Patent ID: 9237347
Filing Date: 2016-01-12
CPC Classification: H04N

Claim Text:
1. A video communication system comprising: a first electronic device operably couplable to a second electronic device enabled to receive and display video data, the first electronic device being configured to transmit video having a plurality of frames, each frame of the plurality of frames having a plurality of macroblocks, each macroblock having a plurality of pixels, and wherein the first electronic device includes a video encoder having a coding control sub-system configured to refresh a first segment of a first plurality of macroblocks of a first frame of the plurality of frames, refresh a second segment of a second plurality of macroblocks of a second frame of the plurality of frames, determine, by consulting a bitmap table, whether there are any of a plurality of macroblocks of a first segment of the second frame encoded with data from an unrefreshed macroblock of the first frame, and refresh the macroblocks of the first segment of the second frame that are marked to be refreshed; wherein the bitmap table stores a status of each macroblock, and wherein the status of a macroblock is listed as to be refreshed when at least one pixel of the macroblock contains unrefreshed or contaminated data; and wherein a period of time, M wherein a number of intra-segments, Col