NDLI: An Efficient Architecture for Lifting-Based Forward and Inverse Discrete Wavelet Transform

Content Provider	IEEE Xplore Digital Library
Author	Aroutchelvame, S.M. Raahemifar, K.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Ryerson Univ., Toronto, Ont. (Aroutchelvame, S.M.; Raahemifar, K.)
Abstract	In this research, an architecture that performs both forward and inverse lifting-based discrete wavelet transform is proposed. The proposed architecture reduces the hardware requirement by exploiting the redundancy in the arithmetic operation involved in DWT computation. The proposed architecture does not require any extra memory to store intermediate results. The proposed architecture consists of predict module, update module, address generation module, control unit and a set of registers to establish data communication between predict and update modules. The symmetrical extension of images at the boundary to reduce distorted images has been incorporated in our proposed architecture as mentioned in JPEG2000. This architecture has been described in VHDL at the RTL level and simulated successfully using ModelSim simulation environment
Starting Page	816
Ending Page	819
File Size	225364
Page Count	4
File Format	PDF
ISBN	0780393317
DOI	10.1109/ICME.2005.1521548
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-06
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discrete wavelet transforms Computer architecture Arithmetic Transform coding Hardware Image coding Filters Convolution Filtering Communication system control JPEG 2000 Lifting DWT DWT architecture
Content Type	Text
Resource Type	Article

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