Mitigating ground-based sensor failures with video motion detection

Robert E. Macior; Jonathan P. Knauth; Sharon M. Walter; Richard Evans

doi:10.1117/12.799677

3 October 2008 Mitigating ground-based sensor failures with video motion detection

Robert E. Macior, Jonathan P. Knauth, Sharon M. Walter, Richard Evans

Proceedings Volume 7113, Electro-Optical and Infrared Systems: Technology and Applications V; 71130Q (2008) https://doi.org/10.1117/12.799677
Event: SPIE Security + Defence, 2008, Cardiff, Wales, United Kingdom

Abstract

Unattended Ground Sensor (UGS) systems typically employ distributed sensor nodes utilizing seismic, magnetic or passive IR sensing modalities to alarm if activity is present. The use of an imaging component to verify sensor events is beneficial to create actionable intelligence. Integration of the ground-based images with other ISR data requires that the images contain valid activity and are appropriately formatted, such as prescribed by Standard NATO Agreement (STANAG) 4545 or the National Imagery Transmission Format, version 2.1 (NITF 2.1). Ground activity sensors suffer from false alarms due to meteorological or biological activity. The addition of imaging allows the analyst to differentiate valid threats from nuisance alarms. Images are prescreened based on target size and temperature difference relative to the background. The combination of video motion detection based on thermal imaging with seismic, magnetic or passive IR sensing modalities improves data quality through multi-phenomenon combinatorial logic. The ground-based images having a nominally vertical aspect are transformed to the horizontal geospatial domain for exploitation and correlation of UGS imagery with other ISR data and for efficient archive and retrieval purposes. The description of an UGS system utilized and solutions that were developed and implemented during an experiment to correlate and fuse IR still imagery with ground moving target information, forming real-time, actionable, coalition intelligence, are presented.

Citation Download Citation

Robert E. Macior, Jonathan P. Knauth, Sharon M. Walter, and Richard Evans "Mitigating ground-based sensor failures with video motion detection", Proc. SPIE 7113, Electro-Optical and Infrared Systems: Technology and Applications V, 71130Q (3 October 2008); https://doi.org/10.1117/12.799677

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KEYWORDS

Sensors

Cameras

Unattended ground sensors

Thermography

Image fusion

Video

Imaging systems

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