Patent ID: 9467659
Filing Date: 2016-10-11
CPC Classification: H04N

Claim Text:
1. A method of processing a sequence of frames of multimedia data, the method comprising: selecting a first portion of a first frame of the sequence; refreshing the first portion by intra-coding the first portion; selecting at least one second portion of a second frame of the sequence, wherein the at least one second portion entirely covers and extends beyond an area of the second frame that is co-located with the first portion; refreshing the at least one second portion by coding the at least one second portion based on data associated with the refreshed first portion; dynamically selecting at least one third portion of a third frame; and refreshing the at least one third portion by coding the at least one third portion based on data associated with the refreshed first portion or the refreshed second portion, wherein the at least one second portion and the at least one third portion are optionally used as reference data for subsequent frames.