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A Study on 3D Object Retrieval using Reflective Symmetry  

Song, Ju-Whan (School of Liberal Arts, Jeonju University)
Choi, Seong-Hee (Department of Early Childhood Education, Vision College of Jeonju)
Gwun, Ou-Bong (Division of Electronics & Information Engineering, Chonbuk National University)
Publication Information
전자공학회논문지 IE / v.44, no.4, 2007 , pp. 48-54 More about this Journal
Abstract
Due to the diverse utilization of multimedia, interests are increasing towards processing (saving, editing, searching, etc) three dimensional object data. This paper proposes and realizes a retrieval system for three dimensional objects using reflective symmetry. For the retrieval method, a reflective symmetric axis with a projector is used. The symmetric plane is calculated by the reflection symmetry, and the depth buffer is calculated for the symmetric plane. Then, by applying the Fourier Transform to the depth buffer, the feature vector for the object is generated and retrieved. For the sample of inquiry, the model of similar symmetry was extracted using the benchmark data from Konstantz University. Considering that most of the objects have symmetrical characteristics, the proposed method of retrieving three dimensional objects using a reflective symmetric surface is an outstanding retrieval system.
Keywords
반사대칭면;3차원오브젝트 검색;대칭축;특징 추출;
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