Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization最新文献

筛选
英文 中文
The cognitive impact of head tracking latency in immersive simulations 沉浸式模拟中头部跟踪延迟的认知影响
Giorgos Papadakis, K. Mania
{"title":"The cognitive impact of head tracking latency in immersive simulations","authors":"Giorgos Papadakis, K. Mania","doi":"10.1145/1620993.1621030","DOIUrl":"https://doi.org/10.1145/1620993.1621030","url":null,"abstract":"This research presents an immersive Virtual Environment (VE) of minimum tracking latency. Subsequently, we quantify the cognitive impact of head-tracking latency by investigating the effect of latency on spatial cognition, awareness states and mental imagery. Both the quantification of perceptual sensitivity to latency and description of the mechanism by which VE latency is perceived and controlled will be essential to guide system countermeasures such as predictive compensation.","PeriodicalId":89458,"journal":{"name":"Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization","volume":"78 1","pages":"136"},"PeriodicalIF":0.0,"publicationDate":"2009-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74211865","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: 0
Visualizations for locomotor learning with real time feedback in VR 在VR中实时反馈运动学习的可视化
Andrew Nanapragasam, A. Pelah, J. Cameron, Joan Lasenby
{"title":"Visualizations for locomotor learning with real time feedback in VR","authors":"Andrew Nanapragasam, A. Pelah, J. Cameron, Joan Lasenby","doi":"10.1145/1620993.1621033","DOIUrl":"https://doi.org/10.1145/1620993.1621033","url":null,"abstract":"The use of real time visual feedback within a virtual reality (VR) environment has received support as a method for rehabilitation [Holden 2005; Fung et al. 2006] of mainly upper body movements in motor-compromised patients. However, research into practical applications offering guidance on how best to present visual feedback to the patient is limited, especially for activity intended to aid the restoration of mobility by walking [Wellner et al. 2008]. This study firstly introduces a paradigm for step training using rendered representations of a subject's foot positions in a simple VR stepping task; and secondly, compares the effects of viewpoint in enhancing locomotor learning for the development of methods for stroke rehabilitation and related applications using VR.","PeriodicalId":89458,"journal":{"name":"Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization","volume":"2 1","pages":"139"},"PeriodicalIF":0.0,"publicationDate":"2009-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82350780","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: 2
Is seeing a virtual environment like seeing the real thing? 看虚拟环境和看真实环境一样吗?
Dinara Moura, B. Riecke
{"title":"Is seeing a virtual environment like seeing the real thing?","authors":"Dinara Moura, B. Riecke","doi":"10.1145/1620993.1621025","DOIUrl":"https://doi.org/10.1145/1620993.1621025","url":null,"abstract":"Immersive virtual environments (IVE) are increasingly used in both fundamental research like experimental psychology and applications such as training, phobia therapy, or entertainment. Ideally, people should be able to perceive and behave in such IVEs as naturally and effectively as in real environments --- especially if real-world transfer is desired. Being inherently mobile species, enabling natural spatial orientation and cognition in IVEs is essential. Here, we investigated whether seeing a virtual environment has a similar effect on our spatial cognition and mental spatial representation as a comparable real-world stimulus does -- if it does not, how could we assume real-world transfer?","PeriodicalId":89458,"journal":{"name":"Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization","volume":"10 1","pages":"131"},"PeriodicalIF":0.0,"publicationDate":"2009-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84340071","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: 2
Adding head tracking to desktop virtual reality with the Wii remote as an aid to spatial cognition 通过Wii遥控器将头部跟踪添加到桌面虚拟现实中,以辅助空间认知
Matthew D. Calderwood, Jonathan W. Kelly, T. McNamara, Bobby Bodenheimer
{"title":"Adding head tracking to desktop virtual reality with the Wii remote as an aid to spatial cognition","authors":"Matthew D. Calderwood, Jonathan W. Kelly, T. McNamara, Bobby Bodenheimer","doi":"10.1145/1620993.1621019","DOIUrl":"https://doi.org/10.1145/1620993.1621019","url":null,"abstract":"Desktop virtual reality (VR) provides a more economical and ubiquitous way to present virtual reality to people, at the cost of a significant amount of immersion. Our study explores the addition of a low-cost head-tracking system to a desktop VR system and its impact on spatial cognition. The head-tracking system is used to provide a more 3D-like interface to VR by providing parallax and allowing user access to a larger visual field than is provided by the limited viewing angle of the display monitor. Such an interface, while not providing a full set of vestibular cues, may provide enough additional information to improve spatial learning.","PeriodicalId":89458,"journal":{"name":"Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization","volume":"62 1","pages":"125"},"PeriodicalIF":0.0,"publicationDate":"2009-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90798104","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
