Statistical correlates of perceived gloss in natural images.
作者： Christiane B. Wiebel , Matteo Toscani , Karl R. Gegenfurtner
DOI: 10.1016/J.VISRES.2015.04.010
关键词:
摘要: It is currently debated whether the perception of gloss linked to statistical parameters retinal image. In particular, it has been suggested that highly correlated with skewness luminance histogram. However, other psychophysical work artificial stimuli shown alone not enough induce gloss. Here, we analyzed many images natural surfaces search for potential correlates perceived We found indeed when using rendered stimuli, but standard deviation, a measure contrast, better photographs surfaces. verified important role contrast by manipulating and within images. Changing in significantly modulates gloss, histogram had only small effect.
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