Deformation analysis of the vocal folds from videostroboscopic image sequences of the larynx

The Journal of the Acoustical Society of America
A K SaadahC A Ramos

Abstract

Videostroboscopy is an examination which yields a permanent record of the moving vocal folds. Thus, it allows the diagnosis of abnormalities which contribute to voice disorders. In this paper, in order to find and quantify the deformation of the vocal folds in videostroboscopic recordings, an active contours- (snakes) based approach is used to delineate the vocal folds in each frame of the videostroboscopic image sequence. After this delineation, a new elastic registration algorithm is used to register the vocal fold contours between adjacent frames of the video sequence. This algorithm is based on the regularization principle and is very effective when large deformations are present. A least-squares approach is used to fit an affine model to the displacement vectors found by elastic registration. The parameters of this model, rotation, translation, and deformation along two principle axes, quantify the deformation and allow the succinct characterization of the videostroboscopic recordings based on the deformations that occurred. Experiments are shown with synthetic and real videostroboscopic data that demonstrate the value of the proposed approach.

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Citations

Sep 29, 2001·Journal of Voice : Official Journal of the Voice Foundation·I M Verdonck-de LeeuwH F Mahieu
Jul 19, 2013·The Journal of the Acoustical Society of America·Shanshan TangMingxi Wan
Apr 10, 2008·The Journal of the Acoustical Society of America·Tobias WurzbacherJörg Lohscheller
May 28, 2008·Journal of Voice : Official Journal of the Voice Foundation·Yu ZhangJack J Jiang
Mar 4, 2008·Journal of Voice : Official Journal of the Voice Foundation·Michael DoellingerMelda Kunduk
Feb 29, 2008·Medical Image Analysis·Michael StiglmayrJörg Lohscheller
May 12, 2011·IEEE Transactions on Bio-medical Engineering·Raphael SchwarzErcan Gurlek
May 25, 2011·IEEE Transactions on Bio-medical Engineering·Xulei QinMingxi Wan
Jul 15, 2015·Journal of Voice : Official Journal of the Voice Foundation·Silvia GoraAdi Primov-Fever
Sep 8, 2019·Medical & Biological Engineering & Computing·H Irem Turkmen, M Elif Karsligil

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