Abstract
The most important goal of virtual reality is to create a virtual world by computers where users are allowed to view the environment and control the virtual objects interactively. Traditionally, virtual reality systems use 3D computer graphics to model and render a virtual environment in real time. However, this approach usually requires laborious modeling and expensive special-purpose rendering hardware. Image-based rendering is a new approach in composing a virtual environment in which a set of panoramic images is used to compose the virtual environment and walking in the space is accomplished by “hopping” to different panoramic points. This paper introduces an experimental image-based VR system. The techniques utilized in the system, in particular the authoring and interactive control tools of the system, are described in detail.
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This research work is supported by the National Natural Science Foundation and National Hi-Tech Program (863) of China.
Cai Yong received the B.S. degree from Tsinghua University and M.S. degree from Institute of Software, Chinese Academy of Sciences, in 1993 and 1996 respectively. Now he is a Ph.D. candidate in Iowa State University of USA.
Heng Phengann received the Ph.D. degree from Indiana Univ. of USA in 1992. He is now an Assistant Professor in Chinese Univ. of Hong Kong.
Wu Enhua graduated from Tsinghua Univ. in 1970 and received the Ph.D. degree from Univ. of Manchester of UK in 1984. Now he is a Professor of Institute of Software, Chinese Academy of Sciences and Univ. of Macau.
Liu Xuehui received the Ph.D. degree from Institute of Software, Chinese Academy of Sciences in 1997. Now she is an Assistant Professor in Institute of Software.
Li Hongju is now a Ph.D. candidate in Institute of Software.
Sun Qingjie received the M.Sc. degree from Institute of Software in 1998.
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Cai, Y., Heng, P., Wu, E. et al. An image-based virtual reality prototype system. J. of Comput. Sci. & Technol. 13, 475–480 (1998). https://doi.org/10.1007/BF02948507
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DOI: https://doi.org/10.1007/BF02948507