The defects of traditional color key technology are analyzed. The structure, working process and some relevant key techniques of the prevalent virtual studio system are especially analyzed.
分析了传统色键抠像技术的缺点，着重对目前比较流行的虚拟演播室系统的结构、工作过程以及所涉及到的一些关键技术进行了分析。
Virtual studio system is a new TV program production system which combines computer virtual reality technology with traditional studio color key switchover technology.
虚拟演播室系统是计算机虚拟现实与传统演播室色键抠像技术相结合的一种新的电视节目制作系统。
The paper introduces the technology of virtual studio and analyzes and explains some corresponding knowledge and problems in building the studio system.
文章介绍了虚拟演播室技术，并就构建虚拟演播室系统所涉及的相关知识及问题作了简要的分析和说明。
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