A New Paradigm for the Recording of Shared Whiteboard Streams


Hilt, Volker ; Geyer, Werner ; Effelsberg, Wolfgang


URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=1...
Document Type: Conference or workshop publication
Year of publication: 2000
Book title: Multimedia computing and networking 2000 / [IS&T/SPIE Conference on Multimedia Computing and Networking 2000], 24 - 26 January 2000, San Jose, California
The title of a journal, publication series: Proceedings of SPIE
Volume: 3969
Page range: 154-164
Author/Publisher of the book
(only the first ones mentioned)
:
Nahrstedt, Klara
Place of publication: Bellingham, Wash.
Publishing house: SPIE
ISBN: 0-8194-3587-2
Publication language: English
Institution: School of Business Informatics and Mathematics > Praktische Informatik IV (Effelsberg -2017)
Subject: 004 Computer science, internet
Abstract: The number of video conferences conducted over the Internet has constantly increased during the last years. The need to archive the multimedia data streams of the conferences became apparent, and a number of tools accomplishing this task for audio and video streams were developed. In many video conferencing scenarios, shared whiteboards are used in addition to audio and video to transmit slides or to sketch ideas. However, none of the existing recording tools provides an efficient recording service for data streams of these tools. In this paper we present a new approach to the recording and playback of shared whiteboard media streams. We discuss generic design issues of a shared whiteboard recorder, and we present a novel algorithm that enables efficient random access to the recorded streams. We describe an implementation of our algorithms for the media streams of our digital lecture board (dlb).

Dieser Eintrag ist Teil der Universitätsbibliographie.




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Hilt, Volker ; Geyer, Werner ; Effelsberg, Wolfgang A New Paradigm for the Recording of Shared Whiteboard Streams. Nahrstedt, Klara Proceedings of SPIE 3969 154-164 In: Multimedia computing and networking 2000 / [IS&T/SPIE Conference on Multimedia Computing and Networking 2000], 24 - 26 January 2000, San Jose, California (2000) Bellingham, Wash. [Conference or workshop publication]


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