Novel approach for low-cost muzzle flash detection system

Asher Voskoboinik

doi:10.1117/12.785228

16 April 2008 Novel approach for low-cost muzzle flash detection system

Asher Voskoboinik

Proceedings Volume 6940, Infrared Technology and Applications XXXIV; 69401N (2008) https://doi.org/10.1117/12.785228
Event: SPIE Defense and Security Symposium, 2008, Orlando, Florida, United States

Abstract

A low-cost muzzle flash detection based on CMOS sensor technology is proposed. This low-cost technology makes it possible to detect various transient events with characteristic times between dozens of microseconds up to dozens of milliseconds while sophisticated algorithms successfully separate them from false alarms by utilizing differences in geometrical characteristics and/or temporal signatures. The proposed system consists of off-the-shelf smart CMOS cameras with built-in signal and image processing capabilities for pre-processing together with allocated memory for storing a buffer of images for further post-processing. Such a sensor does not require sending giant amounts of raw data to a real-time processing unit but provides all calculations in-situ where processing results are the output of the sensor. This patented CMOS muzzle flash detection concept exhibits high-performance detection capability with very low false-alarm rates. It was found that most false-alarms due to sun glints are from sources at distances of 500-700 meters from the sensor and can be distinguished by time examination techniques from muzzle flash signals. This will enable to eliminate up to 80% of falsealarms due to sun specular reflections in the battle field. Additional effort to distinguish sun glints from suspected muzzle flash signal is made by optimization of the spectral band in Near-IR region. The proposed system can be used for muzzle detection of small arms, missiles and rockets and other military applications.

Citation Download Citation

Asher Voskoboinik "Novel approach for low-cost muzzle flash detection system", Proc. SPIE 6940, Infrared Technology and Applications XXXIV, 69401N (16 April 2008); https://doi.org/10.1117/12.785228

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