What is the Reddening Effect and does it really exist?

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dc.contributor.authorClausen, Olafen_US
dc.contributor.authorMarroquim, Ricardoen_US
dc.contributor.authorFuhrmann, Arnulphen_US
dc.contributor.authorWeigand, Holgeren_US
dc.contributor.editorKlein, Reinhard and Rushmeier, Hollyen_US
dc.date.accessioned2019-09-16T09:26:30Z
dc.date.available2019-09-16T09:26:30Z
dc.date.issued2019
dc.description.abstractThe simulation of light-matter interaction is a major challenge in computer graphics. Particularly challenging is the modelling of light-matter interaction of rough surfaces, which contain several different scales of roughness where many different scattering phenomena take place. There are still appearance critical phenomena that are weakly approximated or even not included at all by current BRDF models. One of these phenomena is the reddening effect, which describes a tilting of the reflectance spectra towards long wavelengths especially in the specular reflection. The observation that the reddening effect takes place on rough surfaces is new and the characteristics and source of the reddening effect have not been thoroughly researched and explained. Furthermore, it was not even clear whether the reddening really exists or the observed effect resulted from measurement errors. In this work we give a short introduction to the reddening effect and show that it is indeed a property of the material reflectance function, and does not originate from measurement errors or optical aberrations.en_US
dc.description.sectionheadersModels, Fitting, and Measurement
dc.description.seriesinformationWorkshop on Material Appearance Modeling
dc.identifier.doi10.2312/mam.20191309
dc.identifier.isbn978-3-03868-080-2
dc.identifier.issn2309-5059
dc.identifier.pages27-30
dc.identifier.urihttps://doi.org/10.2312/mam.20191309
dc.identifier.urihttps://diglib.eg.org:443/handle/10.2312/mam20191309
dc.publisherThe Eurographics Associationen_US
dc.subjectI.3.3 [Computer Graphics]
dc.subjectThree Dimensional Graphics and Realism
dc.subjectColor
dc.subjectshading
dc.subjectshadowing
dc.subjectand texture
dc.titleWhat is the Reddening Effect and does it really exist?en_US
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MAM2019: Eurographics Workshop on Material Appearance Modeling