基于机械跟踪的虚拟演播室系统中摄像机校准和定位算法  

Camera Calibration and Initial Alignment in Virtual Studio Based on Electromechanical Tracking

作　　者：鲁敏[1] 匡纲要[1] 郁文贤[1] 

机构地区：[1]国防科技大学电子科学与工程学院,湖南长沙410073

出　　处：《国防科技大学学报》2004年第3期68-73,共6页Journal of National University of Defense Technology

摘　　要：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。分析了基于机械跟踪方式的虚拟演播室系统的结构特点和性能要求,提出了基于Tsai算法的虚拟演播室摄像机校准算法和基于主动配准的虚拟演播室摄像机初始定位算法。仿真和实际应用结果表明,算法操作简便,满足了虚拟演播室高精度定标的要求。One of the key issues of the virtual studio based on the electromechanical tracking is camera calibration and initial alignment. This paper analyzes the structure and request of the virtual studio based on the electromechanical tracking, and proposes flexible methods to calibrate and align the camera in the virtual studio based on the electromechanical tracking. Both simulated experiments and the real data are used to verify the methods. The results demonstrate that the proposed methods are easy to manipulate and satisfy the needs of the virtual studio system.

关 键 词：虚拟演播室 摄像机校准 摄像机定位 虚拟现实 机械跟踪 

分 类 号：TN94[电子电信—信号与信息处理]