Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13366
Title: The sensitive and efficient detection of quadriceps muscle thickness changes in cross-sectional plane using ultrasonography : a feasibility investigation
Authors: Li, J
Zhou, Y
Lu, Y
Zhou, G
Wang, L
Zheng, YP 
Issue Date: 2014
Source: IEEE Journal of Biomedical and Health Informatics, 2014, v. 18, no. 2, 6570488, p. 628-635
Abstract: As a direct determinant parameter to quantify muscle activity, the muscle thickness (MT) has been investigated in many aspects and for various purposes. Ultrasonography (US) is a promising modality to detect muscle morphological changes during contractions since it is portable, noninvasive, and real time. However, there are few reports on sensitive and efficient estimation of changes of MT in a cross-sectional plane. In this feasibility investigation, we proposed a coarse-to-fine method based on a compressive-tracking algorithm for estimation of MT changes during an example task of isometric knee extension using ultrasound images. The sensitivity and efficiency are evaluated with 1920 US images from quadriceps muscle (QM) in eight subjects. The detection results were compared with those obtained from both traditional manual measurement and the well known normalized cross-correlation method, and the effect of the size of tracking window on detection performance was evaluated as well. It is demonstrated that the proposed method agrees well with the manual measurement. Meanwhile, it is not only sensitive to relatively small changes of MT but also computationally efficient.
Keywords: Compressive tracking
Isometric knee extension
Muscle thickness (MT)
Normalized cross correlation (NCC)
Quadriceps muscle (QM)
Sonomyography
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
Journal: IEEE Journal of Biomedical and Health Informatics 
ISSN: 2168-2194
DOI: 10.1109/JBHI.2013.2275002
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