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Volume 45 Issue 6
Jun.  2023
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LIU Hui, LIU Taiyang, WANG Chengliang, XU Song. Double Threshold Detection Algorithm for Infrared Point Targets[J]. Infrared Technology , 2023, 45(6): 622-629.
Citation: LIU Hui, LIU Taiyang, WANG Chengliang, XU Song. Double Threshold Detection Algorithm for Infrared Point Targets[J]. Infrared Technology , 2023, 45(6): 622-629.
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Double Threshold Detection Algorithm for Infrared Point Targets

  • Airborne Early Warning Department, Air Force Early Warning Academy, Wuhan 430019, China

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  • Received Date: April 10, 2022
  • Revised Date: May 03, 2022
    Graphical Abstract
    • Abstract
  • The probability of detection, probability of false alarm, and signal-to-noise ratio (SNR) are three core indicators of the detection system for infrared point targets. Under the criterion of constant false alarm detection, this study analyzed the relationship between probability of detection, probability of false alarm, and signal-to-noise ratio(SNR) using single frame detection method, also called single threshold detection for infrared point target systems. This study focused on the analysis and calculation of the selection strategy of the second threshold under a multi-frame accumulation detection method (called the double threshold detection algorithm) and achieved a higher probability of detection and lower probability of false alarm with a lower SNR. A good solution was also found for the problem of detecting high-value targets with high threat and cost for false and missed alarms.
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    • References (12)
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