Eurographics Workshop on 3D Object Retrieval 2009
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3D Shape Retrieval Using Spherical Harmonics
This presentation gives an introduction on content-based 3D shape retrieval methods, focusing on the category of methods that use spherical harmonics in order to produce a shape descriptor. In particular, the Concrete Radialized Spherical Projection descriptor is presented, which has improved trasformation invariance properties thus enhancing discriminative power and enabling very efficient 3D shape search and retrieval.
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