Reconstructing three-dimensional tongue trajectories using multiplanar paced sonography
Keywords:Acoustic equipment, Biomechanics, Computer software, Image reconstruction, Principal component analysis, Velocity measurement, Speech data, Surface velocity, Tongue
AbstractA three-dimensional tongue trajectory was reconstructed using multiplaner paced sonography to investigate biomechanical aspects of tongue movement - surface velocity and functional segmentation. The functional segments in tongue movement were identified using principle component analysis. Ultra-CATS software tool developed semi-automatic tongue contour tracings and helped to analyze the speech data. The method enabled the analysis of speech disorders resulting from structural defects or neurogenic movement disorders.
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