Research Papers

Method for inshore ship detection based on feature recognition and adaptive background window

[+] Author Affiliations
Hongyu Zhao

National University of Defense Technology, School of Electronic Science and Engineering, Changsha 410073, China

Quan Wang

National University of Defense Technology, School of Electronic Science and Engineering, Changsha 410073, China

Jingjian Huang

National University of Defense Technology, School of Electronic Science and Engineering, Changsha 410073, China

Weiwei Wu

National University of Defense Technology, School of Electronic Science and Engineering, Changsha 410073, China

Naichang Yuan

National University of Defense Technology, School of Electronic Science and Engineering, Changsha 410073, China

J. Appl. Remote Sens. 8(1), 083608 (Jun 25, 2014). doi:10.1117/1.JRS.8.083608
History: Received March 4, 2014; Revised May 2, 2014; Accepted May 28, 2014
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Abstract.  Inshore ship detection in synthetic aperture radar (SAR) images is a challenging task. We present an inshore ship detection method based on the characteristics of inshore ships. We first use the Markov random field (MRF) method to segment water and land, and then extract the feature points of inshore ships using polygonal approximation. Following this, we propose new rules for inshore ship extraction and use these rules to separate inshore ships from the land in binary images. Finally, we utilize the adaptive background window (ABW) to complete the clutter statistic and successfully detect inshore ships using a constant false alarm rate (CFAR) detector with ABW and G0 distribution. Experimental results using SAR images show that our method is more accurate than traditional CFAR detection based on K-distribution (K-CFAR), given the same CFAR, and that the quality of the image obtained through our method is higher than that of the traditional K-CFAR detection method by a factor of 0.165. Our method accurately locates and detects inshore ships in complicated environments and thus is more practical for inshore ship detection.

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© 2014 Society of Photo-Optical Instrumentation Engineers

Citation

Hongyu Zhao ; Quan Wang ; Jingjian Huang ; Weiwei Wu and Naichang Yuan
"Method for inshore ship detection based on feature recognition and adaptive background window", J. Appl. Remote Sens. 8(1), 083608 (Jun 25, 2014). ; http://dx.doi.org/10.1117/1.JRS.8.083608


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