Best Alignment and Deskewing for Mac OSX 10.6?

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Best Alignment and Deskewing for Mac OSX 10.6?

Postby univurshul » 09 May 2010, 18:55

Anyone know a great batch processing software product that deskews and aligns images w/text for the Mac?

I'm new to Readiris 12 Corporate OSX, and it appears it does straighten text uniformly within the Readiris app, but once the PDF is generated, it appears unsightly in other apps that read PDFs.

Thanks.
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Re: Best Alignment and Deskewing for Mac OSX 10.6?

Postby univurshul » 10 May 2010, 18:48

...UPDATE: For Mac users, I'm saying that ABBYY Finereader for Mac (8.03) is not worth even downloading the trial. They don't have a deskewing feature at all, it takes forever to process 50 pages, etc.

This leaves us with a few dedicated pro-level OCR/Scanning software apps for the OS X platform: Readiris, Omnipage Pro X, and Adobe's Acrobat. (My last attempt with Omni was brief because of instability.) It seems that all the OCR products are all focused on being primo for PCs and lagging for Macs.

However, some relatively good news for Mac only users: Readiris 12 Pro/Corporate for OS X is in fact straightening my images; my theory is that it's probably an essential step to crop the raw images BEFORE processing in Readiris. (The alignment software is likely getting confused as to where the page starts and ends.) It appears that it bases its alignment feature from the vertical text-lines to the image border, but I've seen images get partially straightened from what looks like 2+ pages appearing in a captured image. If I was a readiris bot, I'd be confused too... :?
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Re: Best Alignment and Deskewing for Mac OSX 10.6?

Postby Tim » 11 May 2010, 12:46

Scantailor is the software that most people on this forum are using. It does compile on Mac OS X 10.6
Instructions are here if you scroll down: http://sourceforge.net/apps/mediawiki/s ... e_on_Linux

While scantailor does a good job of batch processing, deskewing and cropping images, if you ask Tulon, it's developr, it technically does remove some of the information from an image that an OCR program uses to do it's magic. Try using different options such as selecting color output if you have color images etc, to see what works best for your OCR program. And yes unfortunately OCR on Mac is somewhat of a no man's land.
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Re: Best Alignment and Deskewing for Mac OSX 10.6?

Postby univurshul » 11 May 2010, 12:56

Thanks, I'll check out ScanTailor. Much appreciated.
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