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Statistics of colors in paintings and natural scenes

机译:绘画和自然场景中的颜色统计

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摘要

Painters reproduce some spatial statistical regularities of natural scenes. To what extent they replicate their color statistics is an open question. We investigated this question by analyzing the colors of 50 natural scenes of rural and urban environments and 44 paintings with abstract and figurative compositions. The analysis was carried out using hyperspectral imaging data from both sets and focused on the gamut and distribution of colors in the CIELAB space. The results showed that paintings, like natural scenes, have gamuts with elongated shapes in the yellow-blue direction but more tilted to the red direction. It was also found that the fraction of discernible colors, expressed as a function of the number of occurrences in the scene or painting, is well described by power laws. These have similar distribution of slopes in a log-log scale for paintings and natural scenes. These features are observed in both abstract and figurative compositions. These results suggest that the underlying chromatic structure of artistic compositions generally follows the main statistical features of the natural environment. (C) 2016 Optical Society of America
机译:画家再现了自然场景的一些空间统计规律。他们在多大程度上复制其颜色统计数据是一个悬而未决的问题。我们通过分析50种乡村和城市环境的自然场景和44幅具有抽象和具象构图的绘画的色彩来调查这个问题。分析使用两组的高光谱成像数据进行,并着重于CIELAB空间中的色域和颜色分布。结果表明,绘画与自然场景一样,具有在黄蓝色方向上呈细长形但向红色方向倾斜的色域。还发现,幂定律很好地描述了可辨别的颜色分数(表示为场景或绘画中出现的次数的函数)。对于绘画和自然场景,这些具有类似的对数对数比例的坡度分布。这些特征在抽象和象征性作品中都可以观察到。这些结果表明,艺术作品的潜在色彩结构通常遵循自然环境的主要统计特征。 (C)2016美国眼镜学会

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