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Abstract

Quadrics are a compact mathematical formulation for a range of primitive surfaces. A problem arises when there are not enough data-points to compute the model but knowledge of the shape is available. This paper presents a method for fitting a quadric with a Bayesian prior. We use a matrix normal prior in order to favour ellipsoids on ambiguous data. The results show the algorithm to cope well when there are few points in the point cloud, competing with contemporary techniques in the area.
Original languageEnglish
Pages (from-to)107-117
Number of pages11
JournalComputational Visual Media
Volume2
Issue number2
Early online date7 Apr 2016
DOIs
Publication statusPublished - Jun 2016

Keywords

  • Geometry, statistics, graphics, computer vision

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