NDLI: Reconfigurable Implementation of Wavelet Integer Lifting Transforms for Image Compression

Content Provider	IEEE Xplore Digital Library
Author	Bishop, S.L. Rai, S. Gunturk, B. Trahan, J.L. Vaidyanathan, R.
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Louisiana State Univ., Baton Rouge, LA (Bishop, S.L.; Rai, S.; Gunturk, B.; Trahan, J.L.; Vaidyanathan, R.)
Abstract	Modern digital image processing requires powerful data compression algorithms to allow the data to be efficiently transferred from the host to end users (and back again). A typical 512times512 grayscale image of uncompressed data requires more than quarter of a million bytes. Current image compression standards like JPEG2000 and the FBI WSQ (wavelet scalar quantization) use wavelet transforms with quantization to compress still images, which reconstruct with high accuracy. This paper considers a number of popular 9/7 wavelet transform architectures. High level software models are developed for these transforms to validate their effectiveness. These software models are modified and evaluated as reversible integer wavelet lifting transforms. Further, using a virtual hardware design targeted to reconfigurable FPGA technology these transforms are implemented into a 2D discrete wavelet transform (DWT) image processor with DDR SDRAM operating at core speeds of 200+ MHz. Finally, our Matlab and Maple models perform the validation of wavelet lifting transforms
Sponsorship	IEEE Sect. Puebla/Mexico Celoxia Altera Synplicity
Starting Page	1
Ending Page	9
File Size	559622
Page Count	9
File Format	PDF
ISBN	1424406897
DOI	10.1109/RECONF.2006.307772
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-20
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelet transforms Image coding Digital images Data compression Transform coding Quantization Gray-scale Discrete wavelet transforms Mathematical model Image reconstruction
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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