[sane-devel] is there a virtual scanner for image files?

Alessandro Zummo azummo-lists at towertech.it
Sat Dec 29 00:01:09 UTC 2007

On Fri, 28 Dec 2007 20:14:31 +0100
Peter Rap

> The application is Adobe Acrobat Pro (any volunteers for modifying  
> it ? ;) ). The thing is Acrobat can process scanned books or brochures  

 oops :)

> in a nice way (i.e automatically remove the middle shadow between the  
> pages, auto-align rotated pages, do OCR and add text version of the  
> scanned document to the .pdf file it creates, etc. ). My plan was to  
> feed the image files to sane, then use a sane-to-twain bridge (which  

 I didn't know!

> Yes, I am aware of the pnm back-end, but from the man page of sane and  
> sane-pnm I learned close to nothing (not even how to use that back- 
> end). Does the convert utility convert multi-page zipped tiffs to pnm  
> file(s)? If not, which program can I use instead?

 you should use tiffsplit to split the files and then tifftopnm .

 the backend should be easy to use, try with

 scanimage --device 'pnm:0' --help

 the backend is not compiled by default, youll have
 to enable it in the makefile.


 Best regards,

 Alessandro Zummo,
  Tower Technologies - Torino, Italy


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