Distance perception in virtual environments: a closer look at the horizon and the error 虚拟环境中的距离感知:更近距离地观察地平线和误差
B. Sanders, T. Rasor, G. Narasimham
{"title":"Distance perception in virtual environments: a closer look at the horizon and the error","authors":"B. Sanders, T. Rasor, G. Narasimham","doi":"10.1145/1620993.1620995","DOIUrl":"https://doi.org/10.1145/1620993.1620995","url":null,"abstract":"Distances are systematically underestimated in the virtual environments. In this work we explore the possibility of shifting the angular the angular declination from the horizon as a way of manipulating perceived distances in a head-mounted display (HMD). We find that shifting the horizon upward 11.5° upward does not have an effect on distance perception. Blind walking tasks at 1.5m, 2.5m, 3.5m, 4.5m and 5.5m show an overestimation of perceived distances less than 2.5m and an underestimation of perceived distances greater than 3.5m. Absolute distance and errors in estimating distance are linearly related.","PeriodicalId":89458,"journal":{"name":"Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization","volume":"38 1","pages":"7-10"},"PeriodicalIF":0.0,"publicationDate":"2009-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79279105","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: 16
Factors influencing the choice of projection textures for displaying layered surfaces 影响显示分层表面的投影纹理选择的因素
A. Bair, D. House, C. Ware
{"title":"Factors influencing the choice of projection textures for displaying layered surfaces","authors":"A. Bair, D. House, C. Ware","doi":"10.1145/1620993.1621014","DOIUrl":"https://doi.org/10.1145/1620993.1621014","url":null,"abstract":"We report on an experiment designed to examine the effect of type and size of projection textures on the ability of human subjects to correctly estimate the surface normal on each of two terrain-like layered surfaces. Normal estimation was determined by the ability to correctly orient a probe so that it is aligned with the normal local to the surface to which it is attached. All presentations were optimized for layered surface viewing, being displayed on a high resolution stereoscope and with a rocking motion to provide motion cues. Three texture types were examined, each at both coarse and fine scales. One texture consisted of random dots, containing no consistent structural pattern. The other two texture types provided structure in two orthogonal directions, with one being a regular square grid, and the other parallel hatch marks arranged in ranks to form perceptual lines orthogonal to the hatches. The experiment demonstrates that structured patterns, indicating shape in two orthogonal directions, are superior to random dots. Using a grid on the bottom layer significantly improves perception of the bottom surface. However, between grids and hatches, there is no other statistically significant evidence that using differing texture type or scale across the two surfaces enhances the ability to estimate shape.","PeriodicalId":89458,"journal":{"name":"Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization","volume":"31 1","pages":"101-108"},"PeriodicalIF":0.0,"publicationDate":"2009-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80798682","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: 8
Investigating the effect of real-time stylisation techniques on user task performance 调查实时程式化技术对用户任务性能的影响
Niall Redmond, J. Dingliana
{"title":"Investigating the effect of real-time stylisation techniques on user task performance","authors":"Niall Redmond, J. Dingliana","doi":"10.1145/1620993.1621017","DOIUrl":"https://doi.org/10.1145/1620993.1621017","url":null,"abstract":"In this paper, we present a perceptual experiment whose results aid the creation of non-photorealistic rendering (NPR) styles which can positively affect user task performance in real-time scenes. In a visual search task designed to test people's perception of abstracted scenes, different types of stylisation are used to investigate how reaction times can be affected. We show how NPR techniques compare against non-stylised renderings, compare the effectiveness of different styles, determine how varying each style can affect performance and investigate how these styles perform with objects of varying complexity. The results show that NPR can be a useful tool for increasing the saliency of target objects while reducing the visual impact of the rest of the scene. However, it is also shown that the success of each style depends largely on the scene context and also on the level of stylisation used. We believe the results from this study can help in the creation of effective NPR styles in the future. Supplementary material can be found at http://isg.cs.tcd.ie/skrbal/redmond/.","PeriodicalId":89458,"journal":{"name":"Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization","volume":"140 1","pages":"121-124"},"PeriodicalIF":0.0,"publicationDate":"2009-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77630797","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: 9
Analyzing animated representations of complex causal semantics 分析复杂因果语义的动画表示
Nivedita R. Kadaba, Pourang Irani, Jason Leboe
