一种抑制探地/穿墙成像多径虚假目标的新型概率模型:数值研究(英文)

谭云华 王李波 李廉林

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一种抑制探地/穿墙成像多径虚假目标的新型概率模型:数值研究(英文)

  • 基金项目:

    The National Natural Science Foundation of China (61471006)

A Novel Probability Model for Suppressing Multipath Ghosts in GPR and TWI Imaging: A Numerical Study

  • Fund Project: The National Natural Science Foundation of China (61471006)

  • 摘要: 该文提出了一种抑制探地和穿墙成像中多径虚假目标的新方法, 虚假目标主要来源于基于伯恩近似的线性成像算法, 该方法忽略了目标之间的多次散射。相对已有抑制多径虚假目标的方法, 该文的主要贡献有两个方面:(a)目标反射率第一次用概率函数模型表征, (b)成像过程中引入随机孔径(从整个孔径中随机选取获得)的概念, 因此, 最终雷达图像可以理解为由随机子孔径得到图像相乘获得的联合概率分布。最后, 通过一组数值算例验证了该方法在探地和穿墙成像中的有效性。
  • [1] Semenov S. Microwave tomography: review of the progress towards clinical applications[J]. Philosophical Transactions of the Royal Society of London. Series A Mathematical Physical and Engineering Sciences, 2009, 367(1900): 30213042.
    [2] Soumekh M. Synthetic Aperture Radar Signal Processing with Matlab Algorithm[M]. New York: Wiley, 1999.
    [3] Li L, Zhang W, and Li F. A novel autofocusing approach for real-time through-wall imaging under unknown wall characteristics[J]. IEEE Transactions on Geoscience Remote Sensing, 2010, 48(1): 423-431.
    [4] Li L, Zhang W, and Li F. Derivation and discussion of the SAR migration algorithm within inverse scattering problem: theoretical analysis[J]. IEEE Transactions on Geoscience and Remote Sensing, 2010, 48(1): 415-422.
    [5] Devaney A J. A filtered backpropagation algorithm for diffraction tomography[J]. Ultrasonic Imaging, 1982, 4(4): 336-350.
    [6] Gazdag J. Wave equation migration with the phase-shift method[J]. Geophysics, 1978, 43: 1342-1351.
    [7] Liu D, Kang G, Li L, et al.. Electromagnetic time-reversal imaging of a target in a cluttered environment[J]. IEEE Transactions on Antennas and Propagation, 2005, 53(9): 3058-3066.
    [8] Huang Q, Qu L, and Fang G. UWB through-wall imaging based on compressed sensing[J]. IEEE Transactions on Geoscience and Remote Sensing, 2010, 48(3): 1408-1415.
    [9] Chew W C. Waves and Field in Inhomogeneous Media[M]. Piscataway, NJ: IEEE Press, 1990.
    [10] Kirsch A. An Introduction to The Mathematical Theory of Inverse Problem[M]. New York: Springer-Verlag, 1996.
    [11] Garren D /, Goldstein J S, Obuchon D R, et al.. SAR image formation algorithm with multipath reflectivity estimation[C]. Radar Conference, 2004: 323-328.
    [12] Jin Y, Moura J, and O'Donoughue N. Experimental study of extended target imaging by time reversal SAR[C]. IEEE International Conference on Acoustics, Speech Signal Processing IEEE Computer Society, 2009: 2109-2112.
    [13] Setlur P, Amin M, and Ahmad F. Multipath model and exploitation in through-the-wall and urban radar sensing[J]. IEEE Transactions on Geoscience and Remote Sensing, 2011, 49(10): 4021-4034.
    [14] Setlur P, Amin M, and Ahmad F. Multipath model and exploitation in through-the-wall radar and urban sensing[J]. In Acoustics, Speech and Signal Processing (ICASSP), 2011: 2676-2679.
    [15] Gennarelli G and Soldovieri F. A linear inverse scattering algorithm for radar imaging in multipath environments[J]. IEEE Geoscience and Remote Sensing Letters, 2013, 10(5): 1085-1089.
    [16] Pawan S, Giovanni A, amd Luigia N. Multipath exploitation in through-wall radar imaging via point spread functions[J]. IEEE Transactions on Image Processing A Publication of the IEEE Signal Processing Society, 2013, 22(12): 4571-4586.
    [17] Leigsnering M, Ahmad F, Amin M G, et al.. Pecular multipath exploitation for improved velocity estimation in through-the-wall radar imaging[C]. Acoustics, Speech and Signal Processing (ICASSP), 2014 IEEE International Conference on IEEE, 2014: 1060-1064.
    [18] Liang W. Research on UWB SAR image formation with suppressing multipath ghosts[J]. Signal Processing, 2007: 1-3.
    [19] Ahmad F and Amin M G. Multi-location wideband synthetic aperture imaging for urban sensing applications[J]. Journal of the Franklin Institute, 2008, 345(6): 618-639.
    [20] Pastorino M. Microwave Imaging, Hoboken[M]. NJ, USA: Wiley, 2009.
    [21] Gennarelli G and Soldovieri F. Multipath ghosts in radar imaging: physical insight and mitigation strategies[J]. IEEE Journal of Selected Topics in Applied Earth Observations Remote Sensing, 2015, 8(3): 1078-1086.
    [22] Watts C M, Shrekenhamer D, Montoya J, et al.. Terahertz compressive imaging with metamaterial spatial light modulators[J]. Nature Photonics, 2014, 8(8): 605-609.
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出版历程
  • 收稿日期:  2015-05-27
  • 录用日期:  2015-10-10
  • 刊出日期:  2015-10-28

一种抑制探地/穿墙成像多径虚假目标的新型概率模型:数值研究(英文)

  • 1. (北京大学信息科学技术学院 北京 100871)
基金项目:  The National Natural Science Foundation of China (61471006)

摘要: 该文提出了一种抑制探地和穿墙成像中多径虚假目标的新方法, 虚假目标主要来源于基于伯恩近似的线性成像算法, 该方法忽略了目标之间的多次散射。相对已有抑制多径虚假目标的方法, 该文的主要贡献有两个方面:(a)目标反射率第一次用概率函数模型表征, (b)成像过程中引入随机孔径(从整个孔径中随机选取获得)的概念, 因此, 最终雷达图像可以理解为由随机子孔径得到图像相乘获得的联合概率分布。最后, 通过一组数值算例验证了该方法在探地和穿墙成像中的有效性。

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