计算机科学 ›› 2018, Vol. 45 ›› Issue (6): 259-264.doi: 10.11896/j.issn.1002-137X.2018.06.046
林伟俊1, 赵辽英1, 厉小润2
LIN Wei-jun1, ZHAO Liao-ying1, LI Xiao-run2
摘要: 亚像元目标检测是高光谱图像应用的关键技术。由于高光谱数据的高维度增加了存储空间和数据处理的复杂度,实时处理成为了目标检测面临的重要问题。自适应匹配滤波算法(AMF)是一种有效的亚像元目标检测算法。在基于Woodbury引理实现以逐像素排列格式传输和存储的高光谱数据协方差矩阵实时求逆的基础上,以AMF为高光谱图像亚像元目标检测算法,推导出了基于逐像素递归处理的高光谱图像实时AMF目标检测流程。通过仿真数据和真实高光谱图像实验证明,相比于非实时AMF,实时AMF只需少量的存储空间便可得到同样甚至更高的检测精度。
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