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Proceedings IEEE Virtual Reality 2000 (Cat. No.00CB37048)最新文献

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Virtual Fekete point configurations: a case study in perturbing complex systems 虚拟Fekete点配置:摄动复杂系统中的一个案例研究
Proceedings IEEE Virtual Reality 2000 (Cat. No.00CB37048) Pub Date : 2000-03-18 DOI: 10.1109/VR.2000.840498
R. V. Liere, J. D. Mulder, J. Frank, Jacques de Swart
{"title":"Virtual Fekete point configurations: a case study in perturbing complex systems","authors":"R. V. Liere, J. D. Mulder, J. Frank, Jacques de Swart","doi":"10.1109/VR.2000.840498","DOIUrl":"https://doi.org/10.1109/VR.2000.840498","url":null,"abstract":"Virtual environments have shown great promise as a research tool in science and engineering. In this paper, we study a classical problem in mathematics: that of approximating globally optimal Fekete point configurations. We found that a highly interactive virtual environment, combined with a time-critical computation, can provide valuable insight into the symmetry and stability of Fekete point configurations. We believe that virtual environments provide more natural interfaces to complex systems, allowing users to perceive, interpret and interact with the problem more rapidly.","PeriodicalId":375299,"journal":{"name":"Proceedings IEEE Virtual Reality 2000 (Cat. No.00CB37048)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123909878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Virtual roller coaster 虚拟过山车
Proceedings IEEE Virtual Reality 2000 (Cat. No.00CB37048) Pub Date : 2000-03-18 DOI: 10.1109/VR.2000.840502
Zen-Chung Shih, Yuh-Sen Jaw, Mei-Ling Hsu
{"title":"Virtual roller coaster","authors":"Zen-Chung Shih, Yuh-Sen Jaw, Mei-Ling Hsu","doi":"10.1109/VR.2000.840502","DOIUrl":"https://doi.org/10.1109/VR.2000.840502","url":null,"abstract":"Roller coasters are an attractive, adventurous and exciting form of entertainment. In this paper, we present a virtual roller coaster system, which includes roller coaster simulation software, a motion platform and a motion control unit. We investigate the track structure of the roller coaster and propose a methodology to generate the track automatically. We also simulate the forces exerted on the running carriage to give the user the impression he/she is riding a real roller coaster. A motion platform with two degrees of freedom is constructed using hydraulic cylinders for its actuators. An electronic circuit is designed to allow the motion platform to communicate with the host computer. We also provide flexibility for changing the track type and the surrounding scenery, in order to give the rider a variety of exciting experiences. This system also considers safety concerns in the design of the motion platform.","PeriodicalId":375299,"journal":{"name":"Proceedings IEEE Virtual Reality 2000 (Cat. No.00CB37048)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133415030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Adjusting the difference between 3D spaces in VR systems and human perception through object manipulation 通过对象操作调整VR系统中3D空间与人类感知的差异
Proceedings IEEE Virtual Reality 2000 (Cat. No.00CB37048) Pub Date : 2000-03-18 DOI: 10.1109/VR.2000.840487
K. Kakusho, Jun Kitawaki, S. Hagihara, M. Minoh
{"title":"Adjusting the difference between 3D spaces in VR systems and human perception through object manipulation","authors":"K. Kakusho, Jun Kitawaki, S. Hagihara, M. Minoh","doi":"10.1109/VR.2000.840487","DOIUrl":"https://doi.org/10.1109/VR.2000.840487","url":null,"abstract":"This paper describes a task-oriented approach to cope with the difference between the three dimensional (3D) space in a virtual reality (VR) system and that perceived by the user from its stereoscopic images with binocular disparity. This difference occurs for the reason that human visual perception is affected not only by binocular disparity but also by various kinds of visual cues. Although it is possible to set some of those cues consistent with each other when they are presented by a stereoscopic display, it is difficult to do the same for other cues especially vergence and focus. As the result, the users of VR systems often fail to manipulate virtual objects due to this difference. In this article, we propose to adjust the virtual space in a VR system through object manipulation by the user so that the user does not fail in each manipulation. We verified by experiments that this adjustment is effective to improve the rate of successful manipulation.","PeriodicalId":375299,"journal":{"name":"Proceedings IEEE Virtual Reality 2000 (Cat. No.00CB37048)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131139310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Immersive planar display using roughly aligned projectors 沉浸式平面显示使用大致对齐的投影仪
Proceedings IEEE Virtual Reality 2000 (Cat. No.00CB37048) Pub Date : 2000-03-18 DOI: 10.1109/VR.2000.840488
R. Raskar
{"title":"Immersive planar display using roughly aligned projectors","authors":"R. Raskar","doi":"10.1109/VR.2000.840488","DOIUrl":"https://doi.org/10.1109/VR.2000.840488","url":null,"abstract":"When a projector is oblique with respect to a planar display surface, it creates keystoning and the projected image is distorted. We present a rendering technique to display perspectively correct images for a moving user. This allows using roughly aligned projectors and eliminates the need for frequent electro-mechanical adjustments. The rendering process has no additional cost and can be implemented with traditional graphics hardware. We compute the collineation induced due to the display plane during preprocessing. The main idea of the paper is to use this collineation to render and warp the images of 3D scenes in a single pass via approximation of the depth buffer. We also describe how this method can be extended to display systems with multiple overlapping projectors. This technique can be easily used in CAVE, Immersive Workbenches and PowerWalls.","PeriodicalId":375299,"journal":{"name":"Proceedings IEEE Virtual Reality 2000 (Cat. No.00CB37048)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129308701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 136
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