Eliminating low density pixel areas – CS2

R
Posted By
ronviers
Oct 17, 2006
Views
399
Replies
4
Status
Closed
Hi,
I am able to select, either with channel, or otherwise, masks or ‘color range’ or whatever, areas for extraction – like flowers or yarn balls or kittens etc. But each time I make a selection more or less of the rest of the image remains along with the object of interest. So my question is how do I get rid of the residual (largely transparent areas) pixels that remain after the selection? It seems like it should be pretty easy but I have tried everything I can think of. Btw, I know I can do the extraction with the pen tool and stroke but I would like to avoid that if possible. Although I really enjoy zoning out with the pen tool and looking up and six hours have passed that may not always the best time spent.

Thanks,
Ron
Related Tags
area density low pixel

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AM
Andrew Morton
Oct 17, 2006
wrote:
Hi,
I am able to select, either with channel, or otherwise, masks or ‘color range’ or whatever, areas for extraction – like flowers or yarn balls or kittens etc. But each time I make a selection more or less of the rest of the image remains along with the object of interest. So my question is how do I get rid of the residual (largely transparent areas) pixels that remain after the selection? It seems like it should be pretty easy but I have tried everything I can think of. Btw, I know I can do the extraction with the pen tool and stroke but I would like to avoid that if possible. Although I really enjoy zoning out with the pen tool and looking up and six hours have passed that may not always the best time spent.

You can subtract from a selection by holding the ctrl key while making a selection, so in combination with inverting the original selection you should be able to deselect the outlying residuals.

Andrew
R
ronviers
Oct 17, 2006
You can subtract from a selection by holding the ctrl key while making a selection, so in combination with inverting the original selection you should be able to deselect the outlying residuals.

Andrew

Hi Andrew,
If I understand what you are suggesting, and I probably do not, then the problem is that with yarn balls and kitten hair the detail is too fine. I have thought about it some more and what I would really like to have is a paintbrush tip, or even a filter for that matter, that would look for pixels missing neighboring pixels and if a pixel is missing a neighbor then delete that pixel. Do you know of something like that?

Thanks for the info,
Ron
MR
Mike Russell
Oct 17, 2006
wrote in message
….
[re creating a clean selection or mask]
the problem is that with yarn balls and kitten hair the detail is too fine. I have thought about it some more and what I would really like to have is a paintbrush tip, or even a filter for that matter, that would look for pixels missing neighboring pixels and if a pixel is missing a neighbor then delete that pixel. Do you know of something like that?

Try out Photoshop’s Extract filter – it’s worth spending an hour or so to learn:
http://www.myjanee.com/tuts/restore/restore.htm

GrowCut is another interesting, and free, filter that is similar to Extract, but a bit more interactive and fun.
http://research.graphicon.ru/image-processing/gml-growcut.ht ml

GrowCut will also work with Elements, as discussed in the thread below: http://www.curvemeister.com/forum/index.php?topic=48.0
—

Mike Russell
www.curvemeister.com/forum/
R
ronviers
Oct 17, 2006
Try out Photoshop’s Extract filter – it’s worth spending an hour or so to learn:
http://www.myjanee.com/tuts/restore/restore.htm

GrowCut is another interesting, and free, filter that is similar to Extract, but a bit more interactive and fun.
http://research.graphicon.ru/image-processing/gml-growcut.ht ml
GrowCut will also work with Elements, as discussed in the thread below: http://www.curvemeister.com/forum/index.php?topic=48.0
—

Mike Russell
www.curvemeister.com/forum/

Hi Mike,
Thanks as always.
Ron

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