Digesting omni-video along routes for navigation

  • Authors:
  • Hongyuan Cai;Jiang Yu Zheng

  • Affiliations:
  • Indiana University Purdue University Indianapolis, Indianapolis, IN, USA;Indiana University Purdue University Indianapolis, Indianapolis, IN, USA

  • Venue:
  • Proceedings of the international conference on Multimedia
  • Year:
  • 2010

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Abstract

Omni-directional video records complete visual information along a route. Though replaying an omni-video presents reality, it requires significant amount of memory and communication bandwidth. This work extracts distinct views from an omni-video to form a visual digest named route sheet for navigation. We sort scenes at the motion and visibility level and investigate the similarity/redundancy of scenes in the context of a route. We use source data from 3D elevation map or omni-videos for the view selection. By condensing the flow in the video, our algorithm can generate distinct omni-view sequences with visual information as rich as the omni-video for further scene indexing and navigation with GIS data.