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Analysis of EBCOT decoding algorithm and its VLSI implementation for JPEG 2000

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

Embedded block coding with optimized truncation (EBCOT) is the entropy coding algorithm adopted by the new still image compression standard JPEG 2000. It is composed of a multi-pass fractional bit-plane context scanning along with an arithmetic coding procedure. GPP (general purpose processor) or DSP fails to accelerate this kind of bit-level operation, which is proven to occupy most of the computational time of the JPEG 2000 system. In this paper, two new accelerating schemes are proposed and applied to our prototyping design which turns out to be powerful enough to fulfill the demand of computational requirement of the most advanced digital still camera.

Published in:

Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on  (Volume:4 )

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