a) Oculus Rift and mounted Leap Motion b) User, interacting with the system c) The user's point of view Figure 1. Overview of the ODV browsing system
ABSTRACTOmnidirectional videos (ODV), also known as panoramic videos, are an emerging, new kind of media. ODVs are typically recorded with cameras that cover up to 360° of the recorded scene. Due to the limitation of the human vision, ODVs cannot be viewed as-is. There is a larger body of work that focuses on browsing ODVs on ordinary 2D displays, e.g. on an LCD using a desktop computer or on a smartphone. In this demonstration paper, we present a new approach for ODV browsing using an immersive, headmounted system. The novelty of our implementation lies in decoupling navigation in time from navigation in space: navigation in time is mapped to gesture-based interactions and navigation in space is mapped to head movements. We argue that this enables more natural ways of interacting with ODVs.
Sifting and sense-making of video collections are important tasks in many professions. In contrast to sense-making of paper documents, where physical structuring of many documents has proven to be key to effective work, interaction with video is still restricted to the traditional "one video at a time" paradigm. This paper investigates how interaction with video can benefit from paper-like displays that allow for working with multiple videos simultaneously in physical space. We present a corresponding approach and system called PaperVideo, including novel interaction concepts for both video and audio. These include spatial techniques for temporal navigation, arranging, grouping and linking of videos, as well as for managing video contents and simultaneous audio playback on multiple displays. An evaluation with users provides insights into how paper-based navigation with videos improves active video work.
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