Research Papers

Hierarchical model-based interferometric synthetic aperture radar image registration

[+] Author Affiliations
Yang Wang

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

Haifeng Huang

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

Zhen Dong

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

Manqing Wu

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

China Electronics Technology Group Corporation, Wan Shou Road, Beijing 100000 China

J. Appl. Remote Sens. 8(1), 083603 (Jul 01, 2014). doi:10.1117/1.JRS.8.083603
History: Received March 31, 2014; Revised May 20, 2014; Accepted May 22, 2014
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Abstract.  With the rapid development of spaceborne interferometric synthetic aperture radar technology, classical image registration methods are incompetent for high-efficiency and high-accuracy masses of real data processing. Based on this fact, we propose a new method. This method consists of two steps: coarse registration that is realized by cross-correlation algorithm and fine registration that is realized by hierarchical model-based algorithm. Hierarchical model-based algorithm is a high-efficiency optimization algorithm. The key features of this algorithm are a global model that constrains the overall structure of the motion estimated, a local model that is used in the estimation process, and a coarse-to-fine refinement strategy. Experimental results from different kinds of simulated and real data have confirmed that the proposed method is very fast and has high accuracy. Comparing with a conventional cross-correlation method, the proposed method provides markedly improved performance.

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© 2014 Society of Photo-Optical Instrumentation Engineers

Citation

Yang Wang ; Haifeng Huang ; Zhen Dong and Manqing Wu
"Hierarchical model-based interferometric synthetic aperture radar image registration", J. Appl. Remote Sens. 8(1), 083603 (Jul 01, 2014). ; http://dx.doi.org/10.1117/1.JRS.8.083603


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