Perhaps you can do it by selecting the option "Select by Color" and
manipulating  the threshold - perhaps increasing it.

Best regards


> Date: Mon, 28 Mar 2005 14:53:08 -0500 (EST)
> From: Sebastien Cabot <[EMAIL PROTECTED]>
> To: gimp-user@lists.xcf.berkeley.edu
> Subject: Re: [Gimp-user] How to select isolated pixels ?

> > Sebastien Cabot <[EMAIL PROTECTED]> writes:
> > > I have a black & white image of a texte document, I would like to
> > > eliminated the isolated pixel (small group of 1 to 5 pixels in the
> > > white area of the page) to keep only the black text.
> --- Sven Neumann <[EMAIL PROTECTED]> wrote:
> > Despeckle should be able to do that, give it a try.
> Thanks, I didn't knew about despeckle. Unfortunatly this plug-in in addition 
> to
> remove the isolated pixels also remove some pixels of the non isolated one
> (letter contour). This is exactly what I'm trying to avoid. I must remember I
> have a monocrome image (2-bit) which greatly reduce plug-in option like
> despeckle.
> Utitimatly what I need, is after a selection of all the black pixels, find a
> way to remove from it all area made of more than 5 contiguous pixels. The
> remaning areas of 5 or less pixels will be the small dots I want to remove.
> Anyone have a suggestion how I can modify my black pixels selection in such a
> way ?
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