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Efficient Rate Control for Lossless Mode of JPEG2000

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2 Author(s)
Jicheng An ; Coll. of Inf. Sci. & Eng., Central South Univ., Changsha ; Zixing Cai

This letter introduces a simple yet efficient rate control method, which is designed for lossless mode of JPEG2000. This method uses a fractional upward shift of bitplane to simulate more precise subband weighting. Compared to the previous integer upward shift of the bitplane, it achieves superior performance at most bit-rates without the cost of increased computational complexity.

Published in:

Signal Processing Letters, IEEE  (Volume:15 )