Document Detail

A guide to analysing tongue motion from ultrasound images.
MedLine Citation:
PMID:  16206478     Owner:  NLM     Status:  MEDLINE    
This paper is meant to be an introduction to and general reference for ultrasound imaging for new and moderately experienced users of the instrument. The paper consists of eight sections. The first explains how ultrasound works, including beam properties, scan types and machine features. The second section discusses image quality, including the interpretation of anatomical features and artefacts seen in the image. The third section discusses the validity of the data collection procedures, including the effects of stabilizing the transducer and head position, and discusses some methods for stabilization. Section four discusses validation of the ultrasound and stabilization systems. The fifth section presents a sample recording set-up, supplemental information, and normalization strategies for sessions and subjects. In section six are methods of extracting contours from ultrasound images, displaying them, and analysing them. The seventh section considers the tracking of pellets on the tongue surface and the differences between tracking tissue points and continuous surfaces. The last section presents methods, challenges and results of 3D, computerized reconstruction of tongue surfaces. An outline of the paper can be found in Appendix I.
Maureen Stone
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, P.H.S.; Review    
Journal Detail:
Title:  Clinical linguistics & phonetics     Volume:  19     ISSN:  0269-9206     ISO Abbreviation:  Clin Linguist Phon     Publication Date:    2005 Sep-Nov
Date Detail:
Created Date:  2005-10-06     Completed Date:  2005-10-25     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8802622     Medline TA:  Clin Linguist Phon     Country:  England    
Other Details:
Languages:  eng     Pagination:  455-501     Citation Subset:  IM    
Department of Biomedical Sciences, University of Maryland Dental School, Baltimore, MD 21201, USA.
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MeSH Terms
Imaging, Three-Dimensional
Movement / physiology*
Principal Component Analysis
Sound Spectrography
Tongue / physiology*,  ultrasonography*
Ultrasonography / instrumentation,  methods
Grant Support

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