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Efficient Adaptive Data Compression Using Fano Binary Search Trees

  • Luis Rueda
  • B. John Oommen
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3733)

Abstract

In this paper, we show an effective way of using adaptive self-organizing data structures in enhancing compression schemes. We introduce a new data structure, the Partitioning Binary Search Tree (PBST), which is based on the well-known Binary Search Tree (BST), and when used in conjunction with Fano encoding, the PBST leads to the so-called Fano Binary Search Tree (FBST). The PBST and FBST can be maintained adaptively and in a self-organizing manner by using new tree-based operators, namely the Shift-To-Left (STL) and the Shift-To-Right (STR) operators. The encoding and decoding procedures that also update the FBST have been implemented, and show that the adaptive Fano coding using FBSTs, the Huffman, and the greedy adaptive Fano coding achieve similar compression ratios.

Keywords

Compression Ratio Internal Node Binary Search Tree Arithmetic Code Left Child 
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 2005

Authors and Affiliations

  • Luis Rueda
    • 1
  • B. John Oommen
    • 2
  1. 1.School of Computer ScienceUniversity of WindsorWindsorCanada
  2. 2.School of Computer ScienceCarleton UniversityOttawaCanada

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