Nontarget image-based technique for small cable vibration measurement

YF Ji, CC Chang - Journal of Bridge Engineering, 2008 - ascelibrary.org
In this paper, a proof-of-concept image-based technique is proposed for measuring small
cable vibration. The technique analyzes an image sequence of a vibrating cable segment …

Flexible videogrammetric technique for three-dimensional structural vibration measurement

CC Chang, YF Ji - Journal of engineering mechanics, 2007 - ascelibrary.org
A videogrammetric technique is proposed for measuring three-dimensional structural
vibration response in the laboratory. The technique is based on the principles of close-range …

[HTML][HTML] Image-based operational modal analysis and damage detection validated in an instrumented small-scale steel frame structure

C Rinaldi, J Ciambella, V Gattulli - Mechanical Systems and Signal …, 2022 - Elsevier
The use of image-based techniques in structural dynamics is constantly growing thanks to
the decrease in the cost of high-speed cameras and the improvement in image processing …

Structural health monitoring using video stream, influence lines, and statistical analysis

R Zaurin, F Necati Catbas - Structural Health Monitoring, 2011 - journals.sagepub.com
Civil infrastructure systems experience damage, overloading, aging due to normal
operations, severe environmental conditions, and extreme events. These effects change the …

Three-dimensional structural translation and rotation measurement using monocular videogrammetry

CC Chang, XH **ao - Journal of engineering mechanics, 2010 - ascelibrary.org
Measuring displacement for large-scale structures has always been an important yet
challenging task. In most applications, it is not feasible to provide a stationary platform at the …

Temporary cable force monitoring techniques during bridge construction-phase: The Tajo River Viaduct experience

A Gaute-Alonso, D Garcia-Sanchez, C Alonso-Cobo… - Scientific Reports, 2022 - nature.com
This article deals with the comparative analysis of current cable force monitoring techniques.
In addition, the experience of three cable stress monitoring techniques during the …

A videogrammetric technique for measuring the vibration displacement of stay cables

X Zhou, Y **a, Z Wei, Q Wu - Geo-spatial information science, 2012 - Taylor & Francis
Stay cables in cable-stayed bridges are prone to large amplitude oscillations under external
excitations. The vibration of the cables is predominantly measured by using accelerometers …

Measurement of shaft orbits with photographic images and sub-sampling technique

MT Endo, AN Montagnoli, R Nicoletti - Experimental Mechanics, 2015 - Springer
Vibration measurement in rotating machines is an important procedure in the identification of
malfunctions and in the prevention of failure. In this case, due to difficulties in mounting …

A computer vision-based approach for structural displacement measurement

Y Ji - Sensors and Smart Structures Technologies for Civil …, 2010 - spiedigitallibrary.org
Along with the incessant advancement in optics, electronics and computer technologies
during the last three decades, commercial digital video cameras have experienced a …

A novel image-based approach for structural displacement measurement

YF Ji, QW Zhang - Proc. 6th Int. Conf. Bridge Maintenance, Safety …, 2012 - books.google.com
With the incessant advancement in optics, electronics and computer technologies during the
last three decades, commercial digital video cameras have experienced a remarkable …