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Computer generated animation of faces
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Proceedings of the ACM annual conference - Volume 1 table of contents
Boston, Massachusetts, United States
SESSION: SIGGRAPH 1 - Computer graphics table of contents
Pages: 451 - 457  
Year of Publication: 1972
Author
Frederick I. Parke  University of Utah
Sponsor
ACM: Association for Computing Machinery
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 19,   Downloads (12 Months): 183,   Citation Count: 48
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ABSTRACT

This paper describes the representation, animation and data collection techniques that have been used to produce "realistic" computer generated half-tone animated sequences of a human face changing expression. It was determined that approximating the surface of a face with a polygonal skin containing approximately 250 polygons defined by about 400 vertices is sufficient to achieve a realistic face. Animation was accomplished using a cosine interpolation scheme to fill in the intermediate frames between expressions. This approach is good enough to produce realistic facial motion. The three-dimensional data used to describe the expressions of the face was obtained photogrammetrically using pairs of photographs.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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Mahl, R., "Visible Surface Algorithm for Quadric Patches", Computer Science, University of Utah, Technical Report UTEC-CSc-70-111, December 1970.
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Gouraud, H., "Computer Display of Curved Surfaces", Computer Science, University of Utah, Technical Report UTEC-CSc-71-113, June 1971.
 
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Wylie, C., Romney, G., Evans, D., and Erdahl, A., "Half-tone Perspective Drawing by Computer", Proc FJCC, vol. 31, pp. 49-58, 1967.
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Kelley, K. C., "A Computer Program for the Generation of Half-Tone Images with Shadows", Coordinated Science Laboratory, University of Illinois, Report R-444, November 1969.
 
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Romeny, G. W., "Computer Assisted Assembly and Rendering of Solids", Rome Air Development Center, Griffiss Air Force Base, New York, Technical Report RADC-TR-69-365, September 1969.
 
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Rougelot, R. S. and Shoemaker, R., "G. E. Real Time Display", General Electric Co., Syracuse N. Y., NASA Report NAS 9-3916.
 
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Warnock, J. E., "A Hidden Surface Algorithm for Computer Generated Halftone Pictures", Computer Science, University of Utah, Technical Report 4-15, June 1969.
 
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Watkins, G. S., "A Real-Time Visible Surface Algorithm", Computer Science, University of Utah, Technical Report UTECH-CSc-70-101, June 1970.
 
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Coons, S. A., "Transformations and Matrices", Notes for the 1967 Summer School on Computer Graphics for Designers, University of Michigan, June 5-16, 1967.
 
13
Ahuja, D. V. and Coons, S. A., "Geometry for Construction and Display", IBM Systems Journal, vol. 7, pp. 188-205, 1968.
 
14
Swinehart, D. and Sproull B., "SAIL", Stanford Artificial Intelligence Project Operating Note No. 57.1, April 1970.

CITED BY  48