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1. (WO2018201677) BUNDLE ADJUSTMENT-BASED CALIBRATION METHOD AND DEVICE FOR TELECENTRIC LENS-CONTAINING THREE-DIMENSIONAL IMAGING SYSTEM

Pub. No.:    WO/2018/201677    International Application No.:    PCT/CN2017/107274
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Tue Oct 24 01:59:59 CEST 2017
IPC: G06T 7/80
Applicants: SHENZHEN UNIVERSITY
深圳大学
Inventors: LIU, Xiaoli
刘晓利
LIU, Rensi
刘任斯
TANG, Qijian
汤其剑
PENG, Xiang
彭翔
CAI, Zewei
蔡泽伟
Title: BUNDLE ADJUSTMENT-BASED CALIBRATION METHOD AND DEVICE FOR TELECENTRIC LENS-CONTAINING THREE-DIMENSIONAL IMAGING SYSTEM
Abstract:
Disclosed in the present invention are a bundle adjustment-based calibration method and device for a telecentric lens-containing three-dimensional imaging system. In the method, a camera apparatus having a telecentric lens and a projector apparatus having a telecentric lens are employed in a three-dimensional imaging system, a bundle adjustment technique is employed to perform non-linear calibration on the camera apparatus and projector apparatus, and calibration parameters of the calibrated camera apparatus and projector apparatus are employed to calibrate the three-dimensional imaging system. By employing the bundle adjustment technique to effectively reduce influences of errors of a target on calibration accuracy of the three-dimensional imaging system, the present invention effectively improves the calibration accuracy, and accordingly enhances precision of the three-dimensional imaging system.