| 摘要 |
A method for requesting intra-refreshing in a video telephone communication system is provided. The method includes checking, by a reception apparatus, a sequence number and a Cyclic Redundancy Check (CRC) for received video packet data to detect presence of a packet loss; decoding the received video packet data to check frame type information; generating a control signal for requesting intra-refreshing in accordance with the checked frame type information and the sequence number; and transmitting the generated control signal for requesting intra-refreshing to a transmission apparatus.
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