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From real-time MRI to 3D tongue movements
KTH, Superseded Departments, Speech, Music and Hearing.
2004 (English)In: INTERSPEECH 2004: ICSLP 8th International Conference on Spoken Language Processing / [ed] Kim, S. H.; Young, D. H., 2004, 1109-1112 p.Conference paper (Refereed)
Abstract [en]

Real-time Magnetic Resonance Imaging (MRI) at 9 images/s of the midsagittal plane is used as input to a threedimensionaltongue model, previously generated based onsustained articulations imaged with static MRI. The aimis two-fold, firstly to use articulatory inversion to extrapolatethe midsagittal tongue movements to three-dimensionalmovements, secondly to determine the accuracy of thetongue model in replicating the real-time midsagittal tongueshapes. The evaluation of the inversion shows that the realtimemidsagittal contour is reproduced with acceptable accuracy.This means that the 3D model can be used to representreal-time articulations, eventhough the artificially sustainedarticulations on which it was based were hyperarticulated andhad a backward displacement of the tongue.

Place, publisher, year, edition, pages
2004. 1109-1112 p.
National Category
Computer Science Language Technology (Computational Linguistics)
URN: urn:nbn:se:kth:diva-51810OAI: diva2:465105
NTERSPEECH 2004 - ICSLP 8th International Conference on Spoken Language Processing. Jeju Island, Korea. October 4-8, 2004
QC 20120111. tmh_import_11_12_14Available from: 2011-12-14 Created: 2011-12-14 Last updated: 2012-01-11Bibliographically approved

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