改进SFS的月面撞击坑三维恢复算法研究3D reconstruction algorithm for lunar crater based on new SFS
徐辛超,徐爱功,刘少创,徐宗秋
摘要(Abstract)：
为了实现探月二期中单幅影像条件下的月面撞击坑三维地形恢复,文章基于Lommel-Seeliger反射模型,提出了正则化约束的明暗恢复形状(SFS)三维恢复算法,以特征边缘线点的梯度比例作为起算,演化得到撞击坑内部所有点的梯度比例,实现了反射方程的正则化。采用实际月面撞击坑影像和模拟影像验证分析,结果证明本文提出的算法优于Tsai算法,能够有效地实现月面撞击坑地形的三维恢复。
关键词(KeyWords)： 明暗恢复形状技术;撞击坑;反射模型;梯度比例;DEM恢复
基金项目(Foundation): 国家自然科学基金项目(41071298);; 国家测绘地理信息局测绘基础研究基金资助项目(12-01-05);; 辽宁省自然科学基金项目(201102087)
作者(Author): 徐辛超,徐爱功,刘少创,徐宗秋
DOI: 10.16251/j.cnki.1009-2307.2014.09.031
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