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Proceedings Paper

Scalable multiple descriptions on packets networks via the n-dimensional Mojette transform
Author(s): Benoit Parrein; Pierre Verbert; Nicolas Normand; Jeanpierre V. Guedon
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Paper Abstract

The Mojette transform is a discrete projector generating bins from ixels (information elements) values. The initial bitstream is first rearranged into a 2D or n-dimensional box of ixels. Each bin value (belonging to a (n-1)-dimensional projection) is computed as the XOR addition of ixels belonging to a discrete line which fix the projection direction. The major advantage of this transform is the linear complexity (both in the number of ixels and the number of projections) for encoding and decoding. Each packet contains a projection, and additional projections can be computed without slowing the network flow. The size of this n-dimensional buffer is tuned according to the real- time constraints and to the desired packet size.

Paper Details

Date Published: 27 July 2001
PDF: 10 pages
Proc. SPIE 4524, Quality of Service over Next-Generation Data Networks, (27 July 2001); doi: 10.1117/12.434360
Show Author Affiliations
Benoit Parrein, Institut de Recherche en Communication et Cybernetique de Nantes (France)
Pierre Verbert, Institut de Recherche en Communication et Cybernetique de Nantes (France)
Nicolas Normand, Institut de Recherche en Communication et Cybernetique de Nantes (France)
Jeanpierre V. Guedon, Institut de Recherche en Communication et Cybernetique de Nantes (France)


Published in SPIE Proceedings Vol. 4524:
Quality of Service over Next-Generation Data Networks
Mohammed Atiquzzaman; Mahbub Hassan, Editor(s)

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