Select 1 pixel objects in B/W mode?

L
Posted By
liu
Aug 16, 2009
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332
Replies
2
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Closed
How can I select all the 1-pixel objects i a B/W image? Basically I’m trying to delete these scanning artifacts for text document.

Thanks for any suggestions,
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AM
Andrew Morton
Aug 16, 2009
"liu" wrote> How can I select all the 1-pixel objects i a B/W image? Basically I’m
trying to delete these scanning artifacts for text document.

On your Photoshop install CD, there should be a folder named "Goodies" or similar. Within there, there will be a plug-in called "Filter Factory". With that, you can set the value of all "lonely" pixels to white/whatever you need (by checking the values of all adjacent pixels).

Caveats:

1) You might need to set the image to RGB mode to run a filter.
2) I don’t know how it will behave at the edges.

Hopefully that gives you a pointer to your desired result.

Andrew
L
liu
Aug 18, 2009
Thank you for the suggestion. I’m not sure if this would work. If I can select the lonely pixels, I would just delete them wihtout using a filter to change them to white. I’m trying to select these lonely pixels.

Did I miss anything?

Thanks,

Master Retouching Hair

Learn how to rescue details, remove flyaways, add volume, and enhance the definition of hair in any photo. We break down every tool and technique in Photoshop to get picture-perfect hair, every time.

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