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PIER PIER B PIER C PIER M PIER Letters
2014-05-16
An Efficient ISAR Imaging Method for Multiple Targets
By
Joo-Ho Jung,

    Dr. Joo-Ho Jung

    Department of Electronic and Electrical Engineering

    Pohang University of Science and Technology

    Korea

    Homepage

Kyung-Tae Kim,

    Prof. Kyung-Tae Kim

    Department of Electrical Engineering

    Pohang University of Science and Technology

    Korea

    Homepage

Si-Ho Kim,

    Dr. Si-Ho Kim

    Agency for Defense Development

    Korea

    Homepage

Sang-Hong Park

    Prof. Sang-Hong Park

    Department of Electronics Engineering

    Pukyong National University

    Korea

    Homepage

Progress In Electromagnetics Research, Vol. 146, 133-142, 2014
doi:10.2528/PIER14042905
Abstract
This paper proposes an ecient method to obtain ISAR images of multiple targets ying in formation. The proposed method improves the coarse alignment and segmentation of the existing method. The improved coarse alignment method models the ight trajectory using a combination of a polynomial and Gaussian basis functions, and the optimum parameter of the trajectory is found using particle swarm optimization. In the improved segmentation, the binary image of the bulk ISAR image that contains all targets is constructed using a two-dimensional constant false alarm detector, then the image closing method is applied to the binary image. Finally, the connected set of binary pixels is used to segment each target from the bulk image. Simulations using three targets composed of point scattering centers and the measured data of the Boeing747 aircraft prove the e ectiveness of the proposed method to segment three targets ying in formation.
Citation
Joo-Ho Jung, Kyung-Tae Kim, Si-Ho Kim, and Sang-Hong Park, "An Efficient ISAR Imaging Method for Multiple Targets," Progress In Electromagnetics Research, Vol. 146, 133-142, 2014.
doi:10.2528/PIER14042905
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