Paper
11 August 1987 Real-Time Probabilistic Optical Expert System
Alastair D. McAulay
Author Affiliations +
Proceedings Volume 0752, Digital Optical Computing; (1987) https://doi.org/10.1117/12.939911
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States
Abstract
Optics has advantages for overcoming limitations arising when applying existing electronic technologies to real-time parallel computation. In particular, spatial light modulators (SLMs) permit simultaneous storage, multiplication, and/or complex interconnection. A simple diagnostic expert system uses Bayes theorem to recursively update the probabilities of various hypotheses given additional sensor input information. The 'a priori' probability matrices are stored in SLMs which provide matrix-vector multiplication and interconnection. High speed permits the optimum determination of which sensor should be polled next.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Alastair D. McAulay "Real-Time Probabilistic Optical Expert System", Proc. SPIE 0752, Digital Optical Computing, (11 August 1987); https://doi.org/10.1117/12.939911
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KEYWORDS
Sensors

Spatial light modulators

Diagnostics

Switches

Optical computing

Signal processing

Control systems

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