2022
DOI: 10.3390/s23010291
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Influence of Noise in Computer-Vision-Based Measurements on Parameter Identification in Structural Dynamics

Abstract: Nowadays, consumer electronics offer computer-vision-based (CV) measurements of dynamic displacements with some trade-offs between sampling frequency, resolution and low cost of the device. This study considers a consumer-grade smartphone camera based on complementary metal-oxide semiconductor (CMOS) technology and investigates the influence of its hardware limitations on the estimation of dynamic displacements, modal parameters and stiffness parameters of bolted connections in a laboratory structure. An algor… Show more

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Cited by 5 publications
(1 citation statement)
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“…Measurements of displacement can be conducted using various methods, among which direct reference-based techniques such as linear variable differential transducers, laser Doppler vibrometers, and computer vision-based systems [14] are most popular. Additionally, combined [15] and indirect methods [16] are often employed.…”
Section: Introductionmentioning
confidence: 99%
“…Measurements of displacement can be conducted using various methods, among which direct reference-based techniques such as linear variable differential transducers, laser Doppler vibrometers, and computer vision-based systems [14] are most popular. Additionally, combined [15] and indirect methods [16] are often employed.…”
Section: Introductionmentioning
confidence: 99%