Random laser speckle pattern projection for non-contact vibration measurements using a single high-speed camera

P Etchepareborda, MH Moulet, M Melon - Mechanical Systems and Signal …, 2021 - Elsevier
Abstract 3D vision methods are a powerful tool for measuring full-field vibration patterns in
the most varied types of surfaces. Digital Image Correlation is typically used to track …

High-fidelity 3D real-time facial animation using infrared structured light sensing system

Y Ye, Z Song, J Zhao - Computers & Graphics, 2022 - Elsevier
The acquisition of 3D facial models is crucial in the gaming and film industries. In this study,
we developed a facial acquisition system based on infrared structured light sensors to obtain …

A simple and precise calibration method for binocular vision

Z Zimiao, X Kai, W Yanan, Z Shihai… - … Science and Technology, 2022 - iopscience.iop.org
Binocular vision is an important part of machine vision measurement. Calibration accuracy is
crucial for binocular vision. As for the determination of the structure parameters of the two …

Precise and robust binocular camera calibration based on multiple constraints

X Liu, Z Liu, G Duan, J Cheng, X Jiang, J Tan - applied optics, 2018 - opg.optica.org
Precise calibration of a binocular vision system is the foundation of binocular vision
measurement. In this paper, we propose a highly precise and robust binocular camera …

Three-Dimensional Reconstruction and Deformation Identification of Slope Models Based on Structured Light Method

Z Chen, C Zhang, Z Tang, K Fang, W Xu - Sensors, 2024 - mdpi.com
In this study, we propose a meticulous method for the three-dimensional modeling of slope
models using structured light, a swift and cost-effective technique. Our approach aims to …

Automated calibration of multi-camera-projector structured light systems for volumetric high-speed 3D surface reconstructions

ME Deetjen, D Lentink - Optics express, 2018 - opg.optica.org
It is challenging to calibrate multiple camera-projector pairs for multi-view 3D surface
reconstruction based on structured light. Here, we present a new automated calibration …

A novel measurement system based on binocular fisheye vision and its application in dynamic environment

C Cai, R Qiao, H Meng, F Wang - Ieee Access, 2019 - ieeexplore.ieee.org
This paper describes the development of a novel measurement system of calculating the
three-dimensional (3D) coordinates of a target with image information taken from stereo …

CSIE: Coded strip-patterns image enhancer embedded in structured light-based methods

W Cao, R Wang, Y Ye, C Shi, Z Song - Optics and Lasers in Engineering, 2023 - Elsevier
When a coded strip-patterns image (CSI) is captured in a structured light system (SLs), it
often suffers from low visibility at low exposure settings. Besides degrading the visual …

What is the best triangulation approach for a structured light system?

J Meza, R Vargas, LA Romero… - … and Inspection for …, 2020 - spiedigitallibrary.org
It has become customary to calibrate a camera-projector pair in a structured light (SL)
system as a stereo-vision setup. The 3D reconstruction is carried out by triangulation from …

A single-shot, pixel encoded 3D measurement technique for structure light

A Elahi, J Lu, QD Zhu, L Yong - IEEE Access, 2020 - ieeexplore.ieee.org
The Structure Light System (SLS) is a general concept and it is one of the cheapest methods
for the non-contact-based 3D reconstruction. The existing single-shot SLS which is primarily …