New paradigm for the recording of shared whiteboard streams

Volker Hilt; Werner Geyer; Wolfgang Effelsberg

doi:10.1117/12.373518

27 December 1999 New paradigm for the recording of shared whiteboard streams

Volker Hilt, Werner Geyer, Wolfgang Effelsberg

Proceedings Volume 3969, Multimedia Computing and Networking 2000; (1999) https://doi.org/10.1117/12.373518
Event: Electronic Imaging, 2000, San Jose, CA, United States

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.

Citation Download Citation

Volker Hilt, Werner Geyer, and Wolfgang Effelsberg "New paradigm for the recording of shared whiteboard streams", Proc. SPIE 3969, Multimedia Computing and Networking 2000, (27 December 1999); https://doi.org/10.1117/12.373518

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