A system is provided for selecting a foreground region of an image, given a set of pixels defining the boundary of the foreground region of the image. The system includes a component to determine a foreground value (F) and opacity value (a) for each pixel on the set wherein a is determined via a subpixel...http://www.google.fr/patents/US6839463?utm_source=gb-gplus-shareBrevet US6839463 - System and method providing subpixel-edge-offset-based determination of opacity
System and method providing subpixel-edge-offset-based determination of opacity
