Computer vision‐based real‐time cable tension estimation in Dubrovnik cable‐stayed bridge using moving handheld video camera

D Jana, S Nagarajaiah - Structural Control and Health …, 2021 - Wiley Online Library
Cables are essential components of the cable‐stayed bridges as they serve as the main
load‐bearing component. Hence, continuous monitoring of such cables becomes necessary …

Vision‐based displacement measurement using an unmanned aerial vehicle

Y Han, G Wu, D Feng - Structural Control and Health Monitoring, 2022 - Wiley Online Library
Vision‐based displacement measurement for structural health monitoring has gained
popularity in recent years but still has several limitations in practical applications. Unmanned …

Computer vision‐based real‐time cable tension estimation algorithm using complexity pursuit from video and its application in Fred‐Hartman cable‐stayed bridge

D Jana, S Nagarajaiah, Y Yang - Structural Control and Health …, 2022 - Wiley Online Library
Real‐time health monitoring of stay cables in cable‐stayed bridges is necessary for timely
maintenance and to avoid unforeseen fatigue damage due to vortex‐induced vibration …

Non-contact structural displacement measurement using Unmanned Aerial Vehicles and video-based systems

D Ribeiro, R Santos, R Cabral, G Saramago… - … Systems and Signal …, 2021 - Elsevier
This article describes an innovative methodology for estimating in-plane horizontal
displacements of Civil Engineering structures based on video systems integrated on …

Digital modeling approach of distributional mapping from structural temperature field to temperature-induced strain field for bridges

HW Zhao, YL Ding, AQ Li, B Chen, KP Wang - Journal of Civil Structural …, 2023 - Springer
Zero-point of strain data representing the structural state without stress is hard to determine,
but change in strain can be accurately measured. It is a good choice to quantify the complex …

Spatiotemporal compressive sensing of full-field Lagrangian continuous displacement response from optical flow of edge: Identification of full-field dynamic modes

S Bhowmick, S Nagarajaiah - Mechanical Systems and Signal Processing, 2022 - Elsevier
The present state of condition monitoring of civil infrastructure involves the application of a
large number of contact-based vibration sensors at different locations of the structures. The …

Identification of full-field dynamic modes using continuous displacement response estimated from vibrating edge video

S Bhowmick, S Nagarajaiah - Journal of Sound and Vibration, 2020 - Elsevier
The video of vibrating structure provides dense quantitative continuous spatial information
that is harnessed using various computer vision algorithms in the past decade. Computer …

Accurate structural displacement monitoring by data fusion of a consumer-grade camera and accelerometers

T Wu, L Tang, S Shao, X Zhang, Y Liu, Z Zhou… - Engineering Structures, 2022 - Elsevier
The displacement responses of bridge structures are critical both for structural health
monitoring and structural safety evaluation. Using vision-based sensors to measure …

Streamlined particle filtering of phase-based magnified videos for quantified operational deflection shapes

NA Valente, A Sarrafi, Z Mao, C Niezrecki - Mechanical Systems and Signal …, 2022 - Elsevier
Non-contact optical measurements are commonly used in industrial and research domains
to obtain displacement measurements. This can be attributed to their noninvasive …

Computer vision-based illumination-robust and multi-point simultaneous structural displacement measuring method

Q Song, J Wu, H Wang, Y An, G Tang - Mechanical Systems and Signal …, 2022 - Elsevier
Computer vision-based techniques for structural displacement measurement are rapidly
becoming popular in civil structural engineering. However, most existing computer vision …