NDLI: Real-Time Virtual Viewpoint Generation on the GPU for Scene Navigation

Content Provider	IEEE Xplore Digital Library
Author	Kolhatkar, S. Laganière, R.
Copyright Year	2010
Abstract	In this paper we present a method for achieving real-time view interpolation in a virtual navigation application that uses a collection of pre-captured panoramic views as a representation of the environment. In this context, viewpoint interpolation is essential to achieve smooth and realistic viewpoint transition while the user is moving from one panorama to another. In this proposed approach, view interpolation is achieved by first computing the optical flow field between a pair of adjacent panoramas. This flow field can then be used by the view morphing algorithm to generate, on-the-fly, virtual viewpoints in-between existing views. Realistic interpolation is obtained by taking into account both scene geometry and color information. To achieve real-time viewpoint interpolation, a GPU implementation of the viewpoint interpolation algorithm has been developed. We ran our algorithm on multiple interior and exterior scenes and we were able to produce smooth and realistic viewpoint transitions by generating virtual views at a rate of more than 300 panoramas per second.
Starting Page	55
Ending Page	62
File Size	1605508
Page Count	8
File Format	PDF
ISBN	9781424469635
e-ISBN	9781424469642
DOI	10.1109/CRV.2010.14
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-31
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer vision View Interpolation Navigation Robot vision systems Optical computing Displays View Morphing Application software Image-Based navigation Image reconstruction Optical Flow Interpolation Image motion analysis Layout
Content Type	Text
Resource Type	Article

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