High performance JPEG 2000 and MPEG-4 VTC on SMPs using OpenMP

Authors:
Roland Norcen;Andreas Uhl
Affiliations:
Department of Scientific Computing, University of Salzburg, Jakob Haringer Strasse 2, A-5020 Salzburg, Austria;Department of Scientific Computing, University of Salzburg, Jakob Haringer Strasse 2, A-5020 Salzburg, Austria
Venue:
Parallel Computing - OpenMp
Year:
2005

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Abstract

JPEG 2000 and MPEG-4 Visual Texture Coding (VTC) are both wavelet-based and state of the art in still image coding. In this paper we show sequential as well as parallel strategies for speeding up two selected implementations of MPEG-4 VTC and JPEG 2000 using the popular shared memory programming paradigm OpenMP. Furthermore, we discuss the sequential and parallel performance of the improved versions and compare the efficiency of both algorithms.