ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Applied Research on Airborne SAR and Optical Image Registration Based on Control Line Method
Received date: 2013-03-29
Revised date: 2013-06-17
Online published: 2013-06-20
Supported by
National Natural Science Foundation of China (61203170);Aeronautical Science Foundation of China (20110752005);Funding of Jiangsu Innovation Program for Graduate Education;Fundamental Research Funds for the Central Universities (CXLX12_0160);Special Foundation of China Postdoctoral Science (2013T60539)
According to the realistic needs of the unmanned aerial vehicle (UAV) scene matching navigation, image registration method is proposed, based on linear features of the airborne synthetic aperture radar (SAR) and optical images containing typical man-made objects. Firstly, improved line segment detection (LSD) method is proposed to extract linear features of the image; Secondly, we construct the control lines and design an image registration method. Finally, precise automatic image registration is achieved based on the affine transformation model. The experimental results show that the proposed method has high registration accuracy for the SAR image and optical image, which is different in intensive, rotation and translation. The computation time is substantially reduced, and it is possible to meet some of the real-time applications.
LIU Zhongjie , CAO Yunfeng , ZHUANG Likui , DING Meng . Applied Research on Airborne SAR and Optical Image Registration Based on Control Line Method[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013 , 34(9) : 2194 -2201 . DOI: 10.7527/S1000-6893.2013.0309
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