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政大機構典藏 > 資訊學院 > 資訊科學系 > 期刊論文 > Item 140.119/69147

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題名:	Content-based query processing for video databases
作者:	陳良弼 Chen,Arbee L. P. Kuo, T.C.T
貢獻者:	資科系
日期:	2000-03
上傳時間:	2014-08-21 15:08:31 (UTC+8)
摘要:	This paper presents a query processing strategy for the content-based video query language named CVQL. By CVQL, users can flexibly specify query predicates by the spatial and temporal relationships of the content objects. The query processing strategy evaluates the predicates and returns qualified videos or frames as results. Before the evaluation of the predicates, a preprocessing is performed to avoid unnecessary accessing of videos which are impossible to be the answers. The preprocessing checks the existence of the content objects specified in the predicates to eliminate unqualified videos. For the evaluation of the predicates, an M-index is designed based on the analysis of the behaviors of the content objects. The M-index is employed to avoid frame-by-frame evaluation of the predicates. Experimental results are presented to illustrate the performance of this approach
關聯:	IEEE Transactions on Multimedia (EI,SCIE),2(1),1-13
資料類型:	article
顯示於類別:	[資訊科學系] 期刊論文

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