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Fractal block coding of images

Fractal block coding of images

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© The Institution of Electrical Engineers
Published

An original method is presented for the efficient fractal approximation of rectangular grey-scale image blocks. Its application to the block coding of images is applied to standard test images, and compared to ADCT coding. Fractal coding by this method is relatively efficient and holds promise for applications in which low computational cost is a priority.

Inspec keywords: encoding; decoding; picture processing; fractals

Other keywords: fractal approximation; rectangular grey-scale image blocks; low computational cost; block coding; image processing

Subjects: Optical information, image and video signal processing; Codes; Pattern recognition

References

    1. 1)
      • M.F. Barnsley . Fractal functions and interpolation. Constructive Approximation , 303 - 329
    2. 2)
      • Dudbridge, F.: `Image approximation by self affine fractals', 1992, PhD Thesis, University of London.
    3. 3)
      • M.F. Barnsley . (1988) , Fractals everywhere.
    4. 4)
      • J.E. Hutchinson . Fractals and self similarity. Indiana University J. Mathematics , 713 - 747
    5. 5)
      • Jacquin, A.E.: `A novel fractal block coding technique for digital images', Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing, 1990, p. 2225–2228.
    6. 6)
      • Monro, D.M., Dudbridge, F., Wilson, A.: `Deterministic rendering of self-affine fractals', IEE Colloq. on Fractal Techniques in Image Processing, December 1990.
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