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September 22, 2005

Camera Phones will be High-Precision Scanners

New software, developed by NEC and the Nara Institute of Science and Technology (NAIST) in Japan, goes further than existing cell phone camera technology by allowing entire documents to be scanned simply by sweeping the phone across the page. Commuters in Japan already anger bookstore owners and newsagents by using existing cell phone software to try to take snapshots of newspaper and magazine articles to finish reading on the train to work. This is only possible because some phones now offer very rudimentary optical character recognition (OCR) software which allows small amounts of text to be captured and digitized from images. But with the new software entire documents can be captured. As a page is being scanned the OCR software takes dozens of still images of the page and effectively merges them together using the outline of the page as a reference guide. The software can also detect the curvature of the page and correct any distortion so caused, enabling even the areas near the binding to be scanned clearly. New Scientist 9/14/05 http://www.newscientist.com/article.ns?id=dn7998&feedId=online-news_rss20

Posted by P. Kaufman at September 22, 2005 7:52 AM