An integrated scheme for automated video abstraction based on unsupervised cluster-validity analysis

被引：183

作者：

Hanjalic, A ^{[1
]}

Zhang, HJ ^{[1
]}

机构：

[1] Delft Univ Technol, NL-2628 CD Delft, Netherlands

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY | 1999年 / 9卷 / 08期

关键词：

clustering; cluster-validity analysis; content-based video retrieval; content classification; video content analysis;

D O I：

10.1109/76.809162

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Key frames and previews are two forms of a video abstract, widely used for various applications in video browsing: and retrieval systems. We propose in this paper a novel method for generating these two abstract forms for an arbitrary video sequence. The underlying principle of the proposed method is the removal of the visual-content redundancy among video frames. This is done by first applying multiple partitional clustering to all frames of a video sequence and then selecting the most suitable clustering option(s) using an unsupervised procedure for cluster-validity analysis, In the last step, key frames are selected as centroids of obtained optimal clusters. Video shots, to which key frames belong, are concatenated to form the preview sequence.

引用

页码：1280 / 1289

页数：10

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