A Framework for Assessing Spatial Presence of Omnidirectional Video on Virtual Reality Device

With the rapid growth of novel consumer devices, i.e., the head-mounted display (HMD), there has been a strong demand of quality of experience measurement on the HMD. For the novel immersive experience, i.e., the presence, provided by the omnidirectional video and HMD, there is still a lack of research about quantifying user’s sense of presence for the omnidirectional video in the virtual reality environment. In this paper, a spatial presence assessment framework is explored to assess the user spatial presence of omnidirectional video shown on the HMD. Based on the proposed framework, we pioneered a well-designed subjective experiment to obtain the subjective ratings toward the user spatial presence of omnidirectional videos. Different influential factors of the user experience in the virtual reality system were investigated based on the experimental results. Knowledge as the outcome of this paper provides recommendations and solutions for modeling the sense of spatial presence and improving the performance of the virtual reality system.

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