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.
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.
详细分析研究了多摄像机人体跟踪系统中的关键技术和相关算法。
The main works are described as following:1. Analyzing and studying the key techniques and correlative algorithms in multiple cameras human tracking system in detail.
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