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Memory efficient JPEG2000 architecture with stripe pipeline scheme

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5 Author(s)
Hung-Chi Fang ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Yu-Wei Chang ; Chih-Chi Cheng ; Chen, Chun-Chia
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The memory issue is the most critical problem for a high performance JPEG2000 architecture. The tile memory occupies more than 50% of the area in conventional JPEG2000 architectures. To solve this problem, we propose a stripe pipeline scheme. For this scheme, a level switch discrete wavelet transform (LS-DWT) and a code-block switch embedded block coding (CS-EBC) are proposed. With small additional memory, the LS-DWT and the CS-EBC can process multiple levels and code-blocks in parallel by an interleaved scheme. As a result, the overall memory requirements of the proposed architecture can be reduced to only 8.5% compared with conventional architectures.

Published in:

Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05). IEEE International Conference on  (Volume:5 )

Date of Conference:

18-23 March 2005