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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2012-04-23
Application of MDL Criterion for Microwave Imaging by MUSIC Algorithm
By
Majid Pouramadi,

    Dr. Majid Pouramadi

    Electrical and Computer Engineering

    University of Yazd

    Iran

    Homepage

Mansoor Nakhkash,

    Dr. Mansoor Nakhkash

    Electrical and Computer Engineering

    University of Yazd

    Iran

    Homepage

Ali Akbar Tadion

    Dr. Ali Akbar Tadion

    Electrical and Computer Engineering

    University of Yazd

    Iran

    Homepage

Progress In Electromagnetics Research B, Vol. 40, 261-278, 2012
doi:10.2528/PIERB12031001 | Google Scholar

Abstract
Multiple signal classification (MUSIC) algorithm has been applied to localize small scatterers for super-resolution imaging. A problem associated with this application is the estimation of the number of scatterers in presence of noise and multiple scattering between targets. In this paper, we show that the mathematical model behind the scattering from the small objects is well compatible with the minimum description length (MDL) model. This leads us to use the MDL so as to estimate the number of scatterers before application of the MUSIC algorithm. As the MDL assumes the sources are independent, the nearby wave sources are grouped together to improve the independency criterion. The application of MDL to synthetic and experimental data verifies accurate estimation of the target number with low complexity, even if the data embodies significant noise and multiple scattering.
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Citation
Majid Pouramadi, Mansoor Nakhkash, and Ali Akbar Tadion, "Application of MDL Criterion for Microwave Imaging by MUSIC Algorithm," Progress In Electromagnetics Research B, Vol. 40, 261-278, 2012.
doi:10.2528/PIERB12031001
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