Patent ID: 6525741
Filing Date: 2003-02-25
Classification: G06T,H04N

Abstract:
A method of compositing a foreground scene and a background scene, comprising:evaluating each of a plurality of foreground pixels in the foreground scene; for each of the foreground pixels, determining if the foreground pixel is included within an edge between a subject and a backing in the foreground scene, the backing including a key color; and if the foreground pixel is included within the edge: scaling up the foreground pixel into a plurality of foreground subpixels; scaling up a background pixel, at a corresponding location in the background scene, into a plurality of background subpixels; for each of the foreground subpixels, determining if a color of the foreground subpixel matches the key color; if the foreground subpixel matches the key color, replacing the foreground subpixel with a corresponding background subpixel; and after determining if each of the foreground subpixels matches the key color, scaling down the foreground subpixels to a corresponding new foreground pixel.