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17 September 2018 Canonical 3D object orientation for interactive light-field visualization
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Light-field visualization allows the users to freely choose a preferred location for observation within the display’s valid field of view. As such 3D visualization technology offers continuous motion parallax, the users location determines the perceived orientation of the visualized content, if we consider static objects and scenes. In case of interactive light-field visualization, the arbitrary rotation of content enables efficient orientation changes without the need for actual user movement. However, the preference of content orientation is a subjective matter, yet it is possible to be objectively managed and assessed as well. In this paper, we present a series of subjective tests we carried out on a real light-field display that addresses static content orientation preference. The state-of-the-art objective methodologies were used to evaluate the experimental setup and the content. We used the subjective results in order to develop our own objective metric for canonical orientation selection.
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Roopak R. Tamboli, Peter A. Kara, Aron Cserkaszky, Attila Barsi, Maria G. Martini, and Soumya Jana "Canonical 3D object orientation for interactive light-field visualization", Proc. SPIE 10752, Applications of Digital Image Processing XLI, 107520A (17 September 2018);


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