Method, apparatus, and computer program product for geometric warps and deformations
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United States of America Patent
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Aug 19, 2003
Grant Date -
N/A
app pub date -
May 2, 2000
filing date -
May 2, 2000
priority date (Note) -
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Abstract
Techniques for geometric deformations in computer graphics are described, including a flexible and general modular methodology for constructing, analyzing, and evaluating geometric warps and deformations. Described techniques include establishing a set of source/target features (and related information) or parameter set for controlling deformation of a graphical model; a set of strength fields are established for controlling how strongly the transformation caused by the mapping of source feature to target feature will be applied to model points. A set of weighting fields modulates the influence of multiple source/target feature mappings on model points. Also described are variations on this technique that allow achieving results similar to conventional methods and additional functionality.
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