Y. Tian, T. Kanade, and J. F. Cohn. "Robust lip tracking by combining shape, color and motion," in Proc. of ACCV'2000, Taipei, Taiwan, January 2000, pp. 10401045.  Home/Search   Document Details and Download   Summary   Related Articles

.... is applied to obtain the entire lip contour (for example Bsplines [5] When a small number of points (e.g. 6 points) are marked on the lip contour, these points are used to derive some model parameters for the lip contour (for example the widely used ellipsoidal model [7] or parabolic model [8]) In the latter case, the accuracy of lip contour extraction is limited by the fitness of the model to the real lip contour. For example, in the case of an asymmetric mouth image (due let s say to a displacement of the video camera) the model based lip contour representation might be different ....

Y. Tian, T. Kanade, and J. F. Cohn. "Robust lip tracking by combining shape, color and motion," in Proc. of ACCV'2000, Taipei, Taiwan, January 2000, pp. 10401045.

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