Abstract
Methods of description and synthesis of facial expression based on isodensity maps are proposed in this paper. Previous methods have almost been based on the Facial Action Coding System (FACS), which describes facial expression using feature points extracted from facial parts such as eyes, nose, mouth, etc. However it is very difficult to extract such feature points, and to describe changes in density in variations such as wrinkles with feature points only. In contrast to these methods, isodensity maps are adopted in this paper as able to represent density variation of facial images and level planes. To describe facial expression, the physical state of a face must be described, and a tree structure, which is constructed based on the relationship among the loops of isodensity maps, is used for that purpose in this paper. Facial expression is synthesized by the characteristic points which are extracted from level planes. By using this method, changes of expression on the cheek and around the mouth are represented well between successive frames. The prospects of using these proposed methods for describing and synthesizing facial expression are very promising.
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References
O. Nakamura, T. Mizuno, N. Kono, J. Wazawa and T. Minarni: ‘Transmission System of Face Image using Knowledges on Facial Expression’ (in Japanese), PCSJ 87, 5–3, pp.77–78 (1987).
[] C. Choi, H. Harashima and T. Takebe: ‘Direct Estimation Method of Head Motion and Facial Expression Information in Knowledge-Based Image Coding’, (in Japanese), PCSJ 90, 3–2, pp.45–48(1990).
T. Mizuno, O. Nakamura and T. Minami: ‘Knowledge-based Coding of Facial Images based on the Analysis of Feature Points Motion and Isodensity Lines’, Proc. of SPIE Vol.199 Visual Communications and Image Processing 4 1199–27, pp.274–283 (1989).
I. So, O. Nakamura and T. Minami: ‘A Study on the Model-Based Coding System based on Isodensity Maps of Facial Images’, Proc. Of PCS 91, 10–1, pp.299–302 (1990).
I. So, O. Nakamura and T. Minami: ‘Model-Based Coding of Facial Images based on Facial Muscle Motion through Isodensity Maps’, Proc. of SPIE Vol. 1605 Visual Communications and Image Processing ’ 91, 1605–183, pp.263–272 (1991).
T. Mizuno, O. Nakamura and T. Minami: ‘A Study on Description and Classification of Human Face Expression’, (in Japanese), PCSJ 88, 7–8, pp.101–102 (1988).
K. Mase: ‘Detection of Facial Muscle Motion by Optical-flow’ (in Japanese), IEICE Tech. Rep., PRU 89–128(1989).
M. Kato, K. Ueno, K. Takahashi, O. Nakamura and T. Minami: ‘A Study of Personal Identification by Facial Images’, (in Japanese), IEICE Tech., ISEC 90–53(1991).
BJ. Schachter, A. Lev, S.W. Zucker and A. Rosefeld: ‘An Application of Relaxation Methods to Edge Reinforcement’, IEEE Trans., Vol.SMC-7, No.11, pp.813–816, Nov.1977.
P. Ekman, W.V. Friesen: ‘Facial Action Coding System’, Consulting Psychologist Press (1977).
F.I. Parke: ‘Parameterized Models for Facial Animation’, IEEE Computer Graphics and Applications Nov.1982.
K. Waters: ’A Muscle Model for Animating Three-Dimensional Facial Expression’, Proceedings of SIGGRAPH’87, Computer Graphics Vol. 21, No.4, pp.17–24, July 1987.
D. Terzopoulos and D. Metaxas: ‘Dynamic 3D Models with Local and Global Deformations: Deformable Superquadrics’, IEEE Trans. Patt. Anal. Mach. Intell., Vol. 13, No.7, pp.703–714, July 1991.
S.M. Platt and N.I. Badler: ‘Animating Facial Expressions’, Computer Graphics, Vol 15, No.3, August.1981.
L. Williams: ‘Performance-Driven Facial Animation’, Proceedings of SIGGRAPH’90, Computer Graphics, Vol.24, No.4, pp.235–242, August.1990
N.M. Thaimann and D. Thalmann: ‘Complex Models for Animating Synthetic Actors’, IEEE Computer Graphics and Applications pp.32–44, September.1991.
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© 1992 Springer-Verlag Tokyo
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Kato, M., So, I., Hishinuma, Y., Nakamura, O., Minami, T. (1992). Description and Synthesis of Facial Expression Based on Isodensity Maps. In: Kunii, T.L. (eds) Visual Computing. CG International Series. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68204-2_4
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DOI: https://doi.org/10.1007/978-4-431-68204-2_4
Publisher Name: Springer, Tokyo
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