By the same authors

Optical Flow Estimation Using Diffusion Distances

Research output: Contribution to conferencePaper

Published copy (DOI)

Author(s)

Department/unit(s)

Conference

Conference20th International Conference on Pattern Recognition (ICPR 2010)
CountryTurkey
CityIstanbul
Conference date(s)23/08/1026/08/10

Publication details

DatePublished - Aug 2010
Number of pages4
Original languageEnglish

Abstract

In this paper we apply the diffusion framework to dense optical flow estimation. Local image information is represented by matrices of gradients between paired locations. Diffusion distances are modelled as sums of eigenvectors weighted by their eigenvalues extracted following the eigen decomposion of these matrices. Local optical flow is estimated by correlating diffusion distances characterizing features from different frames. A feature confidence factor is defined based on the local correlation efficiency when compared to that of its neighbourhood. High confidence optical flow estimates are propagated to areas of lower confidence.

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