| Sim Wall： a practical user-friendly stereo tiled display wall system |
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| 作者姓名： | XIE Li-jun ZHENG Yao YANG Ting-jun GAO Wen-xuan PAN Ning-he |
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| 作者单位： | School of Computer Science and Center for Engineering and Scientific Computation，Zhejiang University，Hangzhou 310027，China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China for Distinguished Young Scholars (No. 60225009)，the Major Research Plan of China (No. 90405003) |
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| 摘 要： | SimWall is a user-friendly, stereo tiled display wall system composed of 18 commodity projectors operated by a Linux graphics cluster. Collaborating together, these projectors work as a single logical display capable of giving a high-resolution show, large-scale, and passive stereo scene. In order to avoid tedious system setup and maintenance, software-based automatic geometry and photometric calibration are used. The software calibration is integrated to the system seamlessly by an on-card transform method and is transparent to users. To end-users, SimWall works just as a common PC, but provides super computing, rendering and displaying ability. In addition, SimWall has stereoscopic function that gives users a semi-immersive experience in polarized passive way. This paper presents system architecture, implementation, and other technical issues such as hardware constraints, projectors alignment, geometry and photometric calibration, implementation of passive stereo, and development of overall soft- ware environment.
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| 关 键 词： | SimWall 拼接显示墙系统 用户友好型 立体显示 多投影仪显示 |
| 收稿时间： | 2006-09-11 |
| 修稿时间： | 2006-12-04 |
SimWall: a practical user-friendly stereo tiled display wall system |
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| XIE Li-jun ZHENG Yao YANG Ting-jun GAO Wen-xuan PAN Ning-he.SimWall: a practical user-friendly stereo tiled display wall system[J].Journal of Zhejiang University Science,2007,8(4):596-604. |
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| Authors: | Xie Li-jun Zheng Yao Yang Ting-jun Gao Wen-xuan Pan Ning-he |
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| Institution: | (1) School of Computer Science and Center for Engineering and Scientific Computation, Zhejiang University, Hangzhou, 310027, China |
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| Abstract: | SimWall is a user-friendly, stereo tiled display wall system composed of 18 commodity projectors operated by a Linux graphics cluster. Collaborating together, these projectors work as a single logical display capable of giving a high-resolution show, large-scale, and passive stereo scene. In order to avoid tedious system setup and maintenance, software-based automatic geometry and photometric calibration are used. The software calibration is integrated to the system seamlessly by an on-card transform method and is transparent to users. To end-users, SimWall works just as a common PC, but provides super computing, rendering and displaying ability. In addition, SimWall has stereoscopic function that gives users a semi-immersive experience in polarized passive way. This paper presents system architecture, implementation, and other technical issues such as hardware constraints, projectors alignment, geometry and photometric calibration, implementation of passive stereo, and development of overall soft- ware environment. |
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| Keywords: | Tiled display wall Stereoscopic display Multi-projectors display Parallel rendering Camera-based geometry and photometric calibration |
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