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Efficient 3D Model Retrieval using Discriminant Analysis  

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.45, no.2, 2008 , pp. 34-39 More about this Journal
Abstract
This study established the efficient system that retrieves the 3D model by using a statistical technique called the function of discriminant analysis. This method was suggested to search index, which was formed by the statistics of 128 feature vectors including those scope, minimum value, average, standard deviation, skewness and scale. All of these were sampled with Osada's D2 method and the statistics as a factor effecting a change turned the value of discriminant analytic function into that of index. Through the primary retrieval on the model of query, the class above the top 2% was drawn out by comparing the query with the index of previously saved class from the group of same models. This method was proved an efficient retrieval technique that saved its procedural time. It shortened the retrieval time for 3D model by 57% faster than the existing Osada's method, and the precision that similar models were found in the first place was recorded 0.362, which revealed it more efficient by 44.8%.
Keywords
3차원 모델 검색;특징벡터 추출;판별분석함수;색인;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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