遥感信息 2015, 30(6) 58-62 DOI:   10.3969/j.issn.1000-3177.2015.  ISSN: 1000-3177 CN: 11-5443/P

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本文关键词相关文章
A3航摄仪
SIFT
影像匹配
质量检查
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PubMed
A3数码航摄仪飞行重叠度检查
李昊霖|李冲|黄瑞金|佘毅
摘要: 针对A3数码航摄仪的飞行重叠度还没有成熟检查方法的问题,提出了一种基于改进SIFT的A3数码航摄仪飞行重叠度检查算法。该算法可用于A3数码航摄仪的航向、旁向重叠度,两台相机同时获取的子影像及扫视方向上相邻子影像重叠度的计算。该文根据A3航摄仪的相机安装关系恢复子影像间相对关系后,再利用位置约束SIFT特征向量搜索范围的方式进行影像匹配;利用影像同名点的相对位置关系计算重叠度,并剔除前3个较小值,以提高重叠度的可靠性。经实例验证,匹配成功率高且飞行重叠度检查结果准确。
关键词 A3航摄仪   SIFT   影像匹配   质量检查  
An Overlap Check Method for A3 Digital Aerial Camera
LI Haolin|LI Chong|HUANG Ruijin|SHE Yi
Abstract: Aiming at the problem of no mature overlap check method for A3 digital aerial camera,an overlap check method for A3 digital aerial camera based on improved SIFT was proposed.The proposed algorithm can be used in forward and side overlap check,as well as the overlap check of one double frame and two adjacent double frames.To improve the success rate of matching,firstly,restore the relative position relations of two adjacent single frames,secondly,use the position constraint method for matching.Then,make use of relative position of homonymy points to calculate overlap check.Some experiments on four adjacent strips of A3 digital aerial camera were made to verify the validity of the proposed method.Results show that the proposed method is accurate and reliable for overlap check.
Keywords: A3 aerial camera   SIFT   image matching   quality check  
收稿日期 2014-12-08 修回日期 2015-01-03 网络版发布日期 2015-12-14 
DOI: 10.3969/j.issn.1000-3177.2015.
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通讯作者: 李昊霖(1990—),男,硕士,研究方向为影像质量评价、高分辨遥感卫星几何处理。E-mail:871342021@qq.com
作者简介: 李昊霖(1990—)|男|硕士|研究方向为影像质量评价、高分辨遥感卫星几何处理。E-mail:871342021@qq.com
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