scholarly journals Calibration method for extended depth-of-field microscopic structured light system

2021 ◽  
Author(s):  
Liming Chen ◽  
Xiaowei Hu ◽  
Song Zhang
Keyword(s):  
Structured Light ◽  
Calibration Method ◽  
Depth Of Field ◽  
Light System ◽  
Extended Depth Of Field ◽  
Structured Light System

A fast and accurate calibration method for the structured light system based on trapezoidal phase-shifting pattern

Optik ◽  
2014 ◽  
Vol 125 (18) ◽  
pp. 5249-5253 ◽  
Author(s):  
Fengkai Ke ◽  
Jingming Xie ◽  
Youping Chen ◽  
Dailin Zhang ◽  
Bing Chen
Keyword(s):  
Structured Light ◽  
Calibration Method ◽  
Phase Shifting ◽  
Light System ◽  
Structured Light System

Sphere-Based Geometrical Calibration Method for Structured Light Surface Measurement Systems

2012 ◽  
Vol 571 ◽  
pp. 433-438 ◽  
Author(s):  
Jules Douet ◽  
Jing Xu ◽  
Ken Chen
Keyword(s):  
Structured Light ◽  
Calibration Method ◽  
Ease Of Use ◽  
Translation Method ◽  
Surface Measurement ◽  
Measurement Systems ◽  
Light System ◽  
Light Surface ◽  
Calibration Time ◽  
Structured Light System

This paper proposes a sphere-based calibration method for the structured light system with unconstrained one projector & one camera, regardless of pattern codification. A 1-pose example of such a method is also proposed and tested. In comparison with a traditional plane translation method of 15 poses, we note an increase in the consistency of more than 10% while the calibration time shrinks to 6% and the calibration accessory is reduced to the size of a flash-light. This method suits well for applications where mobility, speed and ease-of-use are important criteria.

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