Open Access
Model for Computer
Robert L. Cook,Kenneth E. Torrance +1 more
- 01 Jan 1982
26
TL;DR: In this article, a reflectance model for computer synthesized images is presented, which accounts for the relative brightness of different materials and light sources in the same scene and describes the directional distribution of the reflected light and a color shift that occurs as the reflectance changes with incidence angle.
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Abstract: A new reflectance model for rendering computer synthesized images is presented. The model accounts for the relative brightness of different materials and light sources in the same scene. It describes the directional distribution of the reflected light and a color shift that occurs as the reflectance changes with incidence angle. A method for obtaining the spectral energy distribution of the light reflected from an object made of a specific real material is presented, and a procedure for accurately reproducing the color associated with the spectral energy distribution is discussed. The model is applied to the simulation of a metal and a plastic.
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Citations
The determinants and expression of computer-related anger
TL;DR: It is concluded that computer anger is likely to be a source of stress for a small but significant number of people, that computers' non-sentience leads to physical disinhibition, but that evidence that the expression of computer anger in social environments is inhibited by fear of people's negative evaluations is weak.
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•Dissertation
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TL;DR: In this paper, the authors used digital photography in a hemispherical dome, enabling a set of 64 photographic images of an object to be captured in perfect pixel register, with each image illuminated from a different direction.
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•Proceedings Article
A Composite Spectral Model and Its Applications.
Yinlong Sun,F. David Fracchia,Mark S. Drew +2 more
- 01 Jan 2000
TL;DR: The sufficiency of a low-dimensional representation is shown analytically based on the characteristics of human perception to demonstrate advantages in all identified representation criteria including accuracy, compactness, computational efficiency, portability and flexibility.
11
The perception of simulated materials
Holly Rushmeier
- 11 Aug 2008
TL;DR: Numerically modeling the interaction of light with materials is an essential step in generating realistic synthetic images and insight is needed on the perceptual impact of material models when combined with global illumination methods.
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•Dissertation
Physically-based rendering and algebraic manipulation of volume models.
Abdul Rahman,Al-Fathiatul Habibah +1 more
- 01 Jan 2006
TL;DR: This item is brought to you by Swansea University and must not be sold in any format or medium without the formal permission of the copyright holder.
7
References
Thermal radiation heat transfer
Robert Siegel,John R. Howell +1 more
- 01 Jan 1981
TL;DR: In this article, a comprehensive discussion of heat transfer by thermal radiation is presented, including the radiative behavior of materials, radiation between surfaces, and gas radiation, and the use of the Monte Carlo technique in solving radiant exchange problems and problems of radiative transfer through absorbing-emitting media.
6.1K
Illumination for computer generated pictures
TL;DR: Human visual perception and the fundamental laws of optics are considered in the development of a shading rule that provides better quality and increased realism in generated images.
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The scattering of electromagnetic waves from rough surfaces
Petr Beckmann,Andre Spizzichino +1 more
- 01 Jan 1963
TL;DR: The scattering of electromagnetic waves from rough surfaces PDF is available at the online library of the University of Southern California as mentioned in this paper, where a complete collection of electromagnetic wave from rough surface books can be found.
•Book
An improved illumination model for shaded display
Turner Whitted
- 01 Dec 1988
TL;DR: In this article, a tree of "rays" extending from the viewer to the first surface encountered and from there to other surfaces and to the light sources is used to calculate the intensity of the light received by the viewer.
1.9K
•Book
Theory for off-specular reflection from roughened surfaces
K. E. Torrance,Ephraim M Sparrow +1 more
- 03 Jan 1992
TL;DR: In this paper, the directional distribution of radiant flux reflected from roughened surfaces is analyzed on the basis of geometrical optics, and the analysis successfully predicts the off-specular maxima in the reflection distribution which are observed experimentally and which emerge as the incidence angle increases.
1.8K