Title: Registration technique for spatial curves based on multi-view reconstruction

Authors: Tian Zhang; Shao-Li Liu; Cheng-Tong Tang; Jian-Hua Liu

Addresses: School of Mechanical Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Beijing 100081, China ' School of Mechanical Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Beijing 100081, China ' School of Mechanical Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Beijing 100081, China ' School of Mechanical Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Beijing 100081, China

Abstract: A registration algorithm for spatial curves based on multi-view reconstruction is presented. Firstly the local segments of a spatial curve are reconstructed and fitted into Non-Uniform Rational B-Spline (NURBS) curves from multiple viewpoints. The intermediary planar targets are used to unify the local reconstruction coordinate systems. After determination of overlapping curves and corresponding points, all the local reconstructed spatial curves are registered in high precision. A reconstruction experiment towards a tube's central line is carried out on the proposed multi-view reconstruction system. The experiment's results show that the registration error of the proposed algorithm for spatial curves is 0.0273 mm.

Keywords: spatial curves; multi-view reconstruction; registration algorithm; NURBS curve.

DOI: 10.1504/IJCAT.2016.074452

International Journal of Computer Applications in Technology, 2016 Vol.53 No.2, pp.142 - 148

Received: 08 May 2021
Accepted: 12 May 2021

Published online: 16 Jan 2016 *

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