Space Surveillance Signal Processor (S3P) For Background Suppression And Target Detection With A Staring Mosaic Sensor

Robert G. Otto; David D. Kemp; Manfred Hilsenrath; B.Solomon Golosman

doi:10.1117/12.959223

24 December 1980 Space Surveillance Signal Processor (S3P) For Background Suppression And Target Detection With A Staring Mosaic Sensor

Robert G. Otto, David D. Kemp, Manfred Hilsenrath, B.Solomon Golosman

Author Affiliations +

Proceedings Volume 0241, Real-Time Signal Processing III; (1980) https://doi.org/10.1117/12.959223
Event: 24th Annual Technical Symposium, 1980, San Diego, United States

Abstract

This paper presents a description and some preliminary results of a modular, flexible signal processor bread-board which is used to evaluate the practical performance of spatial and temporal algorithms to reduce background clutter for onboard surveillance applications where data compression is mandatory. At present, the breadboard treats the target detection process by implementing several temporal and spatial filters which operate on both real sensor data and pseudoscenes. The S3P processes frames of mosaic sensor data with 32x32, 64x64, and 128x128 pixels at frame rates up to 100 fps. The operations performed in S 3P with hardware and an Intel 8086 micropro-cessor include (1) preprocessing; (2) frame registration and interpolation; (3) classical first-, second-, and third-order differencing; (4) nonrecursive temporal filter with updated optimal statistical coefficients; (5) band-pass recursive temporal filters; and (6) 3x3 spatial filter using an optimal set of coefficients chosen to minimize the mean-square noise. The breadboard achieves its flexibility through modularity and a bus /pipeline architecture and, hence, serves as a testbed for new algorithms. Preliminary results for the nonrecursive temporal filter will be presented for selected input scenes. It is seen that accuracy and arithmetic format are important in achieving good performance.

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Robert G. Otto, David D. Kemp, Manfred Hilsenrath, and B.Solomon Golosman "Space Surveillance Signal Processor (S3P) For Background Suppression And Target Detection With A Staring Mosaic Sensor", Proc. SPIE 0241, Real-Time Signal Processing III, (24 December 1980); https://doi.org/10.1117/12.959223

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KEYWORDS

Signal processing

Filtering (signal processing)

Digital filtering

Sensors

Target detection

Signal detection

Detection and tracking algorithms

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