红外与激光工程, 2016, 45 (5): 0526001, 网络出版: 2016-06-12  

一种基于广义累积和的多波段红外变异点目标检测方法

A novel multi-band infrared mutation point target detection method based on generalized cumulative sum
作者单位
1 北京理工大学 光电成像技术与系统教育部重点实验室, 北京 100081
2 华北光电技术研究所, 北京 100015
摘要
在红外搜索跟踪应用中, 对突然出现和消失的变异点的检测一直是个亟待关注和研究的重要课题。随着多波段红外探测系统的应用, 提出一种基于广义累积和的红外目标运动轨迹序列检测新方法, 将检测波段从单波段扩展到多波段, 从而保证虚警概率不大于某一定值的情况下, 使多波段变异点探测概率增大或使所需的信噪比和平均检测时延大大减小。数据仿真表明, 这一方法在红外变异点目标序列检测方面具有良好的效果, 在虚警概率一定的情况下, 信噪比检测门限可降低至传统方法的60%, 双波段变异点平均检测时延约减少为传统检测方法的1/2。
Abstract
The detection for mutation point which suddenly appear and vanish has received much attention in IRST application. With the development of multi-wave band IRST system, a sequential infrared target trajectory detection algorithm based on generalized cumulative sum was proposed. The research extended the single band detection into multiple band detection, which improved the detection probability, greatly reduced the average detection delay and signal-to-noise ratio(SNR) under a certain false alarm rate. Results of simulation analysis show that the modified algorithm has excellent detection performance for infrared mutation point target. In case of a certain false alarm rate, the SNR threshold can be decreased to 60% and dual band detection delay can be reduced about a half comparing with the traditional detection method.
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田岳鑫, 高昆, 刘莹, 卢岩, 倪国强. 一种基于广义累积和的多波段红外变异点目标检测方法[J]. 红外与激光工程, 2016, 45(5): 0526001. Tian Yuexin, Gao Kun, Liu Ying, Lu Yan, Ni Guoqiang. A novel multi-band infrared mutation point target detection method based on generalized cumulative sum[J]. Infrared and Laser Engineering, 2016, 45(5): 0526001.

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