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The method is designed with an assumption of asymmetric, object-based CVE where collaborators use non-homogeneous devices, such as immersive virtual reality head-mounted display (VR HMD) and tablet-based augmented reality (AR), and simultaneously interact with 3D virtual objects. Therefore, collaborators interact with different interfaces such as virtual reality (VR) users relying on controllers for virtual locomotion and object manipulation, while AR users perform physical locomotion and multi-touch input for object manipulation. The proposed viewpoint-sharing method allows both users to observe and manipulate the objects in interest from the shared point of view, enabling participants to interact with the objects without the need for virtual\/physical locomotion. While viewpoint-sharing, instead of changing point of view, the proposed method performs seamless object transformation to provide a shared point of view, reducing motion sickness and associated discomfort. From our user experiment, the viewpoint-share condition resulted in a 35.47% faster task completion time than the baseline condition which is without proposed viewpoint-sharing. The advantage of viewpoint-sharing regarding system usability was significant, while task workloads were similar in the baseline and viewpoint-sharing conditions. We expect that the proposed viewpoint-sharing method allows users to quickly, efficiently, and collaboratively communicate in an object-based CVE, and represents a step forward in the development of effective remote, asymmetric CVE.<\/jats:p>","DOI":"10.1007\/s10055-024-01005-z","type":"journal-article","created":{"date-parts":[[2024,6,11]],"date-time":"2024-06-11T05:05:35Z","timestamp":1718082335000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Viewpoint-sharing method with reduced motion sickness in object-based VR\/AR collaborative virtual environment"],"prefix":"10.1007","volume":"28","author":[{"given":"Tuvshintulga","family":"Tserenchimed","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9013-2338","authenticated-orcid":false,"given":"Hyungki","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,6,11]]},"reference":[{"key":"1005_CR1","doi-asserted-by":"publisher","unstructured":"Balakrishnan A, Fussell S, Kiesler S (2008) Do visualizations improve synchronous remote collaboration? 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