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Self-Gated Respiratory Motion Rejection for Optoacoustic Tomography

Ron, Avihai; Davoudi, Neda; Deán-Ben, Xosé Luís; Razansky, Daniel (2019). Self-Gated Respiratory Motion Rejection for Optoacoustic Tomography. Applied Sciences, 9:2737.

Abstract

Respiratory motion in living organisms is known to result in image blurring and loss of resolution, chiefly due to the lengthy acquisition times of the corresponding image acquisition methods. Optoacoustic tomography can effectively eliminate in vivo motion artifacts due to its inherent capacity for collecting image data from the entire imaged region following a single nanoseconds-duration laser pulse. However, multi-frame image analysis is often essential in applications relying on spectroscopic data acquisition or for scanning-based systems. Thereby, efficient methods to correct for image distortions due to motion are imperative. Herein, we demonstrate that efficient motion rejection in optoacoustic tomography can readily be accomplished by frame clustering during image acquisition, thus averting excessive data acquisition and post-processing. The algorithm’s efficiency for two- and three-dimensional imaging was validated with experimental whole-body mouse data acquired by spiral volumetric optoacoustic tomography (SVOT) and full-ring cross-sectional imaging scanners.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Pharmacology and Toxicology
07 Faculty of Science > Institute of Pharmacology and Toxicology

04 Faculty of Medicine > Institute of Biomedical Engineering
Dewey Decimal Classification:170 Ethics
610 Medicine & health
Scopus Subject Areas:Physical Sciences > General Materials Science
Physical Sciences > Instrumentation
Physical Sciences > General Engineering
Physical Sciences > Process Chemistry and Technology
Physical Sciences > Computer Science Applications
Physical Sciences > Fluid Flow and Transfer Processes
Language:English
Date:6 July 2019
Deposited On:31 Oct 2019 10:36
Last Modified:20 Jun 2025 01:40
Publisher:MDPI Publishing
ISSN:2076-3417
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.3390/app9132737
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  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)

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