Summary

WebClip is a prototype for editing/browsing compressed video over the World Wide Web. It uses a general system architecture to store, retrieve, and edit MPEG-1 or MPEG-2 compressed video over the network. WebClip is a Web application built on the Compressed Video Editing, Parsing, and Search (CVEPS) technology developed at Columbia University.

The unique features of WebClip include compressed- domain video editing, content-based video retrieval, multi-resolution access, and a distributed network architecture. The compressed-domain approach has great synergy with the network editing environment, in which compressed video sources are retrieved and edited to produce new compressed video content.

WebClip includes several major components. The video content aggregator collects video sources online from distributed sites. The video content analyzer includes programs for automatic extraction of visual features from MPEG videos in the compressed domain. Video features and extracted icon streams are stored online in the server database. The editing engine and the search engine include programs for rendering special effects and processing visual queries issued by users.

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http://www.ctr.columbia.edu/webclip

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Last updated: June 12, 2002.