Realistic 3D mouth animation using a minimal number of parameters

Lhassan Moubaraki, Jun Ohya

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Our work on real-time animation enhances the realism of computer-generated faces by improving mouth modeling and allowing protrusion: 3 points on the corner of the lips are detected and the mouth model is completely controlled by the horizontal height and vertical width (h, w) of the mouth. Our approach parametrically models lip motion and mouth protrusion using parameters (h, w) and a textured realistic 3D face model. The basic idea for our approach, given parameters (h, w), is to compute the opening angle at the corner of the mouth as well as the protrusion coefficients using a radial basis function neural network, and to obtain the lip shape using a piecewise spline interpolation. Once the accurate lip shape is computed, the motion is propagated to outer contours of the mouth area based on heuristics of mouth motion and assuming a symmetry of the face. The CG rendering and implementation of our mouth animation algorithm achieves interesting results in enhancing visual realism with minimal computational expense by more accurately modeling the lip shape.

Original languageEnglish
Title of host publicationRobot and Human Communication - Proceedings of the IEEE International Workshop
Editors Anon
Place of PublicationPiscataway, NJ, United States
PublisherIEEE
Pages201-206
Number of pages6
Publication statusPublished - 1996
Externally publishedYes
EventProceedings of the 1996 5th IEEE International Workshop on Robot and Human Communication, RO-MAN - Tsukuba, Jpn
Duration: 1996 Nov 111996 Nov 14

Other

OtherProceedings of the 1996 5th IEEE International Workshop on Robot and Human Communication, RO-MAN
CityTsukuba, Jpn
Period96/11/1196/11/14

Fingerprint

Animation
Splines
Interpolation
Neural networks

ASJC Scopus subject areas

  • Hardware and Architecture
  • Software

Cite this

Moubaraki, L., & Ohya, J. (1996). Realistic 3D mouth animation using a minimal number of parameters. In Anon (Ed.), Robot and Human Communication - Proceedings of the IEEE International Workshop (pp. 201-206). Piscataway, NJ, United States: IEEE.

Realistic 3D mouth animation using a minimal number of parameters. / Moubaraki, Lhassan; Ohya, Jun.

Robot and Human Communication - Proceedings of the IEEE International Workshop. ed. / Anon. Piscataway, NJ, United States : IEEE, 1996. p. 201-206.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Moubaraki, L & Ohya, J 1996, Realistic 3D mouth animation using a minimal number of parameters. in Anon (ed.), Robot and Human Communication - Proceedings of the IEEE International Workshop. IEEE, Piscataway, NJ, United States, pp. 201-206, Proceedings of the 1996 5th IEEE International Workshop on Robot and Human Communication, RO-MAN, Tsukuba, Jpn, 96/11/11.
Moubaraki L, Ohya J. Realistic 3D mouth animation using a minimal number of parameters. In Anon, editor, Robot and Human Communication - Proceedings of the IEEE International Workshop. Piscataway, NJ, United States: IEEE. 1996. p. 201-206
Moubaraki, Lhassan ; Ohya, Jun. / Realistic 3D mouth animation using a minimal number of parameters. Robot and Human Communication - Proceedings of the IEEE International Workshop. editor / Anon. Piscataway, NJ, United States : IEEE, 1996. pp. 201-206
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