Patent ID: 7003061

Claim:
A method for masking a foreground portion from a background portion of a digital video, the method comprising: receiving a first input defining a first border region that includes a border between a foreground portion and a background portion of a first digital image, the first digital image being one of a sequence of digital images defining a digital video, the first border region further including only a part of the foreground portion and only a part of the background portion, the border consisting of pixels that include contributions from the foreground portion and the background portion; receiving a second input defining a second border region that includes the border in a second digital image, the second digital image being another one of the sequence of digital images, the second border region further including only a part of the foreground portion and only a part of the background portion; interpolating between the first and second border regions to define an intermediary border region for an image intermediary in the sequence to the first and second digital images; and using the first, second, and intermediary border regions for masking the foreground portion from the background portion in the digital video.