Fractal Transform Compression
Start with a digital image A1. Downsample it by a factor of 2 to produce image A2. Now, for each block B1 of 4x4 pixels in A1, find the corresponding block B2 in A2 most similar to B1, and then find the grayscale or RGB offset and gain from A2 to B2. For each destination block, output the positions of the source blocks and the color offsets and gains.
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Famous quotes containing the words transform and/or compression:
“He had said that everything possessed
The power to transform itself, or else,
And what meant more, to be transformed.”
—Wallace Stevens (1879–1955)
“Do they [the publishers of Murphy] not understand that if the book is slightly obscure it is because it is a compression and that to compress it further can only make it more obscure?”
—Samuel Beckett (1906–1989)