A pixel filling system or method begins with an initial set of image data that is a subset of data values in a data array fk,l representing data values at corresponding positions (k,l). Some of the fk,l values are initially undefined, while others, at positions where both k and l are even numbers, have...http://www.google.ca/patents/US6496608?utm_source=gb-gplus-sharePatent US6496608 - Image data interpolation system and method