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Word-Level Parallel Architecture of JPEG 2000 Embedded Block Coding Decoder

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5 Author(s)

This paper presents a word-level decoding architecture of embedded block coding in JPEG 2000. This architecture decodes one coefficient per cycle based on the proposed word-level decoding algorithm. This algorithm eliminates state variable memories by decoding all bit-planes in parallel. The proposed column- switching scan order overcomes intra bit-plane dependency and inter bit-plane dependency to enable parallel processing. Implementation results show that the proposed architecture is capable of decoding 54 MSamples/s at 54 MHz, which can support HDTV 720p (1280 times 720, 4:2:2) decoding at 30 frames/s.

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Multimedia, IEEE Transactions on  (Volume:9 ,  Issue: 6 )