Short-Term Entropy of Signal Energy Used for Effective Detecting of Weak Gunshots in Noisy Environments DOI Creative Commons
Milan Sigmund

Sensors, Journal Year: 2024, Volume and Issue: 24(15), P. 4933 - 4933

Published: July 30, 2024

Conventional gunshot detection systems can quickly and reliably detect gunshots in the area where acoustic sensors are placed. This paper presents of weak hunting using short-term entropy signal energy computed from signals an open natural environment. Our research this field was primarily aimed at detecting fired close range with usual intensity to protect wild elephants poachers. The extend existing more distant gunshots. developed algorithm optimized for two categories surrounding sounds, short impulsive events continuous noise, tested scenes power ratios between louder surroundings 0 dB -14 dB. overall accuracy evaluated terms recall precision. Depending on or noise binary successful down -8 -6 dB; then, efficiency decreases, but some very still be detected -13 Experiments show that proposed method has potential improve reliability systems.

Language: Английский

Short-Term Entropy of Signal Energy Used for Effective Detecting of Weak Gunshots in Noisy Environments DOI Creative Commons
Milan Sigmund

Sensors, Journal Year: 2024, Volume and Issue: 24(15), P. 4933 - 4933

Published: July 30, 2024

Conventional gunshot detection systems can quickly and reliably detect gunshots in the area where acoustic sensors are placed. This paper presents of weak hunting using short-term entropy signal energy computed from signals an open natural environment. Our research this field was primarily aimed at detecting fired close range with usual intensity to protect wild elephants poachers. The extend existing more distant gunshots. developed algorithm optimized for two categories surrounding sounds, short impulsive events continuous noise, tested scenes power ratios between louder surroundings 0 dB -14 dB. overall accuracy evaluated terms recall precision. Depending on or noise binary successful down -8 -6 dB; then, efficiency decreases, but some very still be detected -13 Experiments show that proposed method has potential improve reliability systems.

Language: Английский

Citations

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