Improved Adaptive Arithmetic Coding in MPEG-4 AVC/H.264 Video Compression Standard

  • Damian Karwowski
Conference paper
Part of the Advances in Intelligent and Soft Computing book series (AINSC, volume 102)


An Improved Adaptive Arithmetic Coding is presented in the paper to be applicable in contemporary hybrid video encoders. The proposed Adaptive Arithmetic Encoder makes the improvement of the state-of-the-art Context-based Adaptive Binary Arithmetic Coding (CABAC) method that is used in the new worldwide video compression standard MPEG-4 AVC/H.264. The improvements were obtained by the use of more accurate mechanism of data statistics estimation and bigger size context pattern relative to the original CABAC. Experimental results revealed bitrate savings of 1.5% - 3% when using the proposed Adaptive Arithmetic Encoder instead of CABAC in the framework of MPEG-4 AVC/H.264 video encoder.


Video Compression Video Encoder Arithmetic Code Syntax Element Test Video Sequence 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Damian Karwowski
    • 1
  1. 1.Chair of Multimedia Telecomunications and MicroelectronicsPoznan University of TechnologyPoland

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