value on ps7) and that's it, you get clean edges. Also you can just convert your selection to a clipping path .
joseph


Joined: 10 Dec 2004
Posts: 267
Location: San Juan Puerto Rico, la isla del encanto!

Post Posted: Wed Oct 19, 2005 6:39 am     Reply with quote

Excellent tutorial.
Simple step by step...
Hey, good info even for an old dog.

Thanks Erin
peaz


Joined: 23 Nov 2004
Posts: 59
Location: Malaysia

Post Posted: Wed Nov 09, 2005 1:46 am     Reply with quote

My brother taught me to use the pen tool to draw out a path. After that, convert it into a selection and feather by about 2 pixels. Then inverse the selection and clear that area out.

Voila. White out product shot with a clipping path. Kill two birds with one stone.

But there's a bit of learning curve to pick up the pen tool. But it's worth it since it's used a lot when drawing vectors in illustrator too!
Johnlric


Joined: 09 Apr 2005
Posts: 8
Location: Ball ground, GA

Post Posted: Sun Nov 13, 2005 5:06 pm     Reply with quote

I have tried everything I can think of to isolate shots like these. The fur just dosent want to cooperate. I can't get happy with my results. Here is the image.

http://www.shutterstock.com/pic-338314.html
Thanks for any suggestions.
charmina


Joined: 27 May 2005
Posts: 156
Location: Norway

Post Posted: Mon Nov 14, 2005 3:42 am     Reply with quote

About the squirrel and any other furry things:

Blow up to at least 200%.

Erase the background using any tool of your preference, just be sure to erase all areas containg any background color, usually this includes the entire outer furry part of the coat. Use an appropriate amount of feather to soften the edges quite a bit (depends very much upon the image at hand) so you have to test and find out for yourself).

Now, the best part: Use the brush tool to paint back the fur! Vary pixels after how thick the single hairs are (usually 1 or 2 pxls). It takes a while, but it is quite easy. Make sure not all hairs are the same length and in the same direction. Make it look natural. Open the original image (small size) for reference as you paint.

Go over all the hairs again using the smudge tool to fade out the end of each hair.

With this method you can put whiskers back on a cat, long hair on the squirrel's tail, anything!
nemosdad


Joined: 10 Mar 2005
Posts: 653
Location: Wakefield, RI

Post Posted: Fri Nov 18, 2005 6:10 am     Reply with quote

I've been struggling to learn how to isolate simple objects using the GIMP. I'm especially having difficulty obtaining clean edges. I'm a complete beginner and very frustrated with the process. Can someone kindly offer a simple step-by-step procedure or direct me to a great tutorial? I'd really appreciate any assistance. Thanks.
Pierdelune


Joined: 09 Nov 2004
Posts: 104

Post Posted: Sat Nov 19, 2005 7:30 am     Reply with quote

Thanks everybody for such tips.
I am ignorant, what is a GMP

I used polygon tools Andres on a pic and it had been rejected on IS, they suggest me to use Pen tools only to remove bckground.
Quite difficult these pen tools and it takes time before properly handying it.

I am also looking for tips to make silhouette with one of my image. If anyone can suggest something about it.

Thanks a lot
margaret


Joined: 01 Jul 2005
Posts: 1451
Location: Lancashire, U.K.

Post Posted: Sat Nov 19, 2005 9:48 am     Reply with quote

This is my next idea to try.
I have used white paper background to isolate objects and have recently bought photoshop3 elements.. all I can afford at the moment.
All the tips and advice are so useful. I am going to try them out.
Regards and thanks
Margaret
Pete Bax


Joined: 30 Jan 2005
Posts: 1238
Location: Brighton England

Post Posted: Mon Nov 28, 2005 4:28 pm     Reply with quote

Just read an interesting article by a newspaper photographer who says and I agree with him that what ever method you use you will always get some pixel distortion around the edges due to some reason to do with pixels. He suggests when you have finished blow it up and go round gently with the cloning brush both sides. He shows an example of one of the most washed out photos I have ever seen a real dustbin job and by the time he had finished with corrective layers it looked fantastic, fit for the front page. His name is Steve Caplin worth looking him up. Corrective layers will certainly give you the showroom finish we are all looking for.
michellejones


Joined: 31 Aug 2005
Posts: 11
Location: Ludlow, Shropshire

Post Posted: Sun Dec 18, 2005 6:18 pm     Reply with quote

Do you have a link to that article handy? It sounds like a fantastic read. Thank you guy's for putting this Tut on isolation up!

-----
The Forum Lurker...
drilea


Joined: 29 Jun 2005
Posts: 2
Location: Romania

Post Posted: Sat Dec 31, 2005 5:03 am     Reply with quote

Hello This is my first post. Here are three of my isolated objects photos for the december contest :

http://www.shutterstock.com/pic-818044.html

http://www.shutterstock.com/pic-831558.html

http://www.shutterstock.com/pic-818030.html



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feztaa


Joined: 14 May 2005
Posts: 616
Location: Canadia, eh?

Post Posted: Sat Dec 31, 2005 8:41 pm     Reply with quote

Wrong thread.
davidcrehner


Joined: 20 Jul 2005
Posts: 4839

Post Posted: Tue Jan 17, 2006 9:03 pm     Reply with quote

Yes, not to mention the backgrounds are not white. :-)
mikanainens


Joined: 02 Feb 2006
Posts: 1

Post Posted: Fri Feb 03, 2006 4:10 am     Reply with quote

Hi Dianne,

My name is Miks and I'm newcomer here (as pictures
author). I am photographer-amateur for many years, my favorite objects are - still lifes, landscapes,social scenes and portraits. I have'nt experience to sell pictures and need some advice about selling pics and info for your real statistics in selling matter (if you are ready tell me it).

I just start to upgrade my "hardwares" and will change my 35 mm SLR for digital SLR.

I would be glad to co-operate with you for future.
My e-mail: m_ignats@hotmail.com.

With regards from Latvia,

Miks (Michael) Ignats
vieth


Joined: 31 Jan 2006
Posts: 4
Location: Darlington, Wisconsin, U.S.A.

Post Posted: Mon Feb 06, 2006 4:23 pm     Reply with quote

The white paintbrush technique is a nice method to teach beginners because the concept is easy to grasp. But you'll be much better served by investing a little bit of time and learning to use the pen tool and paths which are used together to isolate subjects the "professional" way. The benefits of learning the pen tool and paths is that you'll be learning the method that is standard and expected in art/creative departments that use photoshop. More benefits include:
1. It's much faster once you get the hang of it.
2. You're not editing the image, just creating a path.
3. The pen tool allows fast creation of precise curves, which is not possible with the paintbrush tool.
4. Once you create a path using the pen tool, you can save the path and use it later. For example, one time you might want to use the path to create a white background, and another time you might want to create a color background, and another time you might want to just cut out the background altogether and make it transparent so you can overlay the subject on top of another image--you cannot do this with the paintbrush tool.
5. With paths, you can stop when you're half finished and resume your work later by adding on to the path. This is not as conveniently done with the paintbrush method.
6. With paths, you can create the path, save it, and then apply different degrees of feathering to the selection created with the path, experimenting with the degree of feathering that is right for you. Whereas with the paintbrush method, you have to choose the hardness of the paintbrush in the beginning, and then you're stuck with the result.

You can learn all about the pen tool and paths in Photoshop's built-in help menu.

Like I said. Do yourself a favor.

- John
 
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