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红外序列图像中缓动点目标的投影检测算法及其改进

Keywords: 目标检测形态学滤波红外图像序列低信噪比点目标仿真投影检测算法

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Abstract:

应用形态学滤波算法获得红外图像的背景,利用局域窗口估计的噪声均值和方差对噪声进行归一化,将归一化图像在时域上构成组合帧,然后在组合帧内对目标进行统计检测,分析得到了目标及噪声在组合帧中的统计分布。针对噪声和目标幅值的不同分布特性,进一步对投影算法进行了改进,提高了投影算法的信噪比。实际红外图像仿真表明,该算法可以成功检测信噪比为2的目标。

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