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http://dx.doi.org/10.3745/KIPSTD.2011.18D.5.323

Earth Mover's Distance Approximate Earth Mover's Distance for the Efficient Content-based Image Retreival  

Jang, Min-Hee (한양대학교 전자컴퓨터통신공학과)
Kim, Sang-Wook (한양대학교 정보통신대학 정보통신학부)
Abstract
For content-based image retrieval, the earth mover's distance and the optimal color composition distance are proposed to measure the dissimilarity. Although providing good retrieval results, both methods are too time-consuming to be used in a large image database. To solve the problem, we propose a new distance function that calculates an approximate earth mover's distance in linear time. To calculate the dissimilarity in linear time, the proposed approach employs the space-filling curve. We have performed extensive experiments to show the effectiveness and efficiency of the proposed approach. The results reveal that our approach achieves almost the same results with the EMD in linear time.
Keywords
Content-based Image Retrieval; Earth Mover's Distance; Distance Function;
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  • Reference
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