Used simulated annealing to minimize: (neighbor pixel color distance)^2 + Const (color distance to the target)^2 where I used Const = 4. The method works best for Seurat portrait for obvious reason, and worst for Rubens (my apology for desecrating his work).
Some preliminary article on the method I used is here: http://d.hatena.ne.jp/ita/20100222/p1
All original images are from wikimedia commons. From left to right, top to bottom: Gogh, Gauguin, Miro, Monet, Seurat, Cezanne, Hokusai, Leonardo da Vinci, Mucha, Chagall, Manet, Renoir, Rubens, Dali, Millet, Picasso, Seurat.
Date | |
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Colors | 16,777,216 |
Pixels | 16,777,216 |
Dimensions | 4,096 × 4,096 |
Bytes | 18,291,069 |