labs.boramalper.org/pixelationer

Some painters transform a yellow spot into the sun, others transform red and green spots into the sun.
Not Pablo Picasso

Block Size: 4 SuperBlock Ratio: 2
Values less than 4 might be really slow.

How it works?

  1. pixelationer divides the image into so-called SuperBlocks.
  2. Colours of the all pixels in each SuperBlock is averaged (using simple arithmetic mean in RGB colour model).
  3. Each SuperBlock is then filled in random order with blocks (i.e. big pixels) of given size with colours red, green and blue.
    1. Although, pixelationer assures that the amount of red, green, and blue blocks are either equal or almost equal to each other (the difference cannot be greater than r mod 3; otherwise pixelationer would have used each colour once more).