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R_Colin_Johnson
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posted in March 1999

4 items
Researchers create artificial eye chip for robots
News & Analysis  
3/30/1999   Post a comment
Harnessing neural-network technology gleaned from the biology of the human eye, a Johns Hopkins University researcher has demonstrated a "smart eye" chip that combines image sensing with filtering and object-tracking capabilities. The brainchild of Ralph Etienne-Cummings, the circuit is based on a hybrid analog-digital CMOS technology and is touted as being much faster than distributed-component systems that use separate chips — such as an image sensor, microcontroller and non-volatile RAM
Neural nets create natural speech interaction
News & Analysis  
3/15/1999   Post a comment
SpeechWorks International is applying neural-network technology in a practical-speech-recognition system that achieves a new level of natural-speech interaction by letting telephone callers ask for information in ordinary, unstructured English. Federal Express Inc. is delploying the approach in a shipping-rate information system in cooperation with NextLink Interactive.
Molecular switching is probed for nanocomputers
News & Analysis  
3/15/1999   Post a comment
As chemists learn more about molecular behavior, the possibility of building nanocomputers-both CPUs and memory systems-is getting closer to reality. Both the complex proteins manufactured by virtually all living systems and long chain polymer molecules can act as bistable devices when their basic 3-D configurations change as a result of outside stimulation. Probing with tiny atomic-force microscope tips or simply using photons, researchers are getting a handle on molecular mechanisms that could
Neural net mines database for rules
News & Analysis  
3/8/1999   Post a comment
Engineers at SciFi Ltd. (Woburn Sand, England) have come up with a way to automate the process of extracting meaningful information from massive technical databases, automating a process that can be labor-intensive and time-consuming. RuleMiner finds fuzzy rules implicit within existing databases and codifies them for use by another program that interfaces with real-time control systems.


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