2007•Journal of Shaanxi Normal UniversityRequires access

Research on image lossless compression method based on adaptive bit-level arithmetic coding

Dongmei Wu

Abstract

The characteristic of adaptive bit-level arithmetic coding is analyzed.Combination the integer wavelet transform and adaptive bit-level arithmetic coding,a lossless image compression is given by C language.The results show that compression rate reaches to 2.5,and this arithmetic uses integer addition and shifts to complete data compression and implementation with hardware is easy to do.It is applicable.

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Available abstract

Key concepts: Arithmetic coding, Lossless compression, Context-adaptive binary arithmetic coding, Arithmetic, Adaptive coding, Image compression, Context-adaptive variable-length coding, Data compression