Ramkumar, M and Anand, GV (1997) An FFT-based technique for fast fractal image compression. In: Signal Processing, 63 (3). pp. 263-268.
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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:||Journal Article|
|Additional Information:||Copyright of this article belongs to Elsevier Science.|
|Keywords:||Fractal image compression;block matching;FFT-based technique.|
|Department/Centre:||Division of Electrical Sciences > Electrical Communication Engineering|
|Date Deposited:||21 Jul 2009 10:15|
|Last Modified:||19 Sep 2010 05:01|
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