One of the key issues of the virtual studio based on the electromechanical tracking is camera calibration and initial alignment.
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。
In the software design the gyro's drift measure and the process of calibration is added. The Kalman filtering technique is used in the horizontal initial alignment and the azimuth initial alignment.
在软件设计中加入了陀螺仪的测漂和定标过程，在水平初始对准、方位初始对准过程中运用了卡尔曼滤波技术。
应用推荐