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一、概述随着图像信号处理和信号传输技术的应用,视频通信也得到了不断的发展。视频通信的概念不仅仅包括面对面通信中的图像传输,还包括互相交换资料、图纸,以及可视图文和数据信息。利用视频通信系统达到会议的目的,这就引伸出不同类型的会议,但它们都包含在电信会议(teleconferencing)这一总概念之中,如图1所示。
I. Overview With the application of image signal processing and signal transmission technology, video communication has also been continuously developed. The concept of video communications encompasses not only image transmission in face-to-face communication, but also the exchange of information, drawings, and visual graphics and data information. The use of video communication systems to achieve the purpose of a conference leads to different types of conferences, but they are all included in the general concept of teleconferencing, as shown in Figure 1.