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Lifting based discrete wavelet transform architecture for JPEG2000

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4 Author(s)
Chung-Jr Lian ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Kuan-Fu Chen ; Hong-Hui Chen ; Liang-Gee Chen

A lifting based 1-D discrete wavelet transform (DWT) core is proposed. It is re-configurable for 5/3 and 9/7 filters in JPEG2000. Folded architecture is adopted to reduce the hardware cost and achieve the higher hardware utilization. Multiplication is realized in hardwired multiplier with coefficients represented in canonic signed-digit (CSD) form. It is a compact and efficient DWT core for the hardware implementation of JPEG2000 encoder

Published in:

Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International Symposium on  (Volume:2 )

Date of Conference:

6-9 May 2001