张兴国;张丽;李爽;蒋冬梅;

• 1:信阳师范学院城市与环境科学学院
• 2:信阳师范学院物理与电子工程学院

摘要(Abstract)：

针对单幅图像难以提取地理信息的问题,该文提出了一种基于场景结构或单一坐标值约束的地理信息提取方法。面向地形起伏不大或结构化场景,基于几何关系约束,该文设计了单幅图像地理信息提取的总体框架。分别针对结构化和非结构化场景,采用场景结构约束、图像EXIF信息等,实现了摄像机内参及部分外参的求解。基于该信息,通过单一坐标值约束,构建了单幅图像地理信息的提取方法。最后,在平面或垂面约束下,对室内外地理场景进行了二、三维地理信息提取实验。结果表明,该方法能够将单幅图像中的特征点、线或面转换为地理空间数据。

关键词(KeyWords)： GIS;单幅图像;视频;信息提取

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41401436);; 信阳师范学院博士科研启动基金资助项目(0201402);信阳师范学院校青年基金资助项目(2012059);; 信阳师范学院2015年度大学生科研基金项目(2015-176)

作者(Author): 张兴国;张丽;李爽;蒋冬梅;

Email:

DOI: 10.16251/j.cnki.1009-2307.2017.08.020

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