Forward-flipping architecture for lifting-based discrete wavelet transform

Xin Tian; Delie Ming; Jinwen Tian; Jiaolong Wei

doi:10.1117/1.3558741

1 March 2011 Forward-flipping architecture for lifting-based discrete wavelet transform

Xin Tian, Delie Ming, Jinwen Tian, Jiaolong Wei

Author Affiliations +

Optical Engineering, Vol. 50, Issue 3, 037005 (March 2011). https://doi.org/10.1117/1.3558741

Abstract

This paper illustrates a forward-flipping architecture for lifting-based discrete wavelet transform (DWT), in which the multiplication and addition operations are flipped to different computation paths in each lifting step through forward-flipping, and the critical path of each lifting step is shortened to one multiplication operation latency. Through case studies on the JPEG2000 default lossy (9,7) filter and the (6,10) filter, the efficiency of the proposed architecture has been demonstrated and confirmed. The comparison results have also shown that the proposed architecture is efficient in reducing the number of pipeline registers for the implementation of DWT under the given timing criteria.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Xin Tian, Delie Ming, Jinwen Tian, and Jiaolong Wei "Forward-flipping architecture for lifting-based discrete wavelet transform," Optical Engineering 50(3), 037005 (1 March 2011). https://doi.org/10.1117/1.3558741

Published: 1 March 2011

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KEYWORDS

Discrete wavelet transforms

Thulium

Computer architecture

Very large scale integration

Image compression

Optical engineering

Wavelets

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