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12/14/2005 10:55:47 AM · #1 |
I don't get it...this extraction feature is horrible on photoshop...I have 7.0 btw.
How careful do you have to be when you are outlining the image with the highlighter? Everytime I extract it extracts part of the foreground image and the edges are jagged. What settings do you guys use--I have tried being careful (which takes forever by the way) and I have tried just doing it quickly...but I can never get the damn thing to extract CLEAN.
please help. |
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12/14/2005 12:07:49 PM · #2 |
on some images it is almost impossiable to get a clean extract. But here is how I use the tool.
1.choose a brush size that is fairly small as you want to only paint on the edge of the subject. next pick a color that contrasts to the background. then click the smart highlighting. This allows the brush to find the edge and paint on the more domaint side. IE say you are extracting somebody's arm. Run the brush 3/4 on the arm and 1/4 on the back ground. The brush will try to figure where the edge is and paint mainly on the arm side of the brush. Set the smooth fairly low. I run mine roughly at 25 to 40
2. Now start drawing around the object edge, try to keep the brush on the edge. Keep working and don't get frustrated if you get off track. We will clean the edge up in a few more steps.
3. Now click on the fill. if the background also turns you fill color you need to click the brush again and find where your opening is and close it.
4. now come where we will clean up the edges. Click on preview and then zoom in on your edge. on the tool pallete you wil see clean up tool. Click on that and start working on your edge. in normal mode it erases. when you alt click it fill. Work around the object painting at erasing till you are fairly happy.
click ok the add what ever background and then work around the edge with the blur tool healing brush. And soon you will have and object that is blended nicely with your new background. It takes alot of practice but soon you will get the hang of it |
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12/14/2005 12:16:08 PM · #3 |
I tried the extractor once i heard about it. I don't bother with it, as in PS ther are many ways to accomplish the same result.
I use the magic wand and lasso to select the subject and Ctrl J them to a new layer. By adjusting the sensitivity on the MW you can get pretty good. ONce you have it selected, go to Selection-Modify on the menu, and Contract by 1 or 2 pixels, then select feather 2 or 3 (then do the Ctrl J). Except for really fine hair or fur (or perhaps trees) this works very well. I have done this a lot recently and on prints up to 8x10.
Replace BG here  
and tweaked the BG colors/hues here
If you can plan ahead when you shoot and shoot against black it is a one click operation...
 
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12/14/2005 12:31:19 PM · #4 |
All the tools in PS are fine for the average user. They do an 'ok' job of extraction.
HOWEVER, if you want a great extraction of an image, you must learn how to do Alpha Channels.
Alpha Channels are far superior to 'hand' extractions because of the quality of detail aquired.
I don't have the time rignt this minute to go into detail on how to make an Alpha Channel, but PM me if interested.
The differance between 'hand drawing' or using the extraction tool, and an Alpha Channel is the differance between hard, and easy.
Look at my portfolio under Montages to see samples of my use of Alpha Channels.
Message edited by author 2005-12-14 12:36:47.
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