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发明授权
CN101031091B 视频通信终端校正视频流伽玛特性的方法及设备 失效 - 权利终止

视频通信终端校正视频流伽玛特性的方法及设备
摘要：
本发明涉及视频通信技术，特别涉及视频通信终端在本地校正视频流伽玛特性的方法及设备，以解决现有技术中无法在通信终端侧对视频流的伽玛特性进行本地校正的问题。所述方法包括输出本地视频流时，将本地视频流的伽玛值校正为第一目标伽玛值后输出；和/或接收伽玛值为所述第一目标伽玛值的入向视频流时，将入向视频流的伽玛值校正为本地显示设备伽玛值的倒数后传输给本地视频显示设备；和/或显示本地视频流时，将本地视频流的伽玛值校正为本地视频显示设备伽玛值的倒数后传输给本地视频显示设备。所述设备包括保存视频输入设备和/或视频显示设备的伽玛参数信息的模块和校正模块。应用本发明所述方法可以方便实现伽玛特性的本地校正。
摘要（英）：

The invention is used for solving the issue existed in currently-used technology that is the GAMA character of video stream can't be locally corrected at communication terminal. The method thereof comprises: when outputting local video stream, the GAMA value of local video stream is corrected as the first target GAMA value, which is outputted; when receiving the incoming video stream whose GAMA value is the first target GAMA value, the GAMA value of the incoming video stream is corrected as the reciprocal of local display device; then transmitting it to the local display device; when displaylocal video stream, the GAMA value of local video stream is corrected as the reciprocal of local display device; then transmitting it to the local video display device. The apparatus thereof comprises: a module for saving the GAMA parameters of the video inputting device and the video displaying device, and a correction module.

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