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Art through the Colors of Graffiti: From the Perspective of the Chromatic Structure

机译:涂鸦色彩中的艺术:色彩结构的视角

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摘要

Graffiti is a general term that describes inscriptions on a wall, a practice with ancient origins, ranging from simple drawings and writings to elaborate pictorial representations. Nowadays, the term graffiti commonly describes the street art dedicated to wall paintings, which raises complex questions, including sociological, legal, political and aesthetic issues. Here we examine the aesthetics of graffiti colors by quantitatively characterizing and comparing their chromatic structure to that of traditional paintings in museums and natural scenes obtained by hyperspectral imaging. Two hundred twenty-eight photos of graffiti were taken in the city of São Paulo, Brazil. The colors of graffiti were represented in a color space and characterized by several statistical parameters. We found that graffiti have chromatic structures similar to those of traditional paintings, namely their preferred colors, distribution, and balance. In particular, they have color gamuts with the same degree of elongation, revealing a tendency for combining similar colors in the same proportions. Like more traditional artists, the preferred colors are close to the yellow–blue axis of color space, suggesting that graffiti artists’ color choices also mimic those of the natural world. Even so, graffiti tend to have larger color gamuts due to the availability of a new generation of synthetic pigments, resulting in a greater freedom in color choice. A complementary analysis of graffiti from other countries supports the global generalization of these findings. By sharing their color structures with those of paintings, graffiti contribute to bringing art to the cities.
机译:涂鸦是一个通用术语,用于描述墙上的铭文,这是一种具有悠久历史的习俗,范围从简单的绘图和文字到精美的图形表示。如今,涂鸦一词通常是指专门用于壁画的街头艺术,它引起了包括社会学,法律,政治和美学问题在内的复杂问题。在这里,我们通过定量表征涂鸦色彩的色度结构并将其与博物馆中传统绘画的色度结构以及通过高光谱成像获得的自然场景进行比较,来研究涂鸦色的美学。在巴西圣保罗市拍摄了228张涂鸦照片。涂鸦的颜色在一个颜色空间中表示,并通过几个统计参数进行表征。我们发现涂鸦具有与传统绘画相似的色度结构,即其首选的颜色,分布和平衡。特别地,它们具有相同程度的伸长度的色域,显示出以相同比例组合相似颜色的趋势。与更传统的艺术家一样,首选的颜色接近颜色空间的黄蓝色轴,这表明涂鸦艺术家的颜色选择也模仿了自然界的颜色。即便如此,由于新一代合成颜料的出现,涂鸦倾向于具有更大的色域,从而在颜色选择方面拥有更大的自由度。对来自其他国家的涂鸦的补充分析支持了这些发现的全球推广。通过与绘画共享色彩结构,涂鸦有助于将艺术带入城市。

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