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Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium最新文献

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Applying virtual reality in education: A prototypical virtual physics laboratory 虚拟现实在教育中的应用:一个虚拟物理实验室的原型
Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium Pub Date : 1900-01-01 DOI: 10.1109/VRAIS.1993.378261
R. Loftin, M. Engleberg, R. Benedetti
{"title":"Applying virtual reality in education: A prototypical virtual physics laboratory","authors":"R. Loftin, M. Engleberg, R. Benedetti","doi":"10.1109/VRAIS.1993.378261","DOIUrl":"https://doi.org/10.1109/VRAIS.1993.378261","url":null,"abstract":"A prototypical virtual physics laboratory has been constructed that allows students to control the laboratory environment as well as the physical properties of objects in that laboratory. Those environment factors that can be controlled in the current implementation include gravity (both magnitude and direction), surface friction, and atmospheric drag. The coefficients of restitution of elastic bodies can also be altered. Trajectories of objects can be traced to facilitate measurements. The laboratory allows students to measure both displacements and elapsed time. Time may be frozen to allow for precise observation of time-varying phenomena. This laboratory will ultimately be extended into the macroscopic and microscopic domains -giving students access to direct observations that were heretofore impossible. This new application of computer graphics in education has the potential to augment or replace traditional laboratory instruction with approaches that offer superior motivation, retention, and intellectual stimulation.<<ETX>>","PeriodicalId":426246,"journal":{"name":"Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133382343","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: 75
A user study comparing head-mounted and stationary displays 一项比较头戴式显示器和固定显示器的用户研究
Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium Pub Date : 1900-01-01 DOI: 10.1109/VRAIS.1993.378265
R. Pausch, M. Shackelford, D. Proffitt
{"title":"A user study comparing head-mounted and stationary displays","authors":"R. Pausch, M. Shackelford, D. Proffitt","doi":"10.1109/VRAIS.1993.378265","DOIUrl":"https://doi.org/10.1109/VRAIS.1993.378265","url":null,"abstract":"Head-mounted displays, as popularized by virtual reality systems, offer the opportunity to immerse a user in a synthetically generated environment. While there is much anecdotal evidence that this is a qualitative jump in the user interface, there is little quantitative data to establish that emersion improves task performance. The authors present the results of a user study: users performing a generic search task decrease task performance time by roughly half (42% reduction) when they change from a stationary display to a head-mounted display with identical properties (resolution, field-of-view, etc.). A second result is that users who practice with the head-mounted display reduce task completion time by 23% in later trials with the stationary display, suggesting a transfer effect.<<ETX>>","PeriodicalId":426246,"journal":{"name":"Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121917098","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: 114
What you see is what you hear-Acoustics applied in virtual worlds 你所看到的就是你所听到的——声学应用于虚拟世界
Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium Pub Date : 1900-01-01 DOI: 10.1109/VRAIS.1993.378256
P. Astheimer
{"title":"What you see is what you hear-Acoustics applied in virtual worlds","authors":"P. Astheimer","doi":"10.1109/VRAIS.1993.378256","DOIUrl":"https://doi.org/10.1109/VRAIS.1993.378256","url":null,"abstract":"Up to now virtual reality (VR) systems have emphasized visual graphics and display technology. With audio hardware and system software readily available it is now possible to take the next evolutionary step and use acoustic simulations to enhance virtual worlds. An audiovisual system addresses two important human senses and provides realistic impressions that are natural to the daily life and environment. The VR toolkit of IGD features several visual and acoustic renderers, which are applied by IGD's general purpose VR system \"Virtual Design\". Examples demonstrate several virtual audiovisual worlds.<<ETX>>","PeriodicalId":426246,"journal":{"name":"Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128498823","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: 31
Volume haptization 体积haptization
Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium Pub Date : 1900-01-01 DOI: 10.1109/VRAIS.1993.378268
Hiroo Iwata, H. Noma
{"title":"Volume haptization","authors":"Hiroo Iwata, H. Noma","doi":"10.1109/VRAIS.1993.378268","DOIUrl":"https://doi.org/10.1109/VRAIS.1993.378268","url":null,"abstract":"The authors describe haptic representation of volume data. Volume visualization is a powerful tool in the field of scientific visualization. However, visual representation of full three-dimensional volume is hard to comprehend because of occlusion. Higher-dimensional and multi-parameter data sets are also difficult to present by visual image. The authors propose methods for presentation of volume data by force sensation. A six degree-of-freedom force reflective master manipulator is used for haptization. The manipulator is combined to real-time visual image of volume data. Methods of haptic representation of scalar, vector, and tensor data are discussed. Recognition performance tests of scalar and multiparameter volume data are examined.<<ETX>>","PeriodicalId":426246,"journal":{"name":"Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128068103","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: 135
