Patent ID: 6606746
Filing Date: 2003-08-12
Classification: G06T,H04N

Abstract:
A method for displaying graphical elements in a video system, wherein the video system comprises a video delivery system for providing video content, and at least one receiving device including a display screen, wherein the receiving device is coupled to the video delivery system, said method comprising:the video delivery system: providing a compressed background picture comprising a plurality of slices, wherein said plurality of slices includes a subset of one or more replacement slices configured to be replaced by slices of an insert picture, said replacement slices being positioned in the background picture where an insert picture is to appear; and providing one or more compressed insert pictures, each said insert picture comprising one or more slices, and wherein at least one of said compressed insert pictures represents at least a portion of a graphical element; the receiving device: receiving said compressed background picture and said one or more compressed insert pictures; decoding first slices of said plurality of slices of said background picture, responsive to determining said first slices are non-replacement slices; discarding second slices of said plurality of slices of said background picture, responsive to determining said second slices are replacement slices; decoding third slices corresponding to a first insert picture of said insert pictures; and displaying said decoded first and third slices concurrently.