Interactive Zoom and Panning from Live Panoramic Video

Authors:
Vamsidhar Reddy Gaddam;Ragnar Langseth;Sigurd Ljødal;Pierre Gurdjos;Vincent Charvillat;Carsten Griwodz;Pål Halvorsen
Affiliations:
Simula Research Laboratory & University of Oslo, Norway;Simula Research Laboratory & University of Oslo, Norway;Simula Research Laboratory & University of Oslo, Norway;Universite de Toulouse, France;Universite de Toulouse, France;Simula Research Laboratory & University of Oslo, Norway;Simula Research Laboratory & University of Oslo, Norway
Venue:
Proceedings of Network and Operating System Support on Digital Audio and Video Workshop
Year:
2014

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Abstract

Panorama video is becoming increasingly popular, and we present an end-to-end real-time system to interactively zoom and pan into high-resolution panoramic videos. Compared to existing systems using perspective panoramas with cropping, our approach creates a cylindrical panorama. Here, the perspective is corrected in real-time, and the result is a better and more natural zoom. Our experimental results also indicate that such zoomed virtual views can be generated far below the frame-rate threshold. Taking into account recent trends in device development, our approach should be able to scale to a large number of concurrent users in the near future.