3D part segmentation: a new physics-based approach
1995
We propose a novel approach to 3D part segmentation. From physics it is known that on the surface of a charged conductor, charge tends to accumulate at a sharp convexity and vanishes at a sharp concavity. Thus object part boundaries, which are usually denoted by a sharp surface concavity, can be detected by locating surface points exhibiting focal charge minima. Beginning with multiview range data of a 3D object, we simulate the electrical charge distribution over an object's surface which has been tessellated by a triangular mesh. We detect the deep surface concavities by tracing local charge density minima and then decompose the object into parts at these points.
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