Broadcast news navigation using story segmentation

Abstract

In this paper we examine tire developed techniques and lessons learned in an operational multimedia exploitation system, Broadcast News Editor (BNE) and Broadcast News Navigator (BNN). BNE captures, analyzes, annotates, segments, summarizes, and stores broadcast news audio, video and textual data within tlte context of multimedia database system BNN provides web based retrieval tools from the multimedia database system. TJle key innovation of this system is the detection and segmentation of story segments from the multimedia broadcast stream. TJtis paper discusses: . TJte utility of using story segments to discover broadcast news stories of interest . Tlte textual, video, and audio cues used for story segment detection . Teclmiques developed for identifying story segments . Details of tlte operational BNE and BNN system BNE and BNN are currently used every evening at MJTRE’s Multimedia Researclz Lab and to this point have automatically processed over 6011 news stories from over 349 broadcasts of CNN Prime News ‘t?