![]() The programs require online users to read a distorted word or line of text and retype it in a designated box-something that few optical scanners or digital-text readers can do. In the battle between Web security designers and spammers, programs called Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA) have proven an effective foil. ![]() The effort might not put professional transcribers out of business, but it could cut the cost of creating digital libraries. A team of computer scientists has taken a common Internet tool for screening out spam and adapted it to help convert text from old books and manuscripts into electronic files. You could be helping to digitize a deteriorating historical document. ![]() ![]() The next time a Web site asks you to read a string of crooked letters as a security precaution, don't grimace. ![]()
0 Comments
Leave a Reply. |