An Approach to Robust ICP Initialization

Alexander Kolpakov, Michael Werman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In this note, we propose an approach to initialize the Iterative Closest Point (ICP) algorithm to match unlabelled point clouds related by rigid transformations. The method is based on matching the ellipsoids defined by the points' covariance matrices and then testing the various principal half-axes matchings that differ by elements of a finite reflection group. We derive bounds on the robustness of our approach to noise and numerical experiments confirm our theoretical findings.

Original languageAmerican English
Pages (from-to)12685-12691
Number of pages7
JournalIEEE Transactions on Pattern Analysis and Machine Intelligence
Volume45
Issue number10
DOIs
StatePublished - 1 Oct 2023

Bibliographical note

Publisher Copyright:
© 1979-2012 IEEE.

Keywords

  • ICP
  • image registration
  • image stitching

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