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Multipeak aniostropic microfacet model for iridescent surfaces.

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Title: Multipeak aniostropic microfacet model for iridescent surfaces.
Authors: Kang, Young-Min1 ymkang@tu.ac.kr, Lee, Do-Hoon2 dohoon@pusan.ac.kr, Cho, Hwan-Gue2 hgcho@pusan.ac.kr
Source: Multimedia Tools & Applications. Aug2015, Vol. 74 Issue 16, p6229-6242. 14p.
Subjects: Virtual reality software, CD-ROMs, Distribution (Probability theory), Computer graphics research, Wave diffraction
Abstract: In this paper, we propose an efficient iridescent rendering method. The iridescent colors on a surface is caused by the different reflection paths of rays with different wavelengths. In microfacet-based rendering model, the dominant reflection path of an incident light ray is statistically described by the microfacet-distribution function (MDF) of the surface. Therefore, the iridescent colors on the surface can be produced by applying different MDFs to different light wave channels. However, it is unnatural for a surface to have significantly different reflection properties in accordance with the light waves. Taking those into account, the proposed method employs identical and anisotropic microfacet distribution function(MDF) for each light wave channel, and rotates the identical anisotropic MDF of each channel with its own angle to produce iridescent reflection. The method also employs multi-peak MDF for the simulation of diffraction effects, and can be successfully applied to iridecent surface such as CD-ROM and mother-of-pearl (nacre) furniture. The experimental results demonstrate that the method enables interactive applications such as games or virtual reality softwares to plausibly express various cases of iridescent surfaces. [ABSTRACT FROM AUTHOR]
Copyright of Multimedia Tools & Applications is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="AR" term="%22Kang%2C+Young-Min%22">Kang, Young-Min</searchLink><relatesTo>1</relatesTo><i> ymkang@tu.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+Do-Hoon%22">Lee, Do-Hoon</searchLink><relatesTo>2</relatesTo><i> dohoon@pusan.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Cho%2C+Hwan-Gue%22">Cho, Hwan-Gue</searchLink><relatesTo>2</relatesTo><i> hgcho@pusan.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Multimedia+Tools+%26+Applications%22">Multimedia Tools & Applications</searchLink>. Aug2015, Vol. 74 Issue 16, p6229-6242. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Virtual+reality+software%22">Virtual reality software</searchLink><br /><searchLink fieldCode="DE" term="%22CD-ROMs%22">CD-ROMs</searchLink><br /><searchLink fieldCode="DE" term="%22Distribution+%28Probability+theory%29%22">Distribution (Probability theory)</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+graphics+research%22">Computer graphics research</searchLink><br /><searchLink fieldCode="DE" term="%22Wave+diffraction%22">Wave diffraction</searchLink>
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  Data: In this paper, we propose an efficient iridescent rendering method. The iridescent colors on a surface is caused by the different reflection paths of rays with different wavelengths. In microfacet-based rendering model, the dominant reflection path of an incident light ray is statistically described by the microfacet-distribution function (MDF) of the surface. Therefore, the iridescent colors on the surface can be produced by applying different MDFs to different light wave channels. However, it is unnatural for a surface to have significantly different reflection properties in accordance with the light waves. Taking those into account, the proposed method employs identical and anisotropic microfacet distribution function(MDF) for each light wave channel, and rotates the identical anisotropic MDF of each channel with its own angle to produce iridescent reflection. The method also employs multi-peak MDF for the simulation of diffraction effects, and can be successfully applied to iridecent surface such as CD-ROM and mother-of-pearl (nacre) furniture. The experimental results demonstrate that the method enables interactive applications such as games or virtual reality softwares to plausibly express various cases of iridescent surfaces. [ABSTRACT FROM AUTHOR]
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  Label:
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  Data: <i>Copyright of Multimedia Tools & Applications is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11042-014-2092-1
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              Text: Aug2015
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