Computer based images are normally provided in the form of large amounts of data on a pixel by pixel basis. Method and apparatus (25) are disclosed for converting this pixel based data (7,8,9-16,17) to spline based data (FIG. 5) wherein the characteristics present in the pixel based data are substantially...http://www.google.com.au/patents/US5454070?utm_source=gb-gplus-sharePatent US5454070 - Pixel to spline based region conversion method
