An efficient accelerating architecture for tier-1 coding in JPEG2000
2004
In this paper, we propose an efficient accelerating architecture for tier-1 coding in JPEG2000. The coding-passes-parallel method is introduced in our architecture to accelerate the encoding. A novel architecture named the scan-window is employed to make it convenient to encode three coding passes in the parallel mode. Therefore, three coding passes can be encoded using one time of bit-plane scan. The processing time can be reduced by more than 70% compared to the traditional serial coding passes processing architecture. Additionally, a pipelined architecture for an MQ coder is proposed to improve the throughout. The architecture has been implemented in SMIC 0.18 /spl mu/m CMOS technology.
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