Monday, December 19, 2011

CAPTCHAs Being Used to Help Digitize Books with Poor OCR Accuracy

Bonnie Shucha explains at WisBlawg.
"CAPTCHAs are those distorted letters that you have to enter after some internet transactions to verify that you're actually a human.

"I recently learned that some CAPTCHAs are being used to help digitize old printed material by asking users to decipher scanned words from books that computerized optical character recognition failed to recognize. ..."

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