You might want to look at ABBYY Fine Reader 9.0 Professional, which can be 
driven from the command line.  Fine Reader  is used at the Library of 
Congress.  Here is a info link to get you started (search "command"):

http://www.scanstore.com/Scanning/Document_Imaging/Software/OCR_Software/Nuance/omnipage_review.asp

Regards,
Terry 

------------------------------------ 
Terry Harrison 
Project Manager 
CACI 
5505 Robin Hood Road, Suite F 
Norfolk, Va. 23508 
Ph: 757.321.9120 x232 
Fax: 757.321.8797 
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