Efficient RANSAC for Point-Cloud Shape Detection

Provided by: University of Bologna
Topic: Cloud
Format: PDF
In this paper, the authors present an automatic algorithm to detect basic shapes in unorganized point clouds. The algorithm decomposes the point cloud into a concise, hybrid structure of inherent shapes and a set of remaining points. Each detected shape serves as a proxy for a set of corresponding points. Their method is based on random sampling and detects planes, spheres, cylinders, cones and tori. For models with surfaces composed of these basic shapes only, e.g. CAD models, they automatically obtain a representation solely consisting of shape proxies.

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