I don't have any description of Fractal scaling algorithm. Technique described at previous message is based only upon my ideas and knowledges from research articles and books (Yuval Fisher - "Fractal Image Compression", Stephen Welstead - "Fractal and Wavelet Image Compression Techniques"). The algorithm used in Genuine Fractals program (by OnOne Software Inc.) is patented and unknown to me.
About comparing and capabilities.
There are a lot of comparisons of different image scaling algorithms in the web. For example:
It has a big advantage comparing with bilinear and bicubic algorithms.
The algorithm can scale "up" and "down", user simply should specify new resolution.
Regards, Alexander Beloborodov.
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