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A Tool-Free Calibration Method for Turntable-Based 3D Scanning Systems

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

Turntable-based 3D scanners are popular but require calibration of the turntable axis. Existing methods for turntable calibration typically make use of specially designed tools, such as a chessboard or criterion sphere, which users must manually install and dismount. In this article, the authors propose an automatic method to calibrate the turntable axis without any calibration tools. Given a scan sequence of the input object, they first recover the initial rotation axis from an automatic registration step. Then they apply an iterative procedure to obtain the optimized turntable axis. This iterative procedure alternates between two steps: refining the initial pose of the input scans and approximating the rotation matrix. The performance of the proposed method was evaluated on a structured light-based scanning system.
Original languageEnglish
Article number6879054
Pages (from-to)52-61
JournalIEEE Computer Graphics and Applications
Volume36
Issue number1
Online published15 Aug 2014
DOIs
Publication statusPublished - Jan 2016

Funding

We thank the reviewers for their insightful comments and suggestions. The work described in this article was partially supported by a GRF grant from the RGC of Hong Kong (RGC reference number CityU 115112), an SRG grant from City University of Hong Kong (project number 7002768), the National Natural Science Foundation of China (number 61375041), Shenzhen Science Plan (number JCYJ20120903092425971 and JCYJ20130402113127502), and the Shenzhen Key Lab for Computer Vision and Pattern Recognition (number CXB201104220032A).

Research Keywords

  • 3D scanning system
  • automatic registration
  • computer graphics
  • rotation axis
  • tool-free
  • turntable calibration

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