ArticleBiomedical optics express2020
Exploration of movement artefacts in handheld laser speckle contrast perfusion imaging.
Article in Biomedical optics express, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Who cites it
4 citing papers in PubMed.
- Handheld laser speckle contrast imaging probe: quantitative video rate assessment of tissue perfusion in animal and patient applications.Biophotonics discovery · 2025Article
- Wide dynamic range measurement of blood flowJournal of biomedical optics · 2024Article
- Prediction of motion artifacts caused by translation in handheld laser speckle contrast imaging.Journal of biomedical optics · 2023Article
- Handheld versus mounted laser speckle contrast perfusion imaging demonstrated in psoriasis lesions.Scientific reports · 2021Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Functional performance of handheld laser speckle contrast imaging (LSCI) is compromised by movement artefacts. Here we quantify the movements of a handheld LSCI system employing electromagnetic (EM) tracking and measure the applied translational, tilt and on-surface laser beam speeds. By observing speckle contrast on static objects, the magnitudes of translation and tilt of wavefronts are explored for various scattering levels of the objects. We conclude that for tissue mimicking static phantoms, on-surface speeds play a dominant role to wavefront tilt speed in creation of movement artefacts. The ratio depends on the optical properties of the phantom. Furthermore, with the same applied speed, the drop in the speckle contrast increases with decreasing reduced scattering coefficient, and hence the related movement artefact increases.
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Registered trials
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