Searching for authors named "Eugene Fiume" – sorted by Relevance.
34 documents found, showing 1 through 10.
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Isometric Piecewise Polynomial Curves
- …The main preoccupations of research in computer-aided geometric design have been on shapespecification techniques for polynomial curves and surfaces, and on the continuity between segments or patches. When modelling with such techniques, curves and surfaces can be compressed or expanded arbitrarily.…
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Introduction Textures from Nonlinear Dynamical Cascades
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SOHO: Orthogonal and Symmetric Haar Wavelets on the Sphere
- …We propose the SOHO wavelet basis—the first spherical Haar wavelet basis that is both orthogonal and symmetric, making it particularly well suited for the approximation and processing of all-frequency signals on the sphere. We obtain the basis with a novel spherical subdivision scheme that defines a…
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Concrete Computation of Global Illumination Using Structured Sampling
- …A new methodology is presented for the computation of global illumination using structured sampling. Analytical/numerical solutions for illumination are developed for simple lighting configurations. These solutions are subsequently used to generate accurate reference images. The structured sampling …
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Structured Penumbral Irradiance Computation
- …A definitive understanding of irradiance behavior in penumbral regions has been hard to come by, mainly due to the computational expense of determining the visible parts of an area light source. Consequently, sampling strategies have been mostly ad hoc, and evaluation of the resulting approximations…
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Artistically Based Computer Generation of Expressive Motion
- …Understanding how to create the right movement for a specific character is a significant open problem in computer animation. This same problem, however, has been at the heart of the work of performance artists for hundreds of years. In this work, we try to learn from the lessons contained in the p…
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Structured-directed Sampling, Reconstruction and Data Representation for Global Illumination
- …The structure of the sampling and reconstruction process, as well as that of the scene and its data representation, can be utilised to effect significant benefits in global illumination algorithms. As an introduction, previous methods that have utilised this structure are reviewed and some possible …
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Methods for Exploring Expressive Stance
- …The postures a character adopts over time are a key expressive aspect of its movement. While IK tools help a character achieve positioning constraints, there are few tools that help an animator with the expressive aspects of a character's poses. Three aspects are required in good pose design: achiev…
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A Technique for Constructing Developable Surfaces
- …Paper, sheet metal, and many other materials are approximately unstretchable. The surfaces obtained by bending these materials can be flattened onto a plane without stretching or tearing. More precisely, there exists a transformation that maps the surface onto the plane,after which the length of any…
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A Multiple-Scale Stochastic Modelling Primitive
- …Stochastic modelling has been successfully used in computer graphics to model a wide array of natural phenomena. In modelling three-dimensional fuzzy or partially translucent phenomena, however, many approaches are hampered by high memory and computation requirements, and by a general lack of user c…
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