non searchable PDF convert to TIFF ocr back to searchable PDF

non-searchable PDF, convert to TIFF, ocr back to searchable PDF

I have a non-searchable (because there's no encoding provided) PDF
file from which I'd like to extract its text.  Can I do the following

convert the non-searchable PDF file to a TIFF file
use OCR to convert the TIFF file to a searchable PDF

?

If so, how effective is this method and what program(s) would you
recommend for each step?   There seem to be many that will convert
from PDF to TIFF.  I would think that Adobe Acrobat would be able to
do this easily.

Thanks,

Ted

Re: non-searchable PDF, convert to TIFF, ocr back to searchable PDF

On Wed, 03 Feb 2010 10:33:47 -0800, teds@intex.com ci disse:

> convert the non-searchable PDF file to a TIFF file use OCR to convert
> the TIFF file to a searchable PDF
[...]
truely speaking, you can do directly an ocrzation with 

*Abbyy Finereader 8*
- http://www.abbyy.com/

if you want use only freeware software, you can use 

*ghostscript*
- http://mirror.cs.wisc.edu/pub/mirrors/ghost/GPL/current/

with its graphical frontend

*Gsview*
- http://pages.cs.wisc.edu/~ghost/gsview/index.htm
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Re: non-searchable PDF, convert to TIFF, ocr back to searchable PDF

teds@intex.com wrote:

> I would think that Adobe Acrobat would be able to do this easily.

Yes.