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Snap-changes: a dynamic editing strategy for directing viewer’s attention in streaming virtual reality videos

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PubDate: May 2018

Teams: Université Côte d’Azur

Writers: Lucile Sassatelli;Anne-Marie Pinna-Déry;Marco Winckler;Savino Dambra;Giuseppe Samela;Romaric Pighetti;Ramon Aparicio-Pardo

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Abstract

Cinematic Virtual Reality (VR) has the potential of touching the masses with new exciting experiences, but faces two main hurdles: one is the ability to stream these videos, another is their design and creation. Indeed, rates are much higher and in addition to discomfort and sickness that might arise in fully immersive experience with a headset, users might get lost when exploring a 360° videos and miss main elements required to understand the underlying plot. We take an innovative approach by addressing jointly the creation and streaming problems. We introduce a technique called snap-changes, aimed at directing viewers to points of interest pre-defined by the content producer. We design a VR editing tool and a custom 360° video player, to provide the content creator with the ability to drive the user’s attention, and report results from two sets of user experiments that indicate that snap-changes indeed help reduce user’s head motion.

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