Dynamic 3-D chemical agent cloud mapping using a sensor constellation deployed on mobile platforms

Bogdan R. Cosofret; Daisei Konno; David Rossi; William J. Marinelli; Pete Seem

doi:10.1117/12.2053755

21 May 2014 Dynamic 3-D chemical agent cloud mapping using a sensor constellation deployed on mobile platforms

Bogdan R. Cosofret, Daisei Konno, David Rossi, William J. Marinelli, Pete Seem

Proceedings Volume 9101, Next-Generation Spectroscopic Technologies VII; 91010Y (2014) https://doi.org/10.1117/12.2053755
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

The need for standoff detection technology to provide early Chem-Bio (CB) threat warning is well documented. Much of the information obtained by a single passive sensor is limited to bearing and angular extent of the threat cloud. In order to obtain absolute geo-location, range to threat, 3-D extent and detailed composition of the chemical threat, fusion of information from multiple passive sensors is needed. A capability that provides on-the-move chemical cloud characterization is key to the development of real-time Battlespace Awareness. We have developed, implemented and tested algorithms and hardware to perform the fusion of information obtained from two mobile LWIR passive hyperspectral sensors. The implementation of the capability is driven by current Nuclear, Biological and Chemical Reconnaissance Vehicle operational tactics and represents a mission focused alternative of the already demonstrated 5-sensor static Range Test Validation System (RTVS).1 The new capability consists of hardware for sensor pointing and attitude information which is made available for streaming and aggregation as part of the data fusion process for threat characterization. Cloud information is generated using 2-sensor data ingested into a suite of triangulation and tomographic reconstruction algorithms. The approaches are amenable to using a limited number of viewing projections and unfavorable sensor geometries resulting from mobile operation. In this paper we describe the system architecture and present an analysis of results obtained during the initial testing of the system at Dugway Proving Ground during BioWeek 2013.

Citation Download Citation

Bogdan R. Cosofret, Daisei Konno, David Rossi, William J. Marinelli, and Pete Seem "Dynamic 3-D chemical agent cloud mapping using a sensor constellation deployed on mobile platforms", Proc. SPIE 9101, Next-Generation Spectroscopic Technologies VII, 91010Y (21 May 2014); https://doi.org/10.1117/12.2053755

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KEYWORDS

Sensors

Clouds

Reconstruction algorithms

Tomography

LIDAR

Algorithm development

Detection and tracking algorithms

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