There was a cool SIGGRAPH 2011 paper from Johannes Kopf from Microsoft Research ...

adunk on Aug 3, 2012 | parent | context | favorite | on: Pixel art and the art of preserving pixel size

There was a cool SIGGRAPH 2011 paper from Johannes Kopf from Microsoft Research and Dani Lischinski from The Hebrew University that presents a new pixel scaling algorithm that really takes pixel scaling to a whole new level. Check it out here: http://research.microsoft.com/en-us/um/people/kopf/pixelart/