DOI码：10.1109/TVCG.2023.3251648
所属单位：YMSC, Tsinghua University, Beijing, China
发表刊物：IEEE Transactions on Visualization and Computer Graphics
项目来源：NSFC (62132012); Tsinghua-Tencent Joint Lab and Marsden/Royal Society NZ (MFP-20-VUW-180)
关键字：Redirected walking; Multi-user; Online VR; Fairness
摘要：With the recent rise of Metaverse, online multiplayer VR applications are becoming increasingly prevalent worldwide. However, as multiple users are located in different physical environments, different reset frequencies and timings can lead to serious fairness issues for online collaborative/competitive VR applications. For the fairness of online VR apps/games, an ideal online RDW strategy must make the locomotion opportunities of different users equal, regardless of different physical environment layouts. The existing RDW methods lack the scheme to coordinate multiple users in different PEs, and thus have the issue of triggering too many resets for all the users under the locomotion fairness constraint. We propose a novel multi-user RDW method that is able to significantly reduce the overall reset number and give users a better immersive experience by providing a fair exploration. Our key idea is to first find out the "bottleneck" user that may cause all users to be reset and estimate the time to reset given the users' next targets, and then redirect all the users to favorable poses during that maximized bottleneck time to ensure the subsequent resets can be postponed as much as possible. More particularly, we develop methods to estimate the time of possibly encountering obstacles and the reachable area for a specific pose to enable the prediction of the next reset caused by any user. Our experiments and user study found that our method outperforms existing RDW methods in online VR applications.
备注：Funding: National Natural Science Foundation of China (62132012); Tsinghua-Tencent Joint Laboratory for Internet Innovation Technology and Marsden Fund Council managed by Royal Society of New Zealand (MFP-20-VUW-180); Other ISSNs: 1941-0506, 2160-9306
合写作者：Jia-Hong Liu,Miao Wang,Fang-Lue Zhang
第一作者：Sen-Zhe Xu
论文类型：期刊论文
通讯作者：Song-Hai Zhang
学科门类：工学
文献类型：J
卷号：30
期号：4
页面范围：1916–1926
ISSN号：1077-2626
是否译文：否