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Captcha at Work: Re - Captcha Interpreting Scanned Documents

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Old July 3rd, 2009, 12:27 PM   Digg it!   #1 (permalink)
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Captcha at Work: Re - Captcha Interpreting Scanned Documents

What is reCAPTCHA?

Many old documents are being scanned into the public domain, and due to hand set type, stains, mold, blood , and other "issues", the scanners can't come out the accurate text conversions.

So when you enter "captcha" you see a second word ("re captcha"). What you actually could be doing is correcting a scan of a 1000 year old document!

The theory is that if you can do the "captcha" accurately, you will do the "re-captcha" accurately, also. When the collection of results leans far enough to one word, it is considered to be correct and in inserted into the document.

Very clever...
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Old July 3rd, 2009, 01:18 PM     #2 (permalink)
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I saw that guy interviewed on the PBS science show. They are just burning though stuff getting it digitized now.
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Old July 3rd, 2009, 01:41 PM     #3 (permalink)
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I think that is what I saw the made me want to dig it up to share.

Was he some super bright guy now a professor?
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Old July 3rd, 2009, 02:26 PM     #4 (permalink)
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Yes, and still a kid (like 24 or something)
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Old July 3rd, 2009, 06:18 PM     #5 (permalink)
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30, actually. Math nerds age well

His name is Luis von Ahn.

Nova Science Now was the show, here's the segment.
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Old July 3rd, 2009, 07:13 PM     #6 (permalink)
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Quote:
Originally Posted by tony_j15 View Post
30, actually. Math nerds age well

It's amazing how nice the skin stays without any exposure to sunlight!
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