Applying unpaper to a scanned pdf book

[Tim]

On Mon, 2007-08-06 at 14:04 +0100, Paul Smith wrote:
> I have a book that I have scanned and that it is in pdf format. When I
> scanned it, I was not aware of the existence of unpaper. Can I now use
> unpaper to improve the quality of the scanned pages, preserving the
> resolution, without having to scan the book again?

Information at the bottom of the page at <http://unpaper.berlios.de/>
would seem to suggest so.

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