NDLI: Image mosaicing using local optical flow registration

Content Provider	IEEE Xplore Digital Library
Author	Rebiere, N. Auclair-Fortier, M.-F. Deschenes, F.
Copyright Year	2008
Description	Author affiliation: Centre MOIVRE, Univ. de Sherbrooke, Sherbrooke, QC (Rebiere, N.; Auclair-Fortier, M.-F.) \|\| Univ. du Quebec en Outaouais, Gatineau, QC (Deschenes, F.)
Abstract	Cylindrical panoramic mosaics can be created by aligning and stitching images from a series, captured by a camera rotating around its optical center. The transformation between two images must then be found. Existing methods compute a global transformation for the whole image starting from pixels in the overlapping region. This global transformation, due to local distortions often results in ghost problems in the overlapping region which have to be handled with some deghosting algorithm. This paper proposes to directly use optical flow in order to find a pixelwise registration in the overlapping region, reducing ghost problems. The optical flow is computed using a multiresolution computational algebraic topology approach.
Starting Page	1
Ending Page	5
File Size	451956
Page Count	5
File Format	PDF
ISBN	9781424421749
ISSN	10514651
DOI	10.1109/ICPR.2008.4761522
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image motion analysis Optical distortion Optical computing Cameras Fluid flow measurement Optical noise Pixel Topology Layout Motion measurement
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition

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