Techniques

Models and Techniques in Computer Animation by Lance Williams (auth.), Prof. Nadia Magnenat Thalmann, Prof.

By Lance Williams (auth.), Prof. Nadia Magnenat Thalmann, Prof. Daniel Thalmann (eds.)

This e-book comprises the invited papers and a variety of study papers submitted to laptop Animation '93, the 5th overseas workshop on machine Animation, which used to be held in Geneva on June 16-18, 1993. This workshop, now an annual occasion, has been geared up by means of the pc images Society, the college of Geneva, and the Swiss Federal Institute of know-how in Lausanne. in the course of the foreign workshop on desktop Animation '93, the 6th Computer-generated movie pageant of Geneva, used to be additionally held. the amount offers unique learn effects and purposes adventure to many of the components of desktop animation. many of the contributions are on the topic of movement keep an eye on, visualization, human animation, and rendering techniques.

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J. Koenderink. Solid Shape. MIT Press, 1990. [12] E. Mehlum. Nonlinear splines. Computer Aided Geometric Design, pages 173-207, 1974. [13] G. Miller and A. Pearce. Globular dynamics a connected particle system for animating viscous fluids. In Computer Graphics (SIGGRAPH'89), Course 30 notes: Topics in Physically-based Modeling, pages R1-R23, Boston, MA, August 1990. ACM. [14] H. P. Moreton and C. H. Sequin. Functional optimization for fair surface design. In Computer Graphics (SIGGRAPH'88), pages 167-176, July 1992.

9. It is quite natural that t he opening angle gets wider as a flower gradually blooms. T herefore, B(o:) measures the degree of blooming of a flower. For exam ple, compare the sha pe of flowers in Fig. 485911. 2 (a)a=lO Fig. 9. The opening angle B(a) The flowers for a = 10 and -5 look like a closed bud and a full bloom, respectively. Their in-between images well interpolate an opening flower. Therefore, we hereafter fix the ran~~e of a as -5 ~a~ 10. If we consider a as the time parameter, it is rather counter-intuitive, since a flower reversely blooms as time passes.

His research interests include image processing, object recognition and computer graphics. P. 93 , 06902 Sophia-Antipolis, France. fr Yasuhiko Watanabe is Senior Research Engineer in the Vision and Graphics Group of NTT Human Interface Laboratories. He is presently engaged in research on 3D model based coding systems. Since joining the Electrical Communications laboratories, NTT, in 1981, he has been working on facsimile communication systems and computer graphics research. He received the Bachelor degree from Niigata University, Niigata, Japan, in 1981.

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