Photogrammetry and optical methods in structural dynamics–A review

J Baqersad, P Poozesh, C Niezrecki… - Mechanical Systems and …, 2017 - Elsevier
In the last few decades, there has been a surge of research in the area of non-contact
measurement techniques. Photogrammetry has received considerable attention due to its …

[HTML][HTML] New fractional-order shifted Gegenbauer moments for image analysis and recognition

KM Hosny, MM Darwish, MM Eltoukhy - Journal of Advanced Research, 2020 - Elsevier
Orthogonal moments are used to represent digital images with minimum redundancy.
Orthogonal moments with fractional-orders show better capabilities in digital image analysis …

Non-model based expansion from limited points to an augmented set of points using Chebyshev polynomials

Y Chen, P Logan, P Avitabile, J Dodson - Experimental Techniques, 2019 - Springer
Expansion of measured dynamic response at a limited set of points is of great interest in the
study of structural dynamic systems. Measurements at limited points on a structure can be …

Extracting full-field dynamic strain on a wind turbine rotor subjected to arbitrary excitations using 3D point tracking and a modal expansion technique

J Baqersad, C Niezrecki, P Avitabile - Journal of Sound and Vibration, 2015 - Elsevier
Health monitoring of rotating structures such as wind turbines and helicopter rotors is
generally performed using conventional sensors that provide a limited set of data at discrete …

Full field optical measurements in experimental modal analysis and model updating

A Zanarini - Journal of Sound and Vibration, 2019 - Elsevier
We might doubt if optical measurements and spatially dense datasets are really effective,
when dealing with advanced model updating of lightweight structures with complex …

Modal analysis and damage localization in plate-type structures via TDD and PE methods based on the data of an integrated highspeed camera system

S Cao, H Nian, J Yan, Z Lu, C Xu - Mechanical Systems and Signal …, 2022 - Elsevier
With the fast development of full-field vibration measurements by combining digital image
correlation (DIC) technique with the integrated highspeed camera system, the structural …

Chasing the high-resolution mapping of rotational and strain FRFs as receptance processing from different full-field optical measuring technologies

A Zanarini - Mechanical Systems and Signal Processing, 2022 - Elsevier
Thanks to the recent advances in digital vision systems, a question might arise about where
the full-field optical and contactless methods can bring modern design procedures. An …

Damage methodology approach on a composite panel based on a combination of Fringe Projection and 2D Digital Image Correlation

L Felipe-Sesé, FA Díaz - Mechanical Systems and Signal Processing, 2018 - Elsevier
The recent improvement in accessibility to high speed digital cameras has enabled three
dimensional (3D) vibration measurements employing full-field optical techniques. Moreover …

Galaxies image classification using artificial bee colony based on orthogonal Gegenbauer moments

M Abd Elaziz, KM Hosny, IM Selim - Soft Computing, 2019 - Springer
The development of automated morphological classification schemes for galaxies is
important to study the formation and subsequent evolution of galaxies in our universe. This …

[PDF][PDF] Over 50 Years of Image Moments and Moment Invariants.

GA Papakostas - Gate to Computer Science & Research, 2014 - researchgate.net
The first introduction of 2-D moments in engineering life was performed by Hu in 1962 [60].
Hu proposed the 2-D geometric moments of a distribution function (an image) as a …