演播室背景是经典条文图案和林肯纪念碑。 奥普拉和她的嘉宾们花了很长时间讨论局势的变化。
In front of a classical backdrop with columns and an image of the Lincoln Memorial, Oprah and her guests spent their hour gushing over the change in regime.
采取非正式杆使用背景，颜色和演播室灯光，这本书就如何获得最佳的模式，是否构成或坦率人像。
From taking informal shots to using backgrounds, colours and studio lighting, this book contains advice on how to get the best from models, whether posed or candid portraits.
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.
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