{"title":"Analyzing animated representations of complex causal semantics","authors":"Nivedita R. Kadaba, Pourang Irani, Jason Leboe","doi":"10.1145/1620993.1621009","DOIUrl":"https://doi.org/10.1145/1620993.1621009","url":null,"abstract":"Causal relationships are inherent in the world around us and are intrinsic to our decision making process. Michotte's Theory of Ampliation suggests that the perception of causality can be enhanced under appropriate spatiotemporal conditions. We extended this theory and proposed that simple static and animated designs, based on structural and temporal rules, enable the perception of complex causal semantics, such as additive, mediated, and bidirectional causalities. Results of our experiment showed that participants were ~5% more accurate and ~8% faster with the animations, than with the static representations. Overall our results show that animations that are designed based on perceptual rules assist the comprehension of complex causal relations.","PeriodicalId":89458,"journal":{"name":"Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization","volume":"77 1","pages":"77-84"},"PeriodicalIF":0.0,"publicationDate":"2009-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81114288","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
On predicting visual popping in dynamic scenes 预测动态场景中的视觉弹出
Michael Schwarz, M. Stamminger
{"title":"On predicting visual popping in dynamic scenes","authors":"Michael Schwarz, M. Stamminger","doi":"10.1145/1620993.1621012","DOIUrl":"https://doi.org/10.1145/1620993.1621012","url":null,"abstract":"Popping is a major source of visual artifacts in dynamic scenes. To alleviate or avoid it, usually some temporal smoothing scheme is employed or levels of detail are chosen conservatively based on geometric deviation measures. In this paper, we consider the actual perceptibility of popping artifacts and its prediction. We first discuss several issues affecting popping perception, pointing out its complexity. Introducing some simplifying assumptions, we then present a practical perceptually-motivated predictor for popping. It makes heavy use of a spatio-velocity color vision model and aggregates the model output in a novel and useful way. We demonstrate the predictor's application to concrete examples, and discuss a conducted user study which indicates the validity of our approach.","PeriodicalId":89458,"journal":{"name":"Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization","volume":"2012 1","pages":"93-100"},"PeriodicalIF":0.0,"publicationDate":"2009-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86369897","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: 22
Step synchronization and third person speed perception in virtual environment locomotion simulators 虚拟环境运动模拟器中的步进同步与第三人称速度感知
Sonja Lehtinen, C. Cheung, A. Pelah, J. Cameron, Joan Lasenby
{"title":"Step synchronization and third person speed perception in virtual environment locomotion simulators","authors":"Sonja Lehtinen, C. Cheung, A. Pelah, J. Cameron, Joan Lasenby","doi":"10.1145/1620993.1621029","DOIUrl":"https://doi.org/10.1145/1620993.1621029","url":null,"abstract":"Human locomotion is known to be influenced by observation of another person's gait. For example, athletes often synchronize their step in long distance races. However, how interaction with a virtual runner affects the gait of a real runner has not been studied. We investigated this by creating an illusion of running behind a virtual model (VM) using a treadmill and large screen virtual environment showing a video of a VM. We looked at step synchronization between the real and virtual runner and at the role of the step frequency (SF) in the real runner's perception of VM speed.\u0000 We found that subjects match VM SF when asked to match VM speed with their own (Figure 1). This indicates step synchronization may be a strategy of speed matching or speed perception.\u0000 Subjects chose higher speeds when VM SF was higher (though VM was 12km/h in all videos). This effect was more pronounced when the speed estimate was rated verbally while standing still. (Figure 2). This may due to correlated physical activity affecting the perception of VM speed [Jacobs et al. 2005]; or step synchronization altering the subjects' perception of self speed [Durgin et al. 2007].\u0000 Our findings indicate that third person activity in a collaborative virtual locomotive environment can have a pronounced effect on an observer's gait activity and their perceptual judgments of the activity of others: the SF of others (virtual or real) can potentially influence one's perception of self speed and lead to changes in speed and SF. A better understanding of the underlying mechanisms would support the design of more compelling virtual trainers and may be instructive for competitive athletics in the real world.","PeriodicalId":89458,"journal":{"name":"Proceedings APGV : ... Symposium on Applied Perception in Graphics and Visualization. Symposium on Applied Perception in Graphics and Visualization","volume":"24 1","pages":"135"},"PeriodicalIF":0.0,"publicationDate":"2009-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87407186","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: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信