| 摘要 |
The invention discloses a technology of video communication, especially a method, a application system and a terminal for correcting the gamma characteristic of the interactive communicating signal between terminals, for solving the problem in prior art that there is no universal correcting method in any number of gamma characteristic processes of the two sides communication. The method includes the following steps of: before the communication or in the process of establishing the communication, the both sides of communication negotiate to decide whether to perform correction according to the correcting ability information of the both sides of communication, if perform correction, choose one of them as the correction performing terminal to correct the gamma characteristic of the interactive signal between the both sides, or both of them as the correction performing terminals to correct the signal from the other side respectively; or not to perform correction, therein, the both sides of communication could negotiate directly or negotiate to arbitrate through a central server. When using the central server to arbitrate, the correction system includes correcting module and central server linked to the correcting module set in the terminal.
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