A 3D search engine based on 3D curve analysis
2010
Three-dimensional model databases used around the Web become larger; therefore, the development of retrieval systems for such databases is required. In this paper, we propose a new 3D shape descriptor and a web based search engine for 3D models given by polygonal meshes. The main idea is to reconstruct a 3D closed curve that represents the 3D object and to extract feature vectors from it. We combine two new descriptors the area and the dot product descriptors that describe the reconstructed 3D closed curve in order to define the 3D curve analysis descriptor. The proposed method is robust for noise, compared to other descriptors known in the literature and tested using the Princeton shape benchmark database via the search engine.
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