The Colorful Streets of Macau: Analyzing Architectural Color with Computer Vision

Published on September 16, 2022

Imagine you’re an artist walking down a vibrant street, your eyes dazzled by the array of colors. Well, that’s exactly what researchers did in Macau! They used a clever method combining professional color cards and software color recognition to quantitatively analyze the color of Avenida de Almeida Ribeiro. By examining the color composition, type, proportion, visual level, and color sequence of the street facade, they gained valuable insights into the architectural color of Macau. The combination of color card colorimetry and computer color recognition allowed them to capture not only the inherent colors of the buildings but also their interaction with the environment. This comprehensive method provided a complete picture of architectural and environmental colors. The study’s findings have practical applications for color planning and urban renewal in Macau and offer a new approach to studying urban color. Want to learn more? Check out the full article!

In this study, a new quantifiable and refined urban street color analysis method was proposed by combining professional color cards and efficient software color recognition, which solved the problems of low efficiency and difficulty in the quantification of urban color research and analysis. The research mainly uses China Building Color Card (CBCC) and Python (use programs for the HSV color segmentation of pictures) and other software to carry out color recognition for a street view. From the aspects of color composition, type, proportion, visual level, and color sequence of the street facade, this article makes a quantitative analysis of the color of Avenida de Almeida Ribeiro in Macao from multiple angles. The method of combining color card colorimetry with computer color recognition, which not only considers the inherent color of the building but also includes the color situation under the influence of the environment, can express the “actual color situation” of the building more completely. This article quantifies, combs, summarizes, and compares architectural color and environmental color completely. This method has good universality and ease of use in practice, and the conclusion of the study can provide a reference for the color planning of Macao, the color selection of urban renewal has reference significance, and provide a new method for the study of urban color.

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