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Wavelength Dependent Reflectance Functions (1994)
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| Venue: | In Computer Graphics Proceedings, Annual Conference Series |
| Citations: | 75 - 2 self |
BibTeX
@INPROCEEDINGS{Gondek94wavelengthdependent,
author = {Jay S. Gondek and Gary W. Meyer and Jonathan G. Newman},
title = {Wavelength Dependent Reflectance Functions},
booktitle = {In Computer Graphics Proceedings, Annual Conference Series},
year = {1994},
pages = {213--220},
publisher = {Press}
}
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Abstract
Abstract A wavelength based bidirectional reflectance function is developedfor use in realistic image synthesis. A geodesic sphere is employed to represent the BRDF, and a novel data structure is used to storethis description and to recall it for rendering purposes. A virtual goniospectrophotometer is implemented by using a Monte Carloray tracer to cast rays into a surface. An optics model that incorporates phase is used in the ray tracer to simulate interference effects.An adaptive subdivision technique is applied to elaborate the data structure from rays scattered into the hemisphere above the surface.The wavelength based BRDF and virtual goniospectrophotometer are utilized to analyze and make pictures of thin films, idealizedpigmented materials, and pearlescent paints.
Keyphrases
wavelength dependent reflectance function virtual goniospectrophotometer data structure optic model developedfor use ray tracer bidirectional reflectance function monte carloray tracer adaptive subdivision technique novel data structure thin film realistic image synthesis interference effect idealizedpigmented material pearlescent paint geodesic sphere
