ADR algorithm question

Discussions about Automatic Document Recognition in GdPicture.NET.
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stammd
Posts: 8
Joined: Sun Oct 16, 2016 4:35 pm

ADR algorithm question

Post by stammd » Sat Apr 22, 2017 7:29 pm

Can you give me a rough idea about how the ADR algorithm works so I can present better images to it for recognition? I'm trying to recognize US tax return forms and I get quite a number of false matches. I've added up to 8 images into a template with still no luck. The documents I'm trying to match are scanned and have some horizontal and vertical offset, skew, and even some compression. Do I need to address the skew and offset prior to calling ADR? What about compression? I'm not clear what is "important" to ADR in ensuring the best chance of getting a match.

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