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Journal of Applied Remote Sensing

Hierarchical vessel classifier based on multifeature joint matching for high-resolution inverse synthetic aperture radar images
Author(s): Hongyu Zhao; Quan Wang; Weiwei Wu; Qingping Wang; Jiao Shenghai; Naichang Yuan
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Paper Abstract

Vessel classification using inverse synthetic aperture radar (ISAR) imagery is important because it can be used for maritime surveillance and has a high military value. We propose a vessel classification algorithm based on multifeature joint matching. We first utilize a preprocessing method to eliminate the vessel wakes and strong sea clutter, which interfere with feature extraction. In view of the different categories of vessels, we then propose a new two-dimensional strong scattering points encoding (SSPE 2-D) for vessel recognition. Furthermore, we modify the method to calculate the number of peaks in the range profile in order to obtain a more accurate result. The high-resolution ISAR images obtained as a result are used to verify the effectiveness of our method. We also compare our proposed method with three other classification methods, and show that the classification rate obtained using our technique is more accurate than that from each of the other methods. Our experiments also show that the preprocessing and the new encoding feature improve classification accuracy.

Paper Details

Date Published: 22 August 2014
PDF: 13 pages
J. Appl. Rem. Sens. 8(1) 083563 doi: 10.1117/1.JRS.8.083563
Published in: Journal of Applied Remote Sensing Volume 8, Issue 1
Show Author Affiliations
Hongyu Zhao, National Univ. of Defense Technology (China)
Quan Wang, National Univ. of Defense Technology (China)
Weiwei Wu, National Univ. of Defense Technology (China)
Qingping Wang, National Univ. of Defense Technology (China)
Jiao Shenghai, Beijing Institute of Space Long March Vehicle (China)
Naichang Yuan, National Univ. of Defense Technology (China)

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