Distorted pinhole camera modeling and calibration

R Juarez-Salazar, J Zheng, VH Diaz-Ramirez - Applied Optics, 2020 - opg.optica.org
Camera modeling and calibration are essential tasks in modern optics. Conventionally, the
pinhole model is adopted with a further extension for lens distortion. However, pinhole and …

Simultaneous position and orientation estimation for visible light systems with multiple LEDs and multiple PDs

S Shen, S Li, H Steendam - IEEE Journal on Selected Areas in …, 2020 - ieeexplore.ieee.org
Visible light communication (VLC) is seen as a supplement for fifth-generation (5G) wireless
communication in short-range high data rate communication applications [1]. A reliable VLC …

Experiment of structural geometric morphology monitoring for bridges using holographic visual sensor

S Shao, Z Zhou, G Deng, P Du, C Jian, Z Yu - Sensors, 2020 - mdpi.com
To further improve the precision and efficiency of structural health monitoring technology
and the theory of large-scale structures, full-field non-contact structural geometry …

Calibration of camera internal parameters based on grey wolf optimization improved by levy flight and mutation

D Wang, J Yue, P Chai, H Sun, F Li - Scientific Reports, 2022 - nature.com
Traditional calibration technology has been widely used in measurement and monitoring;
however, there are limitations of poor calibration accuracy, which can not meet the accuracy …

An overall deformation monitoring method of structure based on tracking deformation contour

X Chu, Z Zhou, G Deng, X Duan, X Jiang - Applied Sciences, 2019 - mdpi.com
Featured Application This study aims at the lack of sufficient data supporting structural
damage identification, which is a general issue in traditional single-point measurement …

[HTML][HTML] Assessing the retrieval procedure of complex-valued forces from airborne pressure fields by means of DIC-based full-field receptances in simplified pseudo …

A Zanarini - Aerospace Science and Technology, 2024 - Elsevier
Lightweight structural components in many engineering fields can be severely excited by
airborne pressure fields, becoming a concern for their structural dynamics and reliability …

A novel hybrid NN-ABPE-based calibration method for improving accuracy of lateration positioning system

M Petrović, M Ciężkowski, S Romaniuk… - Sensors, 2021 - mdpi.com
Positioning systems based on the lateration method utilize distance measurements and the
knowledge of the location of the beacons to estimate the position of the target object …

Automatic calibration for monocular cameras in highway scenes via vehicle vanishing point detection

W Zhang, H Song, L Liu - Journal of transportation engineering, Part …, 2023 - ascelibrary.org
Automatic camera calibration is a fundamental technology for 3D traffic parameter extraction.
With the popularity of pan-tilt-zoom cameras, this technique demonstrates great potential to …

Distorted pinhole camera model for tangential distortion

R Juarez-Salazar… - Optics and Photonics for …, 2021 - spiedigitallibrary.org
Different camera models are usually employed to address specific imaging processes such
as telecentric, pinhole, and radial distortion. Recently, the distorted pinhole camera model …

Autocamera calibration for traffic surveillance cameras with wide angle lenses

AG Jain, N Saunier - arXiv preprint arXiv:2001.07243, 2020 - arxiv.org
We propose a method for automatic calibration of a traffic surveillance camera with wide-
angle lenses. Video footage of a few minutes is sufficient for the entire calibration process to …