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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.4 P.596-604


SimWall: a practical user-friendly stereo tiled display wall system

Author(s):  XIE Li-jun, ZHENG Yao, YANG Ting-jun, GAO Wen-xuan, PAN Ning-he

Affiliation(s):  School of Computer Science and Center for Engineering and Scientific Computation, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   zdxlj@zju.edu.cn, yao.zheng@zju.edu.cn

Key Words:  Tiled display wall, Stereoscopic display, Multi-projectors display, Parallel rendering, Camera-based geometry and photometric calibration

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 A, 2007, 8(4): 596-604.

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DOI - 10.1631/jzus.2007.A0596

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 software environment.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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