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A Representative-Video-Frame Selection Method for a Content-Based Video-Query-Agent System

Katsunobu FUSHIKIDA, Yoshitsugu HIWATARI, Hideyo WAKI

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Summary :

An optimum representative-frames (r-frames) selection method using step-wise function approximation has been developed to provide automatic indexing for a video-query-agent (VQA) system. It uses dynamic programming to simultaneously select the r-frames and corresponding segment boundaries. Experiments showed that the approximation error of the selected r-frames was less than that of two conventional methods. Retrieval experiments using a feature-based image-search engine showed that the proposed method is more robust and effective than the two conventional methods. The proposed method was implemented in a VQA system and processing time was evaluated. The results showed that the processing time for indexing was shorter than that of the conventional method.

Publication
IEICE TRANSACTIONS on Information Vol.E83-D No.6 pp.1274-1281
Publication Date
2000/06/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Image Processing, Image Pattern Recognition

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