Morlet-Wave Damping Identification: Application to High-Speed Video

The optical flow based approach to measure displacements at impact response was recently shown to give very good results where the subpixel resolution is at the level of 1/10000 of a pixel. This study researches the applicability of the optical flow approach to the damping identification with the Mo...

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Published inTopics in Modal Analysis & Testing, Volume 10 pp. 27 - 30
Main Authors Slavič, Janko, Mihalec, Marko, Javh, Jaka, Boltezar, Miha
Format Book Chapter
LanguageEnglish
Published Switzerland River Publishers 2017
Springer International Publishing AG
Springer International Publishing
Edition1
SeriesConference Proceedings of the Society for Experimental Mechanics Series
Subjects
CIVIL ENGINEERING, SURVEYING & BUILDING
Damping identification
Dynamics & vibration
High-speed camera
Mechanical engineering
Morlet wave
Optical flow
Morlet wave
High-speed camera
Optical flow
Damping identification
Online AccessGet full text
ISBN3319548093
9783319854892
3319854895
9783319548098
ISSN2191-5644
2191-5652
DOI10.1007/978-3-319-54810-4_4

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Abstract The optical flow based approach to measure displacements at impact response was recently shown to give very good results where the subpixel resolution is at the level of 1/10000 of a pixel. This study researches the applicability of the optical flow approach to the damping identification with the Morlet Wave methods. The Morlet wave method bases on the continuous wavelet transform but is not impacted by the edge-effect. It was shown that the damping identification is reliable and opens up new questions with regards to the spatial distribution of the identified damping.
AbstractList The optical flow based approach to measure displacements at impact response was recently shown to give very good results where the subpixel resolution is at the level of 1/10000 of a pixel. This study researches the applicability of the optical flow approach to the damping identification with the Morlet Wave methods. The Morlet wave method bases on the continuous wavelet transform but is not impacted by the edge-effect. It was shown that the damping identification is reliable and opens up new questions with regards to the spatial distribution of the identified damping.
Author Boltezar, Miha
Javh, Jaka
Mihalec, Marko
Slavič, Janko
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Keywords Morlet wave
High-speed camera
Optical flow
Damping identification
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Snippet The optical flow based approach to measure displacements at impact response was recently shown to give very good results where the subpixel resolution is at...
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SubjectTerms CIVIL ENGINEERING, SURVEYING & BUILDING
Damping identification
Dynamics & vibration
High-speed camera
Mechanical engineering
Morlet wave
Optical flow
Title Morlet-Wave Damping Identification: Application to High-Speed Video
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