thanks fpr answering, Jozef

I thought the image is stored in one bunch somewhere on a page and all I have 
to do is 
- extract the image
- to a better compression
- encode the image for PDF
- and just exchange is (same position and dimensions etc)

isn't it as easy so it can be done eg. by a perl script?


Am Freitag, 13. Mai 2011, 16:45:08 schrieb Jozef:
> Dne 13.5.2011 15:34, Reiner Miericke napsal(a):
> > Is there really nobody around who knows how to exchange images by smaller
> > ones (gray -->  blay/white) in PDF files without loosing the OCR-Text?
> 
> Well, this question is a difficult one. It depends on how the OCR
> software has done it but there is no easy straightforward way how to do
> it in pdfedit at this moment.
> If it is about removing, reducing, inserting back an image then the
> script language could help you but really not an easy way.
> 
> that would require deeper investigation which I doubt that somebody
> would sacrifice his free time on this marginal issue. Sorry.
> 
> jozef
> 
> >> I have some scanned books, containing black/white pages. Currently a
> >> page takes about 1MB of disk space.
> >> * Is there a way to reduce the amount to eg. 500 kB without loosing the
> >> (OCR-) text ?


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Reiner Miericke

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