Searching and Browsing a Shared Video Database.pdf

Searching and Browsing a Shared Video Database Rune Hjelsvold Roger Midtstraum and Olav Sandst a Norwegian Institute of Technology Department of Computer Systems and Telematics frhjrogerolavsa gidtunitno Abstract for searching and browsing The goal for this work VideoSTAR Video STorage A nd Retrieval is an has b een to try to organise metadata in ways that experimental video database system that gives support will allow the user to control the degree of informa for sharing and r euse of video and metadata In this tion sharing and to develop a set of op erations that p aper we discuss the need for a user to control the de can b e used to formulate queries gree of metadata sharing when searching and browsing The VideoSTAR Data Mo del a shared video database and we pr opose a way of or The VideoSTAR data mo del which is more thor ganising metadata to al low such functionality This oughly discussed in is designed to provide users p aper also presents a video query algebra utilizing the and applications of the VideoSTAR database with the way metadata are organised that al lows the user to necessary supp ort of storage retrieval and sharing of formulate temp oral queries on the video contents Audio and video recordings stored media seg In the last part of the p aper we discuss the use of ments which are stored only once When relevant the proposed concepts and the query algebra for video it is p ossible to explicitly dene relations b etween querying and browsing Here we pr esent