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A VLSI Design of Discrete Wavelet Transform and Scalar Quantization for JPEG2000 CODEC  

이경민 (전남대학교 전자공학과)
김영민 (전남대학교 전자공학과)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.40, no.1, 2003 , pp. 45-51 More about this Journal
Abstract
JPEG200, a new international standard for still image compression based on wavelet and bit-plane coding techniques, is developed. In this paper, we design the DWT(Discrete Wavelet Transform) and quantizer for JPEG2000 CODEC. DWT handles both lossy and lossless compression using the same transform-based framework: The Daubechies 9/7 and 5/3 transforms, and quantizer is implemented as SQ(Scalar Quantization). The architecture of the proposed DWT and SQ are synthesized and verified using Xilinx FPGA technology. It operates up to 30MHz, and executes algorithms of wavelet transform and quantization for VGA 10 frame per second.
Keywords
JPEG2000; DWT; Wavelet; Scalar quantizer;
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