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http://dx.doi.org/10.3745/KIPSTD.2004.11D.4.823

Similarity Search Algorithm Based on Hyper-Rectangular Representation of Video Data Sets  

Lee, Seok-Lyong (한국외국어대학교 산업정보시스템공학부)
Abstract
In this research, the similarity search algorithms are provided for large video data streams. A video stream that consists of a number of frames can be expressed by a sequence in the multidimensional data space, by representing each frame with a multidimensional vector By analyzing various characteristics of the sequence, it is partitioned into multiple video segments and clusters which are represented by hyper-rectangles. Using the hyper-rectangles of video segments and clusters, similarity functions between two video streams are defined, and two similarity search algorithms are proposed based on the similarity functions algorithms by hyper-rectangles and by representative frames. The former is an algorithm that guarantees the correctness while the latter focuses on the efficiency with a slight sacrifice of the correctness Experiments on different types of video streams and synthetically generated stream data show the strength of our proposed algorithms.
Keywords
Video Search; Multidimensional Sequence; Similarity Measure;
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Times Cited By KSCI : 1  (Citation Analysis)
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