Abstract
In contrast to traditional video, immersive video allows viewers to interactively control their field of view in a 360∘ panoramic scene. However, established methods for the comparative evaluation of gaze data for video require that all participants observe the same viewing area. We therefore propose new specialized visualizations and a novel visual analytics framework for the combined analysis of head movement and gaze data. A novel View Similarity visualization highlights viewing areas branching and joining over time, while three additional visualizations provide global and spatial context. These new visualizations, along with established gaze evaluation techniques, allow analysts to investigate the storytelling of immersive videos. We demonstrate the usefulness of our approach using head movement and gaze data recorded for both amateur panoramic videos, as well as professionally composited immersive videos.
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Acknowledgements
The authors thank Laura Saenger, Flávio Bezerra and Eduard Tucholke for permission to use the short film “UM MENINO”. The authors gratefully acknowledge funding by the German Science Foundation from project DFG MA2555/6-2 within the strategic research initiative on Scalable Visual Analytics and funding from the European Union’s Seventh Framework Programme FP7/2007-2013 under grant agreement no. 256941, Reality CG.
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Löwe, T., Stengel, M., Förster, EC., Grogorick, S., Magnor, M. (2017). Gaze Visualization for Immersive Video. In: Burch, M., Chuang, L., Fisher, B., Schmidt, A., Weiskopf, D. (eds) Eye Tracking and Visualization. ETVIS 2015. Mathematics and Visualization. Springer, Cham. https://doi.org/10.1007/978-3-319-47024-5_4
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DOI: https://doi.org/10.1007/978-3-319-47024-5_4
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