A video stream management system for heterogeneous information integration environments
A video stream management system for heterogeneous information integration environments
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DOI：
10.1145/1352793.1352836
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发表时间：
2008-01
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影响因子：
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通讯作者：
Yousuke Watanabe;Ryo Akiyama;K. Ohki;H. Kitagawa
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文献类型：
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作者：
Yousuke Watanabe;Ryo Akiyama;K. Ohki;H. Kitagawa
Massive data streams are obtained from various types of sources such as sensors, GPS and live cameras.由于集成多个数据流和数据库的应用程序的需求不断增加，我们必须考虑异构信息源的集成框架。数字流和文本流的集成相对容易，但视频流和其他源的集成比较困难，因为视频流具有高频、大容量、复杂的二进制数据的特性。 Based on this background, we propose a video stream management system. The system provides a SQL-like query interface for heterogeneous information sources including video streams.为了集成视频流，我们采用抽象数据类型来保存视频帧的子序列和从视频数据中提取元数据的函数。 Beyond that, we also propose a dynamic source selection scheme for some applications, like moving object tracking with video streams. The scheme is used when information sources to be accessed may change according to changes in user interest.我们的系统动态地访问必要的信息源，并通过关闭与不必要的信息源的连接来节省系统资源。
Massive data streams are obtained from various types of sources such as sensors, GPS and live cameras. Since demand for applications integrating multiple data streams and databases is increasing, we must consider an integration framework for heterogeneous information sources. Integrating numeric and text streams is comparatively easy, but integrating video streams and other sources is difficult because of the properties of video streams: highly-frequent, largevolume and complex binary data. Based on this background, we propose a video stream management system. The system provides a SQL-like query interface for heterogeneous information sources including video streams. To integrate video streams, we employ an abstract data type to hold a subsequence of video frames and functions to extract metadata from video data. Beyond that, we also propose a dynamic source selection scheme for some applications, like moving object tracking with video streams. The scheme is used when information sources to be accessed may change according to changes in user interest. Our system dynamically accesses necessary information sources and saves system resources by closing connections to unnecessary information sources.