一种改进的辐射不变特征多源图像配准算法An improved multi-source remote sensing image registration method with radiation invariant features
姜刚,贾鸿顺,顾俊凯,付笑
摘要(Abstract)：
针对多源图像匹配算法辐射不变特征变换(RIFT)计算成本高的问题,该文提出了改进RIFT算法。采用最大值图替换最大索引图来构造旋转不变描述子,大幅降低了构造旋转不变描述子的数量,提高了计算速度,并构造了一种似GLOH描述子,使其具有更高的独特性和旋转不变性,提高了正确匹配率。配准实验结果表明,该算法对于非线性辐射差异具有不变性,能够检测出大量的重复特征点,并快速构造旋转不变描述子,能够较好地实现多源遥感图像的自动配准。
关键词(KeyWords)： RIFT;相位一致性;辐射不变;多源遥感图像配准
基金项目(Foundation): 国家自然科学基金项目(41977231);; 矿山地质灾害成灾机理与防控重点实验室开放基金项目(2017KF06)
作者(Author): 姜刚,贾鸿顺,顾俊凯,付笑
DOI: 10.16251/j.cnki.1009-2307.2020.11.011
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