Abstract
Information on the shape of an object can be combined with information on the shape of the complement of the object, in order to describe objects having complex shape. We present a method for decomposing and characterising the convex deficiencies of an object, i.e., the regions obtained by subtracting the object from its convex hull, into parts corresponding to cavities, tunnels, and concavities of the object. The method makes use of the detection of watersheds in a distance image. © Springer-Verlag Berlin Heidelberg 2003.
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Svensson, S., Arcelli, C., & Sanniti Di Baja, G. (2003). Characterising 3D objects by shape and topology. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2886, 124–133. https://doi.org/10.1007/978-3-540-39966-7_11
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