Abstract
We introduce Time Expansion Coefficient (that is, α), which refers to the ratio of the actual time to the VR image time, in this paper. VR film designers adjust time expansion coefficient according to different narrative types in VR films to optimize users’ immersive perception. We evaluated five types of narrative which include linear narrative with fixed shot, linear narrative with moving shot, circular narrative, multi-view narrative and interactive narrative. The results show that circular narrative and multi-view narrative are most affected by the time expansion coefficient. Interactive narrative and multi-view narrative are almost equally affected while linear narrative is less affected. In addition, when time expansion coefficient is greater than 1 (that is, α > 1), immersion in all five narrative types we refer to is improved.
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Guo, Z., Zhao, J., Wang, Z. (2020). How to Improve the Immersiveness in VR by Changing the Time Expansion Coefficient. In: Stephanidis, C., Antona, M. (eds) HCI International 2020 - Posters. HCII 2020. Communications in Computer and Information Science, vol 1225. Springer, Cham. https://doi.org/10.1007/978-3-030-50729-9_3
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DOI: https://doi.org/10.1007/978-3-030-50729-9_3
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