Flow media search system in teleteaching domain based on MPEG-7

An MPEG-7, distance teaching technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as non-compliance with international standards, no support for streaming media retrieval, and poor system portability.
CN1487451AInactive Publication Date: 2004-04-07SHANGHAI JIAO TONG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI JIAO TONG UNIV
Publication Date
2004-04-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention belongs to the field of multimedia application technology. The flow media search system in teleteaching domain based on MPEG-7 has characteristic extracting / storing end and flow media intermediate, the characteristic extracting and storing end is connected to the flow media intermediate via calling ADO data base and RTP / RTSP flow media transmission protocol, and the flow media intermediate is connected to client end via RTP / RTSP flow media transmission protocol and TCP / IP network. The characteristic extracting / creating / storing end completes the automatic characteristic extraction and the manual labeling; and the flow media intermediate converts the inquiry of the client end into the XQuery syntax inquiry to XML data base. The client end provides the users with convenient multimode inquiry interface, records user's information and sends the inquiry request and personal file to the flow media intermediate.
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Description

technical field

[0001] The invention relates to a streaming media retrieval system in the field of distance teaching, in particular to a streaming media retrieval system in the field of distance teaching based on MPEG-7 (the Chinese professional term is "multimedia content description interface"), belonging to the field of multimedia application technology. Background technique

[0002] The current development of multimedia technology has led to a rapid increase in the available multimedia data. However, how to extract useful information from these multimedia contents and construct a practical system has become a recognized problem. The biggest obstacle is the lack of a simple, understandable and extensible multimedia description to construct efficient, extensible and scalable multimedia application. Such as: After searching, it is found that the U.S. Patent No. US2003103675, the patent name is "Multimedia information retrieval method, program, record medium and system (met...

Claims

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