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The parallel algorithm of 2-D discrete wavelet transform

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2 Author(s)
Dake He ; Res. Center for Secure Application in Networks & Commun., Southwest Jiaotong Univ., Chengdu, China ; Wenfang Zhang

We discuss a new parallel algorithm of 2-D discrete wavelet transform (DWT) using MPI_Scatterv and MPI_Gatherv (MPI: Message Passing Interface). Here the 2-D sequential Daubechies discrete wavelet transform program is first decomposed into several 1-D transforms, and then the parallel conversion is made on them. This parallel program has already been successfully implemented on the dawning parallel computer system, and experimental results show that high performance and pretty flexibility can be achieved.

Published in:
Parallel and Distributed Computing, Applications and Technologies, 2003. PDCAT'2003. Proceedings of the Fourth International Conference on

Date of Conference: 27-29 Aug. 2003

Page(s):
738 - 741
Print ISBN:
0-7803-7840-7
INSPEC Accession Number:
7861126
Digital Object Identifier :
10.1109/PDCAT.2003.1236403
Product Type:
Conference Publications

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