熊上导, 易凡, 何超, 严赵军. 基于剪切波变换和邻域差分的小目标检测算法[J]. 红外技术, 2015, 37(1): 25-28,33.
引用本文: 熊上导, 易凡, 何超, 严赵军. 基于剪切波变换和邻域差分的小目标检测算法[J]. 红外技术, 2015, 37(1): 25-28,33.
XIONG Shang-dao, YI Fan, HE Chao, YAN Zhao-jun. Small Target Detection Algorithm Based on Shearlet Transform and Neighborhood Difference[J]. Infrared Technology , 2015, 37(1): 25-28,33.
Citation: XIONG Shang-dao, YI Fan, HE Chao, YAN Zhao-jun. Small Target Detection Algorithm Based on Shearlet Transform and Neighborhood Difference[J]. Infrared Technology , 2015, 37(1): 25-28,33.

基于剪切波变换和邻域差分的小目标检测算法

Small Target Detection Algorithm Based on Shearlet Transform and Neighborhood Difference

  • 摘要: 提出了一种基于剪切波变换的背景预测算法用于红外小目标的检测.对原始图像进行剪切波变换,获得原始图像的多尺度和方向的细节特征.然后,对低频子带进行中值滤波,去除残留目标.对高频子带,根据其均方误差来调整权重系数,抑制目标和噪声.将反变换后得到的背景预测图像和原始图像进行差分,采用一种基于双窗口的邻域差分方法进行分割,最终实现目标检测.与小波变换法和双边滤波法比较,基于剪切波变换的方法对小目标的检测有较好的效果.

     

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