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航空学报  2015 

基于局部均值差分的红外小目标图像背景抑制算法

DOI: 10.7527/S1000-6893.2015.0073, PP. 2869-2873

Keywords: 复杂背景,红外小目标检测,背景抑制,局部均值差分,高通滤波

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Abstract:

复杂背景条件下红外小目标检测是提高红外武器系统探测距离的有效措施之一。针对小目标的特点提出了一种基于局部均值差分的红外小目标图像背景抑制算法。首先,通过优化的高通滤波进行初始背景抑制;然后,在分析小目标与背景像素差异的基础上检测目标潜在区域;最后,通过局部分割和特征分析实现抑制背景并增强目标。仿真结果表明,对于复杂地物及云层背景的红外图像,所提算法在提高目标信噪比及对比度方面均有较强的稳定性。

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