An FFT-based technique for fast fractal image compression

Ramkumar, M. ; Anand, G. V. (1997) An FFT-based technique for fast fractal image compression Signal Processing, 63 (3). pp. 263-268. ISSN 0165-1684

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We present a new FFT-based technique of fractal image compression which can significantly speed up the process of matching domain and range blocks. In this method the isometric transformations of a domain block are chosen to permit block matching through cross correlation of range and domain blocks, which is implemented through the FFT. A suboptimal choice of domain blocks by performing a magnitude Fourier domain comparison of the range and domain blocks prior to correlation further speeds up the block matching process.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:71991
Deposited On:28 Nov 2011 05:01
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