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Alternative TitleMultimodality robust local feature descriptors
赵春阳; 赵怀慈
Source Publication光学精密工程
Indexed ByEI ; CSCD
EI Accession number20152600979068
Contribution Rank1
Funding Organization国家973重点基础研究发展计划资助项目 ; 中国科学院光电信息处理重点实验室开放基金资助项目(No.OEIP-O-201203)
Keyword图像配准 多模态配准 多模态鲁棒特征 相位一致性 局部方向 归一化相关
Other AbstractThe intensity-based local feature matching methods are sensitive to image contrast variations, so the performance declines significantly when they are applied in multimodal image registration. To solve the above problem, a multimodality robust local feature descriptor was proposed and the corresponding feature matching method was developed. Firstly, an extraction method for the multimodality robust corner and line segment was proposed based on the phase congruency and local direction information insensitive to contrast variants. Compared with intensity based method, more equivalent corners and line segments were extracted between multimodal images with more contrast differences. Then, the feature region containing of 48circular sub-regions was selected by using the corner for a center and the 96dimensional feature vectors were generated by using the distance values of corners and the length values of line segments located in feature subregions. Finally, the feature matching method based on normalized correlation function was proposed and the location constraint-based RANdom SAmple Consensus(RANSAC)algorithm was used to remove false matching point pairs. The experimental results indicate that the precision and repeatability on multimodal image matching of the proposed method reach 80%and 13%respectively. As compared with the other intensity-based image matching methods, the precision and repeatability of proposed method are 2-4times and 4-7times respectively those of Symmetric-Scale Invariable Feature Transformation(S-SIFT)and Multimodal-Speeded-up Robust Features(MM-SURF).It concludes that the proposed method outperforms many state-of-the-art methods significantly.
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Document Type期刊论文
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GB/T 7714
赵春阳,赵怀慈. 多模态鲁棒的局部特征描述符[J]. 光学精密工程,2015,23(5):1474-1483.
APA 赵春阳,&赵怀慈.(2015).多模态鲁棒的局部特征描述符.光学精密工程,23(5),1474-1483.
MLA 赵春阳,et al."多模态鲁棒的局部特征描述符".光学精密工程 23.5(2015):1474-1483.
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