M. Aron, N. Ferveur, E. Kerrien, M. Berger, and Y. Laprie, Acquisition and synchronization of multimodal articulatory data, Interspeech'07, pp.1398-1401, 2007.
URL : https://hal.archives-ouvertes.fr/inria-00165869

M. Aron, E. Kerrien, M. Berger, and Y. Laprie, Coupling electromagnetic sensors and ultrasound images for tongue tracking: acquisition setup and preliminary results, Proc. of Int. Sem. on Speech Production, pp.435-442, 2006.
URL : https://hal.archives-ouvertes.fr/inria-00110634

M. Berger, G. Winterfeldt, and J. Lethor, Contour Tracking in Echocardiographic Sequences without Learning Stage: Application to the 3D Reconstruction of the Beating Left Ventricule, Medical Image Computing and Computer assisted Intervention, pp.508-515, 1999.
DOI : 10.1007/10704282_55

URL : https://hal.archives-ouvertes.fr/inria-00098833

A. Blake, R. Curwen, and A. Zisserman, A framework for spatiotemporal control in the tracking of visual contours, International Journal of Computer Vision, vol.8, issue.2, pp.127-145, 1993.
DOI : 10.1007/BF01469225

B. Horn and B. Schunck, Determining optical flow, Artificial Intelligence, vol.17, issue.1-3, pp.185-203, 1981.
DOI : 10.1016/0004-3702(81)90024-2

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.185.1651

M. Isard and A. Blake, Contour tracking by stochastic propagation of conditional density, Proc. of 4th European Conference on Computer Vision, pp.343-356, 1996.
DOI : 10.1007/BFb0015549

M. Kass, A. Witkin, and D. Terzopoulos, Snakes: Active contour models, International Journal of Computer Vision, vol.5, issue.6035, pp.321-331, 1988.
DOI : 10.1007/BF00133570

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.124.5318

M. Li, X. Khambhamettu, and M. Stone, Automatic contour tracking in ultrasound images, Clinical Linguistics & Phonetics, vol.10, issue.6-7, pp.545-554, 2005.
DOI : 10.1121/1.402934

M. Li, C. Kambhamettu, and M. C. Stone, A Level Set Approach for Shape Recovery of Open Contours, Asian Conference on Computer Vision, pp.601-611, 2006.
DOI : 10.1007/11612032_61

P. Hoole, Modelling tongue configuration in german vowel production, Proc. 5th Int. Conf. on Spoken Language Processing (ICSLP'98), pp.1863-1866, 1998.

M. Stone, A guide to analysing tongue motion from ultrasound images, Clinical Linguistics & Phonetics, vol.1, issue.6-7, pp.455-502, 2005.
DOI : 10.1016/S0167-6393(01)00053-X

L. Vincent, Grayscale area openings and closings, their efficient implementation and applications, 1st Worksh. on Mathem. Morphology and its Applics. to Sign. Proc., p, pp.22-27, 1993.
DOI : 10.1007/978-3-662-03039-4_13

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.125.6317

J. Weickert, Coherence-Enhancing Diffusion Filtering, International Journal of Computer Vision, vol.31, issue.2/3, pp.111-127, 1999.
DOI : 10.1023/A:1008009714131

D. Whalen, K. Iskarous, M. Tiede, D. Ostry, H. Lehnert-lehouillier et al., The Haskins Optically Corrected Ultrasound System (HOCUS), Journal of Speech Language and Hearing Research, vol.48, issue.3, pp.543-553, 2005.
DOI : 10.1044/1092-4388(2005/037)