Single- and three-axis geophone: footstep detection with bearing estimation, localization, and tracking

Pakhomov, Alex; Sicignano, Albert; Sandy, Matthew; Goldburt, E. T.

doi:10.1117/12.487755

Cited by 31 publications

(12 citation statements)

References 2 publications

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“…Other research groups have tried to use single and three axis geophones for detecting footsteps [6] and their results indicate that location estimation errors are higher for 3 axis geophones compared to a constellation of the seismic sensors. Other groups have attempted to detect the type of walking through fuzzy decision trees and statistical properties of the seismic signal.…”

Section: Introductionmentioning

confidence: 97%

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Robust discrimination of human footsteps using seismic signals

Faghfouri

Frish

2011

SPIE Proceedings

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This paper provides a statistical analysis method for detecting and discriminating different seismic activity sources such as humans, animals, and vehicles using their seismic signals. A five-step process is employed for this purpose: (1) a set of signals with known seismic activities are utilized to verify the algorithms; (2) for each data file, the vibration signal is segmented by a sliding-window and its noise is reduced; (3) a set of features is extracted from each window of the signal which captures its statistical and spectral properties. This set is formed as an array and is called a feature array; (4) a portion of the labeled feature arrays are utilized to train a classifier for discriminating different types of signals; and (5) the rest of the labeled feature arrays are employed to test the performance of the developed classifier. The results indicate that the classifier achieves probability of detection (p d ) above 95% and false alarm rate (p fa ) less than 1%.

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Section: Introductionmentioning

confidence: 97%

“…Application of vibration signals for intelligence, surveillance, target acquisition, and reconnaissance (ISTAR) is not new [1,3,4,5,6,7]. Many approaches have been considered to detect human intruders.…”

Section: Introductionmentioning

confidence: 99%

Robust discrimination of human footsteps using seismic signals

Faghfouri

Frish

2011

SPIE Proceedings

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“…The use of separate geophones for footstep detection and other military application is well known [1][2][3][4]. However, it is clear that the detection range of a separate geophone is relatively low.…”

Section: Introductionmentioning

confidence: 98%

New sensitive seismic cable with imbedded geophones

2005

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Seismic detection systems for homeland security applications are an important additional layer to perimeter and border protection and other security systems. General Sensing Systems has been developing low mass, low cost, highly sensitive geophones. These geophones are being incorporated within a seismic cable. This article reports on the concept of a seismic sensitive cable and seismic sensitive ribbon design. Unlike existing seismic cables with sensitivity distributed along their lengths, the GSS new cable and ribbon possesses high sensitivity distributed in several points along the cable/ribbon with spacing of about 8-12 to 100 meters between geophones. This cable/ribbon is highly suitable for design and installation in extended perimeter protection systems. It allows the use of a mechanical cable layer for high speed installation. We show that any installation mistakes in using the GSS seismic sensitive cable/ribbon have low impact on output seismic signal value and detection range of security systems.

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“…GSS has designed and developed a seismic system modification for perimeter and border protection [1][2][3][4]. This system has the broadest application area.…”

Section: Introductionmentioning

confidence: 99%

New seismic unattended small size module for footstep detection

Pakhomov

Goldburt

2006

SPIE Proceedings

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General Sensing Systems (GSS) has achieved outstanding and verifiable results in the design and performance of seismic systems with near zero false alarm rates for the detection of walking, running, and jumping persons. These results have been reported in various homeland security and military applications. GSS has been developing a new seismic, unattended small size module for footstep detection. This paper describes our design for the module, which includes the two-board and one-board versions-fitting into various consumer applications. Communication interface versions, which are used in the detection module, allow the communication with any wireless surveillance network. We also report on the preliminary lab and field-testing that was implemented in various conditions. We show that the new unattended, small size detection module demonstrates the same reliable performance as our previous full size systems.

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Single- and three-axis geophone: footstep detection with bearing estimation, localization, and tracking

Cited by 31 publications

References 2 publications

Robust discrimination of human footsteps using seismic signals

Robust discrimination of human footsteps using seismic signals

New sensitive seismic cable with imbedded geophones

New seismic unattended small size module for footstep detection

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