FIDP: a novel architecture for lifting-based 2d DWT in JPEG2000

Authors:
Bao-Feng Li;Yong Dou
Affiliations:
National Lab for Parallel and Distributed Processing, NUDT, Changsha, Hunan Province, P.R. China;National Lab for Parallel and Distributed Processing, NUDT, Changsha, Hunan Province, P.R. China
Venue:
MMM'07 Proceedings of the 13th International conference on Multimedia Modeling - Volume Part II
Year:
2007

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Abstract

In this paper, we propose a deeply parallel architecture called Fragment-based Interleaving Dual Pipelines(FIDP) which can exploit all parallelisms in Lifting-based 2D DWT algorithm. FIDP adopts a fragment-based samples consumption policy and consists of two row processors and two column processors. These processors are organized as interleaving dual pipelines to operate effectively. FIDP takes N2/4+N/2+1 cycles to finish a N×N 2D DWT while requires only 5N+2 buffer.