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On the Appropriate Feature for General SAR Image Registration
Li, Dong; Zhang, Yunhua; Li, D (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Key Lab Microwave Remote Sensing, 1 Nanertiao, Beijing 100190, Peoples R China.
Department微波遥感部
Source PublicationSAR IMAGE ANALYSIS, MODELING, AND TECHNIQUES XII
2012
Pages85360X
Language英语
ISSN0277-786X
ISBN978-0-8194-9276-0
AbstractAn investigation to the appropriate feature for SAR image registration is conducted. The commonly-used features such as tie points, Harris corner, the scale invariant feature transform (SIFT), and the speeded up robust feature (SURF) are comprehensively evaluated in terms of several criteria such as the geometrical invariance of feature, the extraction speed, the localization accuracy, the geometrical invariance of descriptor, the matching speed, the robustness to decorrelation, and the flexibility to image speckling. It is shown that SURF outperforms others. It is particularly indicated that SURF has good flexibility to image speckling because the Fast-Hessian detector of SURF has a potential relation with the refined Lee filter. It is recommended to perform SURF on the oversampled image with unaltered sampling step so as to improve the subpixel registration accuracy and speckle immunity. Thus SURF is more appropriate and competent for general SAR image registration.; An investigation to the appropriate feature for SAR image registration is conducted. The commonly-used features such as tie points, Harris corner, the scale invariant feature transform (SIFT), and the speeded up robust feature (SURF) are comprehensively evaluated in terms of several criteria such as the geometrical invariance of feature, the extraction speed, the localization accuracy, the geometrical invariance of descriptor, the matching speed, the robustness to decorrelation, and the flexibility to image speckling. It is shown that SURF outperforms others. It is particularly indicated that SURF has good flexibility to image speckling because the Fast-Hessian detector of SURF has a potential relation with the refined Lee filter. It is recommended to perform SURF on the oversampled image with unaltered sampling step so as to improve the subpixel registration accuracy and speckle immunity. Thus SURF is more appropriate and competent for general SAR image registration.
KeywordFeature Detector Feature Descriptor Image Registration Speeded Up Robust Feature (Surf) Subpixel Accuracy Synthetic Aperture Radar (Sar)
Conference NameConference on SAR Image Analysis, Modeling and Techniques XII
Conference DateSEP 26-27, 2012
Conference PlaceEdinburgh, SCOTLAND
Indexed ByEI ; CPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3354
Collection微波遥感部
Corresponding AuthorLi, D (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Key Lab Microwave Remote Sensing, 1 Nanertiao, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Li, Dong,Zhang, Yunhua,Li, D . On the Appropriate Feature for General SAR Image Registration[C]. BELLINGHAM:SPIE-INT SOC OPTICAL ENGINEERING,2012:85360X.
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