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25 April 1980 Hybrid Optical/Digital Image Processor For Exoatmospheric Moving Obiect Detection
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Proceedings Volume 0218, Devices and Systems for Optical Signal Processing; (1980) https://doi.org/10.1117/12.958516
Event: 1980 Los Angeles Technical Symposium, 1980, Los Angeles, United States
Abstract
Coherent optical processing can be effectively used to detect moving objects against a background of fixed objects and noise. If done digitally, the task can require a large amount of processing power. The optical approach is to do pattern recognition in the frequency plane of the time-integrated sky image. A spatial filter, matched to the spectral energy distribution of the moving objects, rotates in the frequency plane. Earlier experiments established the validity of the approach'. The processor has since been refined, simplified and implemented in an optical/digital configuration. A small digital computer (PDP 11/03) provides simulated input data, controls the operation of the optical processor, and displays the results.
© (1980) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
R. E. Brooks and R. F. Kemp "Hybrid Optical/Digital Image Processor For Exoatmospheric Moving Obiect Detection", Proc. SPIE 0218, Devices and Systems for Optical Signal Processing, (25 April 1980); https://doi.org/10.1117/12.958516
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