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Three-level parallel high speed architecture for EBCOT in JPEG2000

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2 Author(s)
N. Li ; Center for Adv. Comput. Studies, Louisiana Univ., Lafayette, LA, USA ; M. Bayoumi

A multi-level parallel high speed architecture for embedded block coding with optimized truncation (EBCOT) tier-1 in JPEG2000 is proposed. To increase the system throughput, this architecture adopts three levels of parallelism: 1) parallelism among bit-planes - all the bit-planes can be processed simultaneously; 2) parallelism among three pass scannings - three passes scan one bit-plane in parallel; 3) parallelism among coding bits - bits that are coded in different passes can be coded simultaneously without any conflict. Experimental results show that the proposed architecture can encode one code block with size N×N in only 0.6×N×N clock cycles, and is twice as fast as the fastest architecture in the literature so far.

Published in:

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

Date of Conference:

18-23 March 2005