Tissue strains and tongue shapes: Combining tMRI and Ultrasound.

Number 1311
Year 2003
Drawer 25
Entry Date 01/16/2008
Authors Maureen Stone, Vijay Parthasarathy, Khalil Iskarous, Moriel NessAiver, Jerry L. Prince
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Publication Proceedings of the 15th International Congress of Phonetic Sciences. Barcelona, Spain. August 3-9, 2003. Universitat Autònoma de Barcelona, pp.273-276.
url http://www.haskins.yale.edu/Reprints/HL1311.pdf
Abstract This project examines tongue surface shapes and internal strains using supine ultrsound and tagged Cine-MRI (tMRI) images. Mid-sagittal tongue slices were recorded for identical utterances and as similar a recording procedure as possible for both instruments. Tongue surface contours, extracted from ultrasound and conventional MRI, were registered. Local measures of Eulerian strain fields were extracted from the tMRI. Visual groupings of local internal strains were done.
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