| 虚拟演播室:结构及关键技术 |
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| 引用本文： | 齐 越,胡晓峰,张茂军.虚拟演播室:结构及关键技术[J].中国图象图形学报,2000,5(6):457-460. |
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| 作者姓名： | 齐 越 胡晓峰 张茂军 |
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| 作者单位： | 国防科技大学系统工程与数学系!长沙410073(齐越，张茂军)，国防大学!北京100091(胡晓峰) |
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| 摘 要： | 色键是传统电视节目制作中常用的技术，虚拟演播室是在此基础上发展而来的，它是用计算机生成的替换蓝色背景，并运用计算机技术和视频合成技术，使演可可以在虚拟的场景中“表演”，与虚拟对象（如卡通动物等）“交互”，真正实现虚实结合，这时 重讨论虚拟演播室系统的结构以及关键技术。
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| 关 键 词： | 虚拟演播室 色键 虚拟现实 背景绘制 视频合成 |
| 收稿时间： | 8/5/1999 12:00:00 AM |
| 修稿时间： | 1999-08-05 |
Virtual Studio:Structure and Key Technology |
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| QI Yue,HU Xiao-feng and ZHANG Mao-jun.Virtual Studio:Structure and Key Technology[J].Journal of Image and Graphics,2000,5(6):457-460. |
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| Authors: | QI Yue HU Xiao-feng and ZHANG Mao-jun |
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| Affiliation: | Department of Systems Engineering and Mathematics of National University of Defense Technology,Changsha 410073;National Defense University,Beijing100091;Department of Systems Engineering and Mathematics of National University of Defense Technology,Changsha 410073 |
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| Abstract: | Virtual Studio uses computer generated scene as its background. It applies computer technology and video compositing technology to combine the actors and the virtual scene seamlessly, and gives audience a full new vision effect. It brings up a revolution to video making. The structure of Virtual Studio system includes three parts:camera tracking, background rendering and video compositing. Its key technology consists of camera tracking, camera switching and focusing, blue room design and background rendering, synchronization and compositing, etc. This paper addresses the structure, technology and some problems of Virtual Studio. |
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| Keywords: | Virtual studio Chromakey Virtual reality Background rending Camera tracking Compositing |
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