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Concurrent systolic architecture for high-throughput implementation of 3-dimensional discrete wavelet transform

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2 Author(s)
Mohanty, B.K. ; Dept. of Electron. &Commun. Eng., Jaypee Inst. of Eng. & Technol., Guna ; Meher, P.K.

In this paper, we present a novel systolic architecture for high-throughput computation of 3-dimensional (3-D) discrete wavelet transform (DWT). The entire 3-D DWT computation is decomposed into three distinct stages and implemented concurrently in a linear array of fully pipelined processing elements (PE). The proposed structure for 3-D DWT provides higher throughput than the existing architecture; and involves nearly half or less the number of multipliers and adders; and less on-chip memory (when normalized for unit throughput rate) than the other. Most importantly, the proposed one does not require any frame buffer unlike the other to perform inter-frame DWT computation. The proposed structure has a small latency and can perform 3-D DWT computation with 100% hardware unitization efficiency.

Published in:

Application-Specific Systems, Architectures and Processors, 2008. ASAP 2008. International Conference on

Date of Conference:

2-4 July 2008

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