A technical note on variable inter-frame interval as a cause of non-physiological experimental artefacts in ultrasound

Miguez, D, Hodson-Tole, EF, Loram, I and Harding, P (2017) A technical note on variable inter-frame interval as a cause of non-physiological experimental artefacts in ultrasound. Royal Society Open Science, 4. p. 170245. ISSN 2054-5703

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Abstract

Ultrasound (US) imaging is a well-recognized technique for the study of static tissues but its suitability for studying tissue dynamics depends upon accurate frame time information, which may not always be available to users. Here we present methods to quantify the inter-frame interval (IFI) variability, and evaluate different procedures for collecting temporal information from two US-imaging devices. The devices tested exhibited variable IFIs that could only be confirmed by direct measures of timing signals, available by means of electrical signals (triggers) and/or temporal information contained in the software used for the US data collection. Interpolating frame-by-frame measures of dynamic changes within image sequences using individual IFI values provided improved synchronization between measures of skeletal muscle movement and activation; validating US as a valuable technique for the study of musculoskeletal tissue dynamics, when correctly implemented.

Item Type:	Article
Peer-reviewed:	Yes
Date Deposited:	28 Jul 2017 08:11
Publisher:	Royal Society, The
Additional Information:	This is an Open Access article published in Royal Society Open Science, published by The Royal Society Publishing, copyright The Author(s).
Divisions:	Faculties > Arts and Humanities Faculties > Science and Engineering
Subject terms:	Science & Technology, Multidisciplinary Sciences, Science & Technology - Other Topics, synchronization, temporal behaviour, tracking, tendon, frame timing correction, medical imaging, TENDON, frame timing correction, medical imaging, synchronization, temporal behaviour, tendon, tracking, synchronization, temporal behaviour, tracking, tendon, frame timing correction, medical imaging
URI:	https://e-space.mmu.ac.uk/id/eprint/618744
DOI:	https://doi.org/10.1098/rsos.170245
ISSN	2054-5703

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