:)Thankyou! Nice find. :Thmbsup:
Nice work indeed.
I have seen a new method of scan more powerful for documents or books of your own.
Scanner (http://www.diybookscanner.org/)-Contro (October 15, 2012, 07:42 AM)
Can you provide the original ttf? I would like to test it with other OCR. Thank you.The .tiff file I copied the date column from is a copy of a client document, and I am not at liberty to publish it. Here is another .tif (not .tiff, but is the same thing, I think) in a .ZIP file. It is a scanned copy of a published hardcopy document about a now defunct corporation.-oversky (October 15, 2012, 10:15 PM)
I just checked and you can apparently still get the FREE ABBY Screenshot Reader "RETAIL" (2011 Christmas giveaway) software - download from http://fr7.abbyy.com/ScreenshotReader/ScreenshotReader_ESD.exe
The "newer" version I have (dated 2009-11-20) seems to work just the same as the giveaway version (apparently dated 2009-01), so I don't know what the difference is - if any.-IainB (October 13, 2012, 09:46 PM)
You'd need a lot more samples to construct a corpus valid for comparing OCR products :)Yes, definitely a comprehensive and rigorous comparison test would be useful, but I ran a quick comparison of some of the tools, and the OCR scan was just of numeric data and full stops. I suspect that if alphabetic characters had been involved in the OCR scan, then there could have been some more interesting variability in the results.
...
I would expect Google to have some really wicked stuff internally these days, not the least because of reCAPTCHA, but I do wonder how much of that power they open to the wider public.-f0dder (October 18, 2012, 06:25 PM)
PDF-XChange Viewer now gets a 5 x :Thmbsup: from me (was 4½).
No issues re OCR, now - it all seems to work just fine. I see that it currently caters for English, French, German, Spanish, but I have only used the English OCR functionality so far.-IainB (June 20, 2013, 12:56 AM)
I agree that PDF-XChange Viewer is excellent. I used the free version for years, and recently have upgraded to PRO.
Regarding OCR, it is generally fine for most purposes. Where it begins to have problems is with poorly scanned texts. For those situations I use ABBYY FineReader, and there can be a big difference: where PDF-XChange Viewer might have a 60-70% success rate in recognising text (which is basically unusable, as you can't understand a sentence where a third of the words are unintelligible), FineReader produces a 99.99% correct OCR. But these are marginal cases I'm talking about (book pages scanned at a low resolution).-dr_andus (July 22, 2013, 07:09 AM)
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f:\Ace5\ACE5NEW8\IMAGE\user_Super/i sor jpg not fou nd-ABBYY Screenshot Reader about anandcoral's picture
I don't know for sure, but I would expect that the OCR engine would probably be a common core process throughout the ABBYY range of software that involves image OCR scanning.
What my post above shows is that the post-processing of the scanned image that is fed into the OCR engine can make quite a bit of difference to the quality/accuracy of the OCR scan outputs.
ABBY Screenshot Reader clearly does some pretty smart stuff - e.g., it will scan for and output columnar information if you tell it that is what you want.-IainB (May 28, 2015, 12:48 AM)
Of what purpose/use that is, I have no idea. :tellme:Maybe to avoid it being used for captcha recognition?-IainB (May 31, 2015, 03:19 AM)