| Summary: | 碩士 === 中華大學 === 資訊工程學系碩士班 === 99 === The advances in 3D data acquisition, graphics hardware, and 3D data modeling and visualizing techniques have led to the proliferation of 3D models. The searching for specific 3D models becomes an important issue. Techniques for effective and efficient content-based 3D model retrieval have therefore become an essential research topic. In this thesis, eight projected shape features include elevation descriptor, curvature descriptor, radial descriptor, angle descriptor and their derivative descriptors will be used for 3D model retrieval. In order to get a better retrieval result, Dynamic Multi-Descriptor Fusion (DMDF) is used to combine these projected shape features. Experimental results show the proposed methods produce good performances.
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