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Automatic registration of optical and SAR remote sensing image based on phase feature
M.-C. Sun; T.-X. Ma; Y.-M. Song and J.-Q. Peng
2021
发表期刊Guangxue Jingmi Gongcheng/Optics and Precision Engineering
ISSN1004924X
卷号29期号:3页码:616-627
摘要Optical SAR image registration is highly difficult because of the geometric and nonlinear radiation differences between optical and SAR remote sensing images, as well as the speckle noise of SAR. Thus, this paper proposes an automatic algorithm, based on phase congruency, to register optical and SAR images. First, the maximum and minimum moments of phase consistency are calculated, and the results are superimposed. The feature points are extracted from the superimposed image by the Harris operator, and then, the stable corner points and edge points are obtained as the feature points to be matched. Subsequently, the phase-consistent orientation and the maximum amplitude index map, based on multi-scale fusion, are constructed with the help of the HOG template. The maximum amplitude index map based on multi-scale fusion is voted using the phase consistency orientation, and a novel local feature descriptor is established. Finally, Euclidean distance is used as the measure of the feature vector, the nearest neighbor ratio is calculated to realize feature matching, and the fast sampling consistency algorithm is used to eliminate mismatched points. Experimental results on three sets of image data show that the proposed algorithm has more correct matching points and a higher matching accuracy than the gradient-based OS-SIFT algorithm. The number of correct matching points is increased by 11, 8, 15 and 11 pairs, and the root mean square error is increased by 57.5%, 57.9%, 23.5% and 58%, respectively. 2021, Science Press. All right reserved.
DOI10.37188/OPE.20212903.0616
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/65070
专题中国科学院长春光学精密机械与物理研究所
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M.-C. Sun,T.-X. Ma,Y.-M. Song and J.-Q. Peng. Automatic registration of optical and SAR remote sensing image based on phase feature[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2021,29(3):616-627.
APA M.-C. Sun,T.-X. Ma,&Y.-M. Song and J.-Q. Peng.(2021).Automatic registration of optical and SAR remote sensing image based on phase feature.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,29(3),616-627.
MLA M.-C. Sun,et al."Automatic registration of optical and SAR remote sensing image based on phase feature".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 29.3(2021):616-627.
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