Fractal Image Compression with Adaptive Quadtree Partitioning and Lossless Encoding on the Parameters of Affine Transformations

Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 340)

Abstract

This paper proposes two ways to improve the compression ratio achieved by Fractal image compression. During subdivision of the input image into range and domain blocks, Adaptive Quadtree Partitioning is used. During the final save, the parameters of the affine transforms of the fractal compressed images are losslessly compressed using two methods—once by Modified Region Based Huffman (MRBH) coding, and another time by its variant, MRBHM. The proposed techniques offer much better compression ratios most of the time, keeping PSNRs unchanged. However, compression time of the proposed techniques are significantly more than their counterparts.

Keywords

Fractal compression AQP MRBH MRBHM IFS PIFS 

Notes

Acknowledgment

The authors would like to thank CST Department, University of Kalyani and CS Department, Bangabasi College, for providing the infrastructures.

References

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Copyright information

© Springer India 2015

Authors and Affiliations

  1. 1.Vidyasagar UnivesityMidnaporeIndia
  2. 2.University of KalyaniKalyaniIndia

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