The use of asymmetric numeral systems as an accurate replacement for Huffman coding

@article{Duda2015TheUO,
  title={The use of asymmetric numeral systems as an accurate replacement for Huffman coding},
  author={Jarek Duda and Khalid Tahboub and Neeraj Gadgil and Edward J. Delp},
  journal={2015 Picture Coding Symposium (PCS)},
  year={2015},
  pages={65-69}
}
Entropy coding is an integral part of most data compression systems. Huffman coding (HC) and arithmetic coding (AC) are two of the most widely used coding methods. HC can process a large symbol alphabet at each step allowing for fast encoding and decoding. However, HC typically provides suboptimal data rates due to its inherent approximation of symbol probabilities to powers of 1 over 2. In contrast, AC uses nearly accurate symbol probabilities, hence generally providing better compression… CONTINUE READING
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