Depixelizing Pixel Art http://johanneskopf.de/publications/pixelart/paper/pixel.pdf http://johanneskopf.de/publications/pixelart/paper/pixel.pdf I think this

Depixelizing Pixel Art http://johanneskopf.de/publications/pixelart/paper/pixel.pdf http://johanneskopf.de/publications/pixelart/paper/pixel.pdf I think this paper is very cute and also technically interesting.