Proceedings of the 15th ACM Symposium on Applied Perception最新文献_第3页

Learning to feel words: a comparison of learning approaches to acquire haptic words 感受词汇的学习:触觉词汇学习方法的比较

Proceedings of the 15th ACM Symposium on Applied Perception Pub Date : 2018-08-10 DOI: 10.1145/3225153.3225174

Jennifer Chen, Robert G. Turcott, Pablo Castillo, W. Setiawan, Frances Lau, A. Israr

引用次数: 10

Assessing vignetting as a means to reduce VR sickness during amplified head rotations 评估视晕作为在头部放大旋转期间减少VR疾病的一种手段

Proceedings of the 15th ACM Symposium on Applied Perception Pub Date : 2018-08-10 DOI: 10.1145/3225153.3225162

Nahal Norouzi, G. Bruder, G. Welch

{"title":"Assessing vignetting as a means to reduce VR sickness during amplified head rotations","authors":"Nahal Norouzi, G. Bruder, G. Welch","doi":"10.1145/3225153.3225162","DOIUrl":"https://doi.org/10.1145/3225153.3225162","url":null,"abstract":"Redirected and amplified head movements have the potential to provide more natural interaction with virtual environments (VEs) than using controller-based input, which causes large discrepancies between visual and vestibular self-motion cues and leads to increased VR sickness. However, such amplified head movements may also exacerbate VR sickness symptoms over no amplification. Several general methods have been introduced to reduce VR sickness for controller-based input inside a VE, including a popular vignetting method that gradually reduces the field of view. In this paper, we investigate the use of vignetting to reduce VR sickness when using amplified head rotations instead of controller-based input. We also investigate whether the induced VR sickness is a result of the user's head acceleration or velocity by introducing two different modes of vignetting, one triggered by acceleration and the other by velocity. Our dependent measures were pre and post VR sickness questionnaires as well as estimated discomfort levels that were assessed each minute of the experiment. Our results show interesting effects between a baseline condition without vignetting, as well as the two vignetting methods, generally indicating that the vignetting methods did not succeed in reducing VR sickness for most of the participants and, instead, lead to a significant increase. We discuss the results and potential explanations of our findings.","PeriodicalId":185507,"journal":{"name":"Proceedings of the 15th ACM Symposium on Applied Perception","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134151545","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: 35

Analysis of neural correlates of saccadic eye movements 跳眼运动的神经关联分析

Proceedings of the 15th ACM Symposium on Applied Perception Pub Date : 2018-08-10 DOI: 10.1145/3225153.3225164

J. Tauscher, F. W. Schottky, S. Grogorick, M. Magnor, Maryam Mustafa

引用次数: 2

Virtual shadows for real humans in a CAVE: influence on virtual embodiment and 3D interaction 洞穴中真实人类的虚拟阴影:对虚拟化身和3D交互的影响

Proceedings of the 15th ACM Symposium on Applied Perception Pub Date : 2018-08-10 DOI: 10.1145/3225153.3225165

G. Cortes, F. Argelaguet, É. Marchand, A. Lécuyer

{"title":"Virtual shadows for real humans in a CAVE: influence on virtual embodiment and 3D interaction","authors":"G. Cortes, F. Argelaguet, É. Marchand, A. Lécuyer","doi":"10.1145/3225153.3225165","DOIUrl":"https://doi.org/10.1145/3225153.3225165","url":null,"abstract":"In immersive projection systems (IPS), the presence of the user's real body limits the possibility to elicit a virtual body ownership illusion. But, is it still possible to embody someone else in an IPS even though the users are aware of their real body? In order to study this question, we propose to consider using a virtual shadow in the IPS, which can be similar or different from the real user's morphology. We have conducted an experiment (N=27) to study the users' sense of embodiment whenever a virtual shadow was or was not present. Participants had to perform a 3D positioning task in which accuracy was the main requirement. The results showed that users widely accepted their virtual shadow (agency and ownership) and felt more comfortable when interacting with it (compare to no virtual shadow). Yet, due to the awareness of their real body, the users have less acceptance of the virtual shadow whenever the shadow gender differs from their own. Furthermore, the results showed that virtual shadows increase the users' spatial perception of the virtual environment by decreasing the inter-penetrations between the user and the virtual objects. Taken together, our results promote the use of dynamic and realistic virtual shadows in IPS and pave the way for further studies on \"virtual shadow ownership\" illusion.","PeriodicalId":185507,"journal":{"name":"Proceedings of the 15th ACM Symposium on Applied Perception","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134205827","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