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Identification of Image-Based Virtual Reality for enhancing Spatial Presence Using Repertory Grid TechniqueAbstract Spatial presence is the binary onoff experience of a feeling located in a mediated environment such as media eg movies and geometry-based virtual reality No studies on the spatial presence in image-based virtual reality IBVR applications currently exist because of the low interaction functionality of spatial presence IBVR refers to photo-based images that are stitched together to form a virtual environment Interaction functions are limited to navigation using hotspot hopping panning and zooming inout within the virtual environment However IBVR applications provide highly realistic visuals that can create the spatial presence of users through the use of scenic photographs that are stitched together to create a realistic panoramic view This paper reports the results of a comprehensive study that attempts to identify which characteristics of IBVR applications can enhance the spatial presence of users A systematic mental model technique called Repertory Grid was selected as an approach for the data collection because the approach allows users to freely state their opinions Three different IBVR virtual environments were created to fulfill the Repertory Grid technique requirement A different virtual environment is necessary to allow users to compare and provide feedback A discussion is presented based on two aspects of the IBVR panning and hotspot hopping The results indicate that the spatial presence of users can be enhanced through flexible panning and consistent and informative hotspotsKeywords max 6 Spatial Presence Virtual Reality Image-based Virtual Reality Words max 250 IntroductionPresence has various definitions and can be categorized as tele-presence spatial presence social presence physical presence and sense of presence Presence is a major design requirement ADDIN CSLCITATION citationItems id ITEM-1 itemData ISBN 1595931783 author dropping-particle family Zanbaka given Catherine non-dropping-particle parse-names false suffix dropping-particle family Goolkasian given Paula
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