&lt;title&gt;Uncooled infrared sensors for an integrated sniper location system&lt;/title&gt;

Spera, Timothy J.; Figler, Burton D.

doi:10.1117/12.266755

Cited by 12 publications

(7 citation statements)

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“…The DARPA initiative leads to the introduction of a variety of new technological approaches to sniper detection and localization, including: sniper localization based on infrared emissions from the gun muzzle flashes, in the Fast InfraRed Sniper Tracker developed by Thermo Trex Corporation; the integration of acoustic and uncooled infrared sensing technologies in the Integrated Sniper Location System developed by Sen Tech, Inc. and Lockheed Martin [9,10]; but also introduced significant improvements to the acoustic sensing technologies, including: the Sentinel developed by Science Applications International Corporation, which used 16 acoustic sensors and high resolution digitization of analog signals to perform ballistic shockwave analysis and robust determinations of azimuth, range, bullet trajectory, weapon caliber, and muzzle velocity [11]; the Bullet Ears counter sniper system [12] introduced by BBN Technologies of Massachusetts whose algorithm is regarded as the state of the art in sniper detection and is the most used by USA Army; and the previously mentioned SECURES/TAGIT-CS system developed by Alliant Techsystems InclPlanning Systems Inc [13] .…”

Section: A the Origins: Rising A/sniper Detection Technologymentioning

confidence: 99%

Gunshot location systems the transfer of the sniper detection technology from military to civilian applications

Aguilar¹

2013

2013 47th International Carnahan Conference on Security Technology (ICCST)

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Since its first appearance by mid-nineties, gunshot location systems have become a valuable tool for acoustics surveillance against the illegal use of firearms in high crime urban areas. Sometimes criticized, the use of this technology is however spreading to more countries due its capability to provide not only gunshot related real time information, but also situational awareness and criminalistics evidence. This paper reviews the development of gunshot location technology, starting from its origin as a military solution for counter sniper operations, up to current days of intelligence led policing and of marketing strategies based on service demand. Acoustical emissions from gunfire events and its influence in shooter localization performance are analyzed. Fundamentals of gunshot origin estimation from muzzle blast wave analysis, and of trajectory estimation of supersonic projectiles from ballistic shock wave analysis, are overviewed. Gunshot location systems are furthermore described in terms of acoustical sensors architectures and its impact in the gunshot location result. Pros and cons of different approaches to data transmission, from wired to wireless, are discussed. Finally, the current status of research, development and implementation of this technology in the Latin America region are presented.

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Section: A the Origins: Rising A/sniper Detection Technologymentioning

confidence: 99%

Gunshot location systems the transfer of the sniper detection technology from military to civilian applications

Aguilar¹

2013

2013 47th International Carnahan Conference on Security Technology (ICCST)

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“…However, long-wave infrared (LWIR)-based systems operating in the wavelength band between 8 and 10 μm can also detect such signatures. The object of detecting signatures of the bullet in flight is to estimate the bullet's trajectory and backtrack to find the location of the sniper [1]. *mkastek@wat.edu.pl; phone +48 22 6839383; fax +48 22 6668950; www.wat.edu.pl…”

Section: Introductionmentioning

confidence: 99%

Spectral measurements of muzzle flash with multispectral and hyperspectral sensor

et al. 2011

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The paper presents some practical aspects of the measurements of muzzle flash signatures. Selected signatures of sniper shot in typical scenarios has been presented. Signatures registered during all phases of muzzle flash were analyzed. High precision laboratory measurements were made in a special ballistic laboratory and as a result several flash patterns were registered. The field measurements of a muzzle flash were also performed. During the tests several infrared cameras were used, including the measurement class devices with high accuracy and frame rates. The registrations were made in NWIR, SWIR and LWIR spectral bands simultaneously. An ultra fast visual camera was also used for visible spectra registration. Some typical infrared shot signatures were presented. Beside the cameras, the LWIR imaging spectroradiometer HyperCam was also used during the laboratory experiments and the field tests. The signatures collected by the HyperCam device were useful for the determination of spectral characteristics of the muzzle flash, whereas the analysis of thermal images registered during the tests provided the data on temperature distribution in the flash area. As a result of the measurement session the signatures of several types handguns, machine guns and sniper rifles were obtained which will be used in the development of passive infrared systems for sniper detection.

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“…However, long-wave infrared (LWIR) band (8 -12 m) can also detect such signatures. The object of detecting signatures of the bullet in flight is to estimate the bullet's trajectory and backtrack it to find the location of the sniper [1]. Thermal signatures of sniper body are mainly caused by internally generated heat.…”

Section: Introductionmentioning

confidence: 99%

Concept of infrared sensor module for sniper detection system

Kastek

Dulski

Trzaskawka

et al. 2010

35th International Conference on Infrared, Millimeter, and Terahertz Waves

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The paper discusses technical possibilities to build an effective system for sniper detection using infrared cameras. Description of phenomena which make it possible to detect sniper activities in infrared spectra as well as analysis of physical limitations were performed. Three phases of sniper activities were taken into consideration: before, during and after the shot. The simulation of detection ranges was done for the assumed scenario of sniper detection task.

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<title>Uncooled infrared sensors for an integrated sniper location system</title>

Cited by 12 publications

References 0 publications

Gunshot location systems the transfer of the sniper detection technology from military to civilian applications

Gunshot location systems the transfer of the sniper detection technology from military to civilian applications

Spectral measurements of muzzle flash with multispectral and hyperspectral sensor

Concept of infrared sensor module for sniper detection system

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