电视节目制作中的虚拟演播室技术

虚拟演播室技术是利用计算机虚拟生成演播室内的道具和布景并将其与摄像机输出的前景信号合成。由于其具有有效利用演播室资源、布景搭建便捷、表现方式丰富等优点,近几年在电视节目制作中得到迅速推广。本文对虚拟演播室的原理及其包含的摄像机跟踪和传感、图像合成与定位、虚拟场景实时生成等核心技术作一介绍。

Virtual Studio System in TV Product

The Virtual Studio System technique can make use of computer creating dummy properties and scenes and it compose those stuffs and foreground signals come from camera in studios. The Virtual Studio System technique is developing quickly in the field of TV product for merits of using studio resource efficiently, reducing cost of building scene, rich and colorful representation and wide space of imagination and creation. This article will make an introduction on it's theory and the technique of track and senor of camera. images synthesis, Sensor-based Camera Tracking System and dummy scenes rendering.