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Comparative Study of Wavelets for Image Compression with Embedded Zerotree Algorithm

  • Vivek Kumar
  • Govind Murmu
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 470)

Abstract

This paper presents study of different wavelets using the Embedded Zerotree Wavelet (EZW) algorithm, and their performance is analyzed for the application of image compression. The EZW is specially designed algorithm which uses zero tree property of wavelet transformed image to arrange the coefficients. These coefficients gives the progressively improved image information in order to pre-determined threshold. We have used Haar, Daubechies, Bi-orthogonal, Coiflet, and Symlets to perform discrete wavelet transform of a grayscale image. The effect of wavelet families has been analyzed on test images using measuring parameter: mean square error (MSE), peak signal-to-noise ratio (PSNR), maximum error, and compression ratio (CR). It is observed that using EZW algorithm, Coiflet and Symlet wavelet families produce uniform results in terms of MSE and PSNR.

Keywords

Embedded Zerotree Wavelet (EZW) Discrete wavelet transform (DWT) Image compression Mean square error (MSE) Maximum error And peak signal-to-noise ratio (PSNR) Compression ratio (CR) 

Notes

Acknowledgements

Authors acknowledge the suggestions of reviewers to improve this paper. They also acknowledge IIT (ISM) Dhanbad for providing financial support to present this paper in esteemed conference.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  1. 1.Department of Electronics EngineeringIndian Institute of Technology (Indian School of Mines)DhanbadIndia

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