Semiautomatic model-based view planning for active triangulation 3-D inspection systems

A Mavrinac, X Chen… - IEEE/ASME Transactions …, 2014 - ieeexplore.ieee.org
A semiautomatic model-based approach to the view planning problem for high-resolution
active triangulation 3-D inspection systems is presented. First, a comprehensive, general …

Survey on zoom-lens calibration methods and techniques

SM Ayaz, MY Kim, J Park - Machine Vision and Applications, 2017 - Springer
This paper surveys zoom-lens calibration approaches, such as pattern-based calibration,
self-calibration, and hybrid (or semiautomatic) calibration. We describe the characteristics …

Camera calibration method with focus-related intrinsic parameters based on the thin-lens model

Z Lu, L Cai - Optics Express, 2020 - opg.optica.org
In this paper, a calibration method for a camera with focus-related intrinsic parameters
based on the thin-lens model is proposed to realize highly accurate measurement for small …

A novel calibration method for the zoom micro-vision system containing electrically tunable lens

W Cai, X Zhang, H Li, Z Liao - Optics and Lasers in Engineering, 2023 - Elsevier
For zoom micro-vision system containing electrically tunable lens (ETL), traditional
calibration methods are usually ineffective or inefficient due to the limited field of view (FOV) …

Absolute IOP/EOP Estimation Models without Initial Information of Various Smart City Sensors

N Kim, S Baek, G Kim - Sensors, 2023 - mdpi.com
In smart cities, a large amount of optical camera equipment is deployed and used. Closed-
circuit television (CCTV), unmanned aerial vehicles (UAVs), and smartphones are some …

Calibration procedure of camera with multifocus zoom lens for three-dimensional scanning system

JC Huang, CS Liu, CY Tsai - IEEE Access, 2021 - ieeexplore.ieee.org
With zoom lenses, both the magnification of the camera and the distance between the lens
and the object plane can be changed. Changes to zoom lens magnification is accompanied …

Automatic pose measurement of robotic drilling system based on zoom monocular vision

B Yang, X Cen, L Xie, M Yin - Advanced Engineering Informatics, 2025 - Elsevier
Robotic drilling systems are attracting more attention due to their excellent processing
accessibility and manufacturing flexibility, enabling in-situ processing of large-scale …

Flexible calibration method of electronically focus-tunable lenses

X Chen, X Song, L Cheng, Z Ran… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The calibration of camera systems employing zoom lenses raises several challenges, as
changes in lens control settings introduce various imaging conditions, especially different …

Zoom dependent lens distortion mathematical models

L Alvarez, L Gómez, P Henríquez - Journal of Mathematical Imaging and …, 2012 - Springer
We propose new mathematical models to study the variation of lens distortion models when
modifying zoom setting in the case of zoom lenses. The new models are based on a …

Zoom lens calibration with zoom-and focus-related intrinsic parameters applied to bundle adjustment

S Zheng, Z Wang, R Huang - ISPRS journal of photogrammetry and remote …, 2015 - Elsevier
A zoom lens is more flexible for photogrammetric measurements under diverse
environments than a fixed lens. However, challenges in calibration of zoom-lens cameras …