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The Frenet-Serret framework for aligning geometric curves

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

Published
Publication date31/08/2019
Host publicationGeometric Science of Information: 4th International Conference, GSI 2019, Toulouse, France, August 27–29, 2019, Proceedings
EditorsFrank Nielsen, Frédéric Barbaresco
Place of PublicationCham
PublisherSpringer
Pages608-617
Number of pages10
ISBN (electronic)9783030269807
ISBN (print)9783030269791
<mark>Original language</mark>English
EventGSI 2019: 4th Conference on Geometric Science of Information - Toulouse, France
Duration: 27/08/201929/08/2019
https://www.see.asso.fr/en/GSI2019

Conference

ConferenceGSI 2019
Abbreviated title4th
Country/TerritoryFrance
CityToulouse
Period27/08/1929/08/19
Internet address

Publication series

NameLecture Notes in Computer Science
PublisherSpringer
Volume11712

Conference

ConferenceGSI 2019
Abbreviated title4th
Country/TerritoryFrance
CityToulouse
Period27/08/1929/08/19
Internet address

Abstract

Variations of the curves and trajectories in 1D can be analysed efficiently with functional data analysis tools. The main sources of variations in 1D curves have been identified as amplitude and phase variations. Dealing with the latter gives rise to the problem of curve alignment and registration problems. It has been recognised that it is important to incorporate geometric features of the curves in developing statistical approaches to address such problems. Extending these techniques to multidimensional curves is not obvious, as the notion of multidimensional amplitude can be dened in multiple ways. We propose a framework to deal with the curve alignment in multidimensional curves as 3D objects. In particular, we propose a new distance between the curves that utilises the geometric information of the curves through the Frenet-Serret representation of the curves. This can be viewed as a generalisation of the elastic shape analysis based on the square root velocity framework. We develop an efficient computational algorithm to find an optimal alignment based on the proposed distance using dynamic programming.