Title :
AFIT neural network research
Author :
Rogers, Steven K. ; Ruck, Dennis W. ; Kabrisky, Matthew ; Tarr, Gregory L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Air Force Inst. of Technol., Wright-Patterson AFB, OH, USA
Abstract :
A brief summary of research done at the Air Force Institute of Technology (AFIT) in the area of neural networks is provided. It has been shown that backpropagation, used for feedforward artificial neural networks, is just a degenerate version of an extended Kalman filter, and that networks can do about as well as the optimum statistical classification technique. A method of finding the importance of features for use by a neural network classifier has been determined. Techniques for using neural networks for image segmentation have been developed. In optical pattern recognition, techniques that allow the processing of real FLIR (forward-looking infrared) images with existing binary spatial light modulators have been devised. An optical direction of arrival detector applicable to laser illumination direction determination has been designed and tested; the design is similar to a fly´s eye. Coated mirrors for the optical confocal Fabry-Perot interferometer have been designed, specified, fabricated, and installed. Significant progress has been made in the use of neural networks for processing multiple-feature sets for speech recognition.<>
Keywords :
Kalman filters; computerised pattern recognition; computerised picture processing; neural nets; optical modulation; speech recognition; statistical analysis; Air Force Institute of Technology; FLIR; backpropagation; binary spatial light modulators; coated mirror; extended Kalman filter; feedforward artificial neural networks; fly´s eye; forward-looking infrared; image segmentation; multiple-feature sets; optical confocal Fabry-Perot interferometer; optical modulation; optical pattern recognition; optimum statistical classification; speech recognition; Artificial neural networks; Backpropagation; Image segmentation; Neural networks; Optical computing; Optical design; Optical filters; Optical interferometry; Optical modulation; Pattern recognition;
Journal_Title :
Aerospace and Electronic Systems Magazine, IEEE