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Shape Representation via Conformal Mapping

机译:通过保形映射进行形状表示

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摘要

Representation and comparison of shapes is a problem with many applications in computer vision and imaging, including object recognition and medical diagnosis. We will discuss some constructions from the theory of conformal mapping which provide ways to represent and compare planar shapes. It is a remarkable fact that conformal maps from the unit disk to a planar domain encode the geometry of the domain in useful and tangible ways. Two examples of the relationship between conformal mapping and geometry are provided by the medial axis and the boundary curvature of a planar domain. Both the medial axis and the boundary curvature can be used in applications to compare and describe shapes and both appear clearly in the conformal structure. Here we introduce some results demonstrating how conformal mapping encodes the geometry of a planar domain.
机译:形状的表示和比较是计算机视觉和成像中许多应用(包括对象识别和医学诊断)中的一个问题。我们将讨论共形映射理论中的一些构造,这些构造提供了表示和比较平面形状的方式。值得注意的事实是,从单位磁盘到平面域的共形映射以有用且有形的方式编码域的几何形状。共形映射和几何关系之间的关系的两个示例由平面域的中间轴和边界曲率提供。中间轴和边界曲率都可以在应用中用于比较和描述形状,并且两者都清晰地出现在共形结构中。在这里,我们介绍了一些结果,这些结果证明了保形映射如何编码平面域的几何形状。

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