Do colored highlights look like highlights? Shin'ya Nishida 1

Gloss is a reflectance attribute characterized by the magnitude of specular reflection relative to that of the diffuse reflection. We have shown that gloss perception for achromatic surface images may be based on the analysis of simple image statistics, such as the skewness of luminance and/or subband histogram (Motoyoshi et al, 2007; Sharan et al, 2008). Now we consider how chromatic information influences gloss perception. Glossy material (1): Metals Metal surface reflectance consists only of the specular component that may or may not be spectrally neutral (monochromatic reflectance model: Healey, 1988). Observers can use surface color to infer material (e.g., gold, silver, copper), but color does not seem to play an essentia