| 摘要 |
Methods are provided for transmitting video data from a first user device to a second user device. The video data are received as a sequence of frames from the first user device at a video-transmission system. A portion of a first frame in the sequence of frames is identified as having information redundant with a portion of a second frame in the sequence of frames. The redundant information is stripped from one of the first and second frames. The stripped frame is substituted into a modified sequence of frames, which is transmitted with the video-transmission system to the second user device.
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