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Article: Teaching machines to recognize objects. (John Hopkins Univ researcher Elli Angelopoulou develops new object recognition technique for robots)(Brief Article)
- Article from:
- USA TODAY
- Article date:
- June 1, 1997
CopyrightCOPYRIGHT 1997 Society for the Advancement of Education. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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A packaging robot, working in a candy factory in the near future, aims its electronic eye at a tray crammed with chocolates. The robot must fill a box with a specific mix of candy, but how can it tell a cream-filled morsel from a chocolate-covered peanut cluster? A new object recognition technique developed at Johns Hopkins University, Baltimore, Md., might help this robot hold onto its job. Using three lights, a video camera, and a computer. researcher Elli Angelopoulou has devised a new way to transform visual images into electronic "signatures." Each is a distinctive series of 11 numbers. By comparing these signatures, a computer can tell how closely two objects ...