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R_Colin_Johnson
Member Since: June 18, 2009
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posted in June 1999

3 items
Algorithm hides data inside unaltered images
News & Analysis  
6/22/1999   Post a comment
Information can be hidden inside images without altering their appearance, according to University of Maine professor Rick Eason. In a patented algorithm he developed with Eiji Kawaguchi, a professor at the Kyushu Institute of Technology, Eason shows how to embed secret data messages within the "extra" bits of a normal bit-mapped image, which can be decoded with special software.
Data fusion is new darling in smart-technology circles
News & Analysis  
6/11/1999   Post a comment
Researchers from more than 20 countries will gather in Sunnyvale, Calif., next month to tell how the emerging technology of data fusion is fanning out into fields as diverse as predicting traffic jams and earthquakes, and building robots with hand-eye coordination. Some partisans see information fusion one day supplanting artificial intelligence and fuzzy logic in the breadth of real-world problems it addresses, but others caution that the technology — which had its origins in military tar
Virtual wires create dense optical switch
News & Analysis  
6/8/1999   Post a comment
Using the nonlinear optical properties of indium-phosphide crystals, researchers at the University of Arkansas have discovered a new wrinkle on optical switching. In a paper delivered at the recent Conference on Lasers and Electro-Optics meeting in Baltimore, Scot Hawkins and Greg Salamo detailed experiments showing that applied electric fields can channel light inside the crystal to create virtual optical fibers.


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