基于机电传感的虚拟课堂演播室系统的研究

作为虚拟课堂演播室系统的核心技术,摄像机定位与跟踪技术是目前研究的热点。针对图形识别方式的摄像机定位跟踪系统存在着数据处理时间长、视频延时量较大等缺点,提出虚拟课堂应采用机电传感方式实现摄像机的定位与跟踪。分析摄像机镜头校准的方法,给出了机电传感跟踪流程和精度依据,并对系统主机获取运动参数方式给出设计思路。该方案具有摄像机的定位跟踪几乎没有延迟、参数精确可靠等优势,是虚拟课堂演播室较为合适的定位跟踪方式。

Research of virtual class studio system based on the electromechanical sensing

As the virtual class studio system core technology, camera positioning and tracking technology is a hot topic at present. Graphics identification camera positioning and tracking system has data processing time is long, a large amount of video delay. Virtual class should be used for electromechanical sensing mode to realize the camera positioning and tracking. Analysis of the camera calibration method, gives the electrical sensor tracking process and precision based on. The scheme has the camera positioning and tracking with little delay, parameter precise and reliable advantage. This is a virtual class studio more appropriate positioning and tracking method.