Spectral caustic rendering of a homogeneous caustic object based on wavelength clustering and eye sensitivity

Abstract

In the real world, the index of refraction of a refractive object (caustic object) varies across the wavelengths. Therefore, in physically based caustic rendering, we need to take into account spectral information. However, this may lead to prohibitive running time. In response, we propose a two-step acceleration scheme for spectral caustic rendering. Our… (More)
DOI: 10.1007/s00371-014-1037-z

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