摄像机校准和初始定位是基于机械跟踪的虚拟演播室系统的关键技术之一。
One of the key issues of the virtual studio based on the electromechanical tracking is camera calibration and initial alignment.
目前，影视系拥有摄像机五套，非线性编辑-八套，演播室一个，剪辑工作室两个，并有相对完善的照明、录音等教学设备。
Now the Department has five sets of cameras, eight non-linear editing machines, one acting studio, two editing studios, some lighting and recording equipment and other teaching facilities.
首先介绍了虚拟演播室技术的几个关键：摄像机跟踪系统，蓝背景和虚拟背景，键信号处理与图像合成以及计算机系统；
This paper introduced several keys of virtual studio technology, such as camera tracing system, blue scenery and virtual scenery, key signal transact and picture synthesis.
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