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Full-field 3D mode shape measurement using the multiview spectral optical flow imaging method [Elektronski vir] : chapter 2Gorjup, Domen, 1992- ; Slavič, Janko, 1978- ; Boltežar, MihaIn some modal testing applications, image-based techniques offer compelling advantages compared to conventional sensors, particularly in cases where mass loading is problematic or a high spatial ... resolution is required. Still, the limited field of view of the well-established stereo DIC method can be a limiting factor in some measurements. By employing the principles of multi-view imaging, this constraint can be alleviated. For linear, time-invariant structures, multi-view triangulation can be performed in the frequency domain. The measurement field of view can in this way be arbitrarily extended using only a single moving camera imaging system. By using the simplified optical flow method in the displacement spectra identification step, a still-frame camera can be used for image acquisition, considerably lowering the complexity and cost of the imaging system. In this work, the spectral optical flow imaging and frequency-domain multi-view triangulation approaches are combined in an effort to identify mode shapes of a simple three-dimensional structure. The aim is to develop a robust and cost-effective single still-frame camera-based modal testing method.Type of material - conference contributionPublish date - 2022Language - englishCOBISS.SI-ID - 75139331
Author
Gorjup, Domen, 1992- |
Slavič, Janko, 1978- |
Boltežar, Miha
Topics
single camera |
multiview |
full-field measurement |
frequency-domain triangulation |
spectral optical flow imaging |
still camera |
experimental modal analysis |
ena kamera |
več pogledov |
polno polje pomikov |
eksperimentalna modalna analiza
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Gorjup, Domen, 1992- | 39358 |
Slavič, Janko, 1978- | 23010 |
Boltežar, Miha | 02034 |
Source: Personal bibliographies
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