基于小波双尺度分析的光电小目标检测

陈东, 林建粦, 马德宝

陈东, 林建粦, 马德宝. 基于小波双尺度分析的光电小目标检测[J]. 应用光学, 2011, 32(3): 492-497.
引用本文: 陈东, 林建粦, 马德宝. 基于小波双尺度分析的光电小目标检测[J]. 应用光学, 2011, 32(3): 492-497.
shu
CHEN Dong, LIN Jian-lin, MA De-bao. Small electro-optical target detection based on two-scale wavelet analysis[J]. Journal of Applied Optics, 2011, 32(3): 492-497.
Citation: CHEN Dong, LIN Jian-lin, MA De-bao. Small electro-optical target detection based on two-scale wavelet analysis[J]. Journal of Applied Optics, 2011, 32(3): 492-497.
shu

基于小波双尺度分析的光电小目标检测

  • 信息工程大学信息工程学院,河南郑州450002

详细信息
    作者简介:

    陈东(1963-)，男，江苏江阴人,高级工程师，博士研究生，主要从事空间目标信息处理研究工作。

  • 中图分类号: P123

Small electro-optical target detection based on two-scale wavelet analysis

  • Institute of Information Engineering,Information Engineering University,Zhenzhou450002,China

摘要

    摘要
  • 摘要: 空间光电图像中的小目标检测可视为对目标信号的奇异值检测问题，而基于小波变换的多尺度分析是信号奇异值检测的重要方法。文中阐述了现有小波多尺度分析方法进行小目标检测的原理，并针对其运用中存在的模极大值线难以搜索以及目标定位精度不高的问题，利用小波函数的对称性及空间小目标信号近似对称的特点，提出了一种通过分析小波大小两个尺度来直接对光电小目标进行检测的方法，并对该方法进行了实现与仿真。仿真结果表明，该方法可以有效提高小目标的检测速度和定位精度。
    Abstract: As the small targets in the eletro-optical image are composed of tiny pixels, the detection of small targets can be regarded as the singular value detection of the target signal, and the wavelet-based multi-scale analysis is an important detection method of signal singular value. This paper analyzed the principle of small target detection using the existing wavelet-based multi-scale analysis method, and its use in the estimation of the modulus maxima value line is difficult and target location accuracy is not good. Based on the symmetry of wavelet function and small target signal, a method is presented to detect the small target in electro-optical image directly based on the wavelet analysis over two different scales. Finally, experiments proved that the method can improve the detection speed and location accuracy effectively.
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    • 参考文献(1)
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  • 刊出日期:  2011-05-14

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