首页> 外文会议>Biennial Australian Pattern Recognition Society Conference(DICTA2003) v.2; 2003; Sydney; AU >A Region-Based Matching Approach for 3D-Roof Reconstruction from HR Satellite Stereo Pairs
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A Region-Based Matching Approach for 3D-Roof Reconstruction from HR Satellite Stereo Pairs

机译:基于区域的HR卫星立体声对3D屋顶重建匹配方法

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This study is a part of a global project on urban scenes interpretation using high resolution satellite images. Actually, the research is focused on buildings and roads are used to delineate zones of interest. This study details automatic reconstruction of 3D facets using a region matching approach based on hierarchical segmentation of images. The novelty consists in dedicating algorithms to satellital context to make them more robust to noise and to deal with low stereopair Base to Height ratio. First of all, a hierarchical segmentation process is explained, then matching regions constraints are detailed. Afterwards, optimal cuts, which corresponds to a set of regions that are likely to represent building rooftops, are processed in both hierarchies. Cuts are processed given matching scores and using regions planarity constraint. In the third part, global matching of both cuts is processed in order to obtain final matchings which will allow 3D scene reconstruction. Eventually, some results are presented.
机译:这项研究是全球项目的一部分,该项目使用高分辨率卫星图像来解释城市场景。实际上,研究集中在建筑物和道路上,用于划定感兴趣的区域。这项研究详细介绍了使用基于图像分层分割的区域匹配方法自动重建3D构面的方法。新颖之处在于将算法用于卫星环境,以使其对噪声更鲁棒,并处理低立体对的底高比。首先,解释了分层分割过程,然后详细描述了匹配区域约束。此后,在两个层次结构中都处理了最佳切割,该切割对应于可能代表建筑物屋顶的一组区域。给定匹配分数并使用区域平面度约束来处理切割。在第三部分中,处理两个剪辑的全局匹配以获得最终匹配,这将允许3D场景重建。最终,提出了一些结果。

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