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video Indexing and Its Application to On-line Multimedia Encyclopedia

Video Indexing and Its Application to On-line Multimedia Enc...

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The 1st International Conference on Graphic Communications

作者： Tzong-Der Wu Chia-Wen Tai Dept. of Information ＆ Communication Chinese Culture University55Hwa-Kang RoadYang-Ming-ShanTaipei 111 TaiwanR.O.C Dept. of Information ＆ Communication Chinese Culture University55Hwa-Kang RoadYang-Ming-ShanTaipei 111 TaiwanR.O.C

＜正＞Due to the continuous advances of multimedia network technology and the rapid growth of internet bandwidth, people can access the data of multimedia in internet much quickly and conveniently. However, the text-based image retrieval system provided by the internet now a day does not satisfy people in searching multimedia information. They need a visual retrieval mode which is more directly perceived through the human senses. The traditional on-line encyclopedia is formed with many texts and static images. The on-line multimedia encyclopedia adds a large number of stream video files. However, a prepositional work of film editing will consume lots of manpower and money. In this research, we try to use the video shots detection system to do the semi-automatic video analysis to gather the construction of video and rapidly create a video index. We also can apply this technology to the digital multimedia publishing environment by utilizing the Microsoft Asp. net framework. Then we build a simple video metadata database and video streams sever and we use video shots index to enhance the efficiency of video retrieval. To build the video metadata which conform the standard （ MPEG-7） can help us effectively retrieve the content of video parts. We can apply this technology in multicast broadcast service in internet. The client user can browse the video index and retrieve the metadata to select the video segments which they are interested in. Then the websever transmits these specific video segments to client user. Besides, the user actively participates the annotation of metadata is helpful to reduce arbitrary error. Some metadata can be easily or rapidly generated in the automatic analyzing process, while others are resulted from explicit effort of the semi-automatic metadata generation.

关键词： content-based video retrieval key-frame metadata encyclopedia Online

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