Collection and evaluation of false alarm signatures in background data

Sanjeev Agarwal; Shivakar Vulli; Neil J. Malloy; Elizabeth Lord; Josh Fairley; Bruce Sabol; Wesley Johnson; Richard Ess; Anh Trang

doi:10.1117/12.819498

4 May 2009 Collection and evaluation of false alarm signatures in background data

Sanjeev Agarwal, Shivakar Vulli, Neil J. Malloy, Elizabeth Lord, Josh Fairley, Bruce Sabol, Wesley Johnson, Richard Ess, Anh Trang

Author Affiliations +

Proceedings Volume 7303, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XIV; 730318 (2009) https://doi.org/10.1117/12.819498
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

A significant amount of background airborne data was collected as part of May 2005 tests for airborne minefield detection at an arid site. The locations of false alarms which occurred consistently during different runs, were identified and geo-referenced by MultiSensor Science LLC. Ground truth information, which included pictures, type qualifiers and some hyperspectral data for these identified false alarm locations, was surveyed by ERDC-WES. This collection of background data, and subsequent survey of the false alarm locations, is unique in that it is likely the first such airborne data collection with ground truthed and documented false alarm locations. A library of signatures for different sources of these false alarms was extracted in the form of image chips and organized into a self-contained database by Missouri SandT. The library contains target chips from airborne mid wave infrared (MWIR) and multispectral imaging (MSI) sensors, representing data for different days, different times of day and different altitudes. Target chips for different surface mines were also added to the database. This database of the target signatures is expected to facilitate evaluation of spectral and shape characteristics of the false alarms, to achieve better false alarm mitigation and improve mine and minefield detection for airborne applications. The aim of this paper is to review and summarize the data collection procedure used, present the currently available database of target chips and make some recommendations regarding future data collections.

Citation Download Citation

Sanjeev Agarwal, Shivakar Vulli, Neil J. Malloy, Elizabeth Lord, Josh Fairley, Bruce Sabol, Wesley Johnson, Richard Ess, and Anh Trang "Collection and evaluation of false alarm signatures in background data", Proc. SPIE 7303, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XIV, 730318 (4 May 2009); https://doi.org/10.1117/12.819498

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KEYWORDS

Multispectral imaging

Mining

Databases

Mid-IR

Vegetation

Land mines

Sensors

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