| 单张影像月球着陆区选取技术 |
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| 引用本文： | 徐鹍,周杨,李建胜,滕飞,吕亮.单张影像月球着陆区选取技术[J].测绘科学技术学报,2012(2):127-130. |
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| 作者姓名： | 徐鹍 周杨 李建胜 滕飞 吕亮 |
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| 作者单位： | 1. 信息工程大学测绘学院,河南郑州450052
2. 苏州市数字城市工程研究中心,江苏苏州215021 |
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| 基金项目： | 江苏省企业院士工作站项目(BM2010509) |
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| 摘 要： | 提出了一种基于单张影像的月球着陆区快速选取方法.首先在分析月面光照成像模型基础上,提出了一种新的改进的光照模型和一个新的约束条件,采用明暗恢复形状(SFS)算法得到月面3维形貌;然后综合影像和得到的3维形貌,计算月面地形粗糙度,采用两步筛选的方法,选取着陆区域.实验结果表明,该方法较好地实现了着陆区的选取.
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| 关 键 词： | 单张影像 着陆区 明暗恢复形状 最小化方法 地形粗糙度 |
A Lunar Landing Area Select Method Based on Single Image |
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| XU Kun,ZHOU Yang,LI Jiansheng,TENG Fei,LV Liang.A Lunar Landing Area Select Method Based on Single Image[J].Journal of Zhengzhou Institute of Surveying and Mapping,2012(2):127-130. |
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| Authors: | XU Kun ZHOU Yang LI Jiansheng TENG Fei LV Liang |
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| Institution: | 1(1.Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China; 2.Suzhou Digital City Engineering Research Center,Suzhou 215021,China) |
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| Abstract: | A fast method to select landing area based on single image was proposed.Firstly,the lighting condition on lunar surface was analyzed,a new lighting model and a novel constraint was proposed.The 3-D information of lunar surface can be obtained by adopting shape-from-shading method based on the improved lighting model.Then,according to the image and 3-D information,roughness of the lunar surface can be calculated,and landing area is selected by two steps select.The experiment result proved that the method was able to select the landing area correctly. |
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| Keywords: | single image landing area shape from shading minimization terrain roughness |
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