We describe a novel algorithm for extracting a resolution-independent vector representation from pixel art images, which enables magnifying the results by an arbitrary amount without image degradation. [Seguir leyendo]

Fuente: http://research.microsoft.com/en-us/um/people/kopf/pixelart/index.html
Ejemplos: http://research.microsoft.com/en-us/um/people/kopf/pixelart/supplementary/multi_comparison.html
Paper: http://research.microsoft.com/en-us/um/people/kopf/pixelart/paper/pixel.pdf