A virtual environment architecture 虚拟环境架构
Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium Pub Date : 1900-01-01 DOI: 10.1109/VRAIS.1993.378251
D. A. Southard, J.P. Lee, R. B. Mitchell, G. Grinstein
{"title":"A virtual environment architecture","authors":"D. A. Southard, J.P. Lee, R. B. Mitchell, G. Grinstein","doi":"10.1109/VRAIS.1993.378251","DOIUrl":"https://doi.org/10.1109/VRAIS.1993.378251","url":null,"abstract":"Part of MITRE's charter as a Federally Funded Research and Development Center (FFRDC) is to objectively evaluate and compare current technologies, and to recommend courses of action for numerous government programs. As such, the authors have been involved in assessing workstation, graphics, and user interface technology. They are currently developing a virtual environment architecture (VEA), to be used as a foundation for several prototype applications.<<ETX>>","PeriodicalId":426246,"journal":{"name":"Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127202619","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
Scientists in wonderland: A report on visualization applications in the CAVE virtual reality environment 仙境中的科学家:CAVE虚拟现实环境中的可视化应用报告
Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium Pub Date : 1900-01-01 DOI: 10.1109/VRAIS.1993.378262
C. Cruz-Neira, J. Leigh, M. Papka, C. Barnes, S.M. Cohen, S. Das, R. Engelmann, R. Hudson, T. Roy, L. Siegel, C. Vasilakis, T. DeFanti, D. Sandin
{"title":"Scientists in wonderland: A report on visualization applications in the CAVE virtual reality environment","authors":"C. Cruz-Neira, J. Leigh, M. Papka, C. Barnes, S.M. Cohen, S. Das, R. Engelmann, R. Hudson, T. Roy, L. Siegel, C. Vasilakis, T. DeFanti, D. Sandin","doi":"10.1109/VRAIS.1993.378262","DOIUrl":"https://doi.org/10.1109/VRAIS.1993.378262","url":null,"abstract":"The authors present the experiences at the Electronic Visualization Laboratory (EVL) in introducing computational scientists to the use of virtual reality as a research tool. They describe the virtual environment, the CAVE. They then describe several applications currently being developed at EVL using the CAVE and conclude with a discussion on possible research paths to follow in making virtual reality an effective tool for visualization.<<ETX>>","PeriodicalId":426246,"journal":{"name":"Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125070818","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: 171
Calibration and evaluation of virtual environment displays 虚拟环境显示器的校准和评估
Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium Pub Date : 1900-01-01 DOI: 10.1109/VRAIS.1993.378266
K. Nemire, S. Ellis
{"title":"Calibration and evaluation of virtual environment displays","authors":"K. Nemire, S. Ellis","doi":"10.1109/VRAIS.1993.378266","DOIUrl":"https://doi.org/10.1109/VRAIS.1993.378266","url":null,"abstract":"Designing safe and effective virtual environment (VE) systems requires human factors research to produce specifications for VE systems that are based on sensory and perceptual requirements necessary for optimal human performance. Part of this research requires establishing performance benchmarks, established in physical environments, with which to compare performance in virtual environments. The authors present two studies in which they used benchmarks based on two fundamental perceptual and motor components of spatial perception and orientation. (1) A virtual visual display was calibrated by comparing the accuracy of pointing to targets in physical and virtual environments. (2) The authors assessed the degree to which a VE represented a physical environment by comparing users' judgments of target direction in the two environments. They discuss implications of the research for the design of VEs.<<ETX>>","PeriodicalId":426246,"journal":{"name":"Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128890972","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: 14
Auditory distance perception by translating observers 翻译观察者的听觉距离感知
Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium Pub Date : 1900-01-01 DOI: 10.1109/VRAIS.1993.378257
Jon M. Speigle, J. Loomis
{"title":"Auditory distance perception by translating observers","authors":"Jon M. Speigle, J. Loomis","doi":"10.1109/VRAIS.1993.378257","DOIUrl":"https://doi.org/10.1109/VRAIS.1993.378257","url":null,"abstract":"The authors consider auditory distance perception of a moving observer and its relevance for the perception of stationary and moving sources. They begin with a review of some of the acoustic cues to source distance, focusing on the dynamic cues available under observer translation (motion parallax and acoustic tau). They report an experiment indicating the level of accuracy with which stationary and translating observers are able to localize stationary sources from 2 to 6 m away. Given the significant errors associated with these near distances, it would appear that the perceptual assessment of the 3-D trajectory of a real or virtual source, especially a distant one, is likely to be substantially in error. Even so, motion parallax and acoustic tau are informative about the relative motion between observer and source.<<ETX>>","PeriodicalId":426246,"journal":{"name":"Proceedings of 1993 IEEE Research Properties in Virtual Reality Symposium","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133015468","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: 75
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