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Hybrid Wavelet-Fractal Image Coder Applied to Radiographic Images of Weld Defects

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Digital Information and Communication Technology and Its Applications (DICTAP 2011)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 166))

Abstract

Fractal image compression has the advantage in term of its ability to provide a very high compression ratio. Discrete wavelet transform (DWT) retains frequency as well as spatial information of the signal. These structural advantages of the DWT schemes can lead to better visual quality for compression at low bitrate. In order to combine the advantages of wavelet and fractal coding, many coding schemes incorporating fractal compression and wavelet transform have been developed. In this work we evaluate a hybrid wavelet-fractal coder for image compression, and we test its ability to compress radiographic images of weld defects. A comparative study between the hybrid wavelet-fractal coder and pure fractal compression technique have been made in order to investigate the compression ratio and corresponding quality of the image using peak signal to noise ratio.

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Author information

Authors and Affiliations

  1. Signal and Image Processing Laboratory, Centre de Recherche en Soudage et Controle, Route de Dely Brahim, BP 64, Cheraga, 16800, Algeria

    Faiza Mekhalfa

  2. Electronic Department, Ecole Nationale Polytechnique, 10, Avenue Hassen Badi, BP 182, El, Harrach, 16200, Algeria

    Daoud Berkani

Authors
  1. Faiza Mekhalfa
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  2. Daoud Berkani
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Editor information

Editors and Affiliations

  1. LE2I, UMR, CNRS 5158, Faculté des Sciences Mirande, 9 , avenue Alain Savary, BP 47870, 21078, DIJON, France

    Hocine Cherifi

  2. Faculty of Computer Systems and Software Engineering, Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300, Gambang, Kuantan, Pahang, Malaysia

    Jasni Mohamad Zain

  3. Information Systems Department, King Saud University, 11543, Riyadh, Saudi Arabia

    Eyas El-Qawasmeh

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© 2011 Springer-Verlag Berlin Heidelberg

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Mekhalfa, F., Berkani, D. (2011). Hybrid Wavelet-Fractal Image Coder Applied to Radiographic Images of Weld Defects. In: Cherifi, H., Zain, J.M., El-Qawasmeh, E. (eds) Digital Information and Communication Technology and Its Applications. DICTAP 2011. Communications in Computer and Information Science, vol 166. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21984-9_62

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  • DOI: https://doi.org/10.1007/978-3-642-21984-9_62

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-21983-2

  • Online ISBN: 978-3-642-21984-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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