Automatic Extraction of Color Features from Landscape Images Based on Image Processing

Abstract

The dominant color features determine the presentation effect and visual experience of landscapes. The existing studies rarely quantify the application effect of landscape colors through image colorization. Besides, it is unreasonable to analyze landscape images with multiple standard colors with a single color space. To solve the problem, this paper proposes an automatic extraction method for color features from landscape images based on image processing. Firstly, a landscape lighting model was constructed based on color constancy theories, and the quality of landscape images was improved with color constant image enhancement technology. In this way, the low-level color features were extracted from the landscape image library. Next, support vector machine (SVM) and fuzzy c-means (FCM) were innovatively integrated to extract high-level color features from landscape images. The proposed method was proved effective through experiments.

Chromaticity Analysis on Ethnic Minority Color Landscape Culture in Tibetan Area: A Semantic Differential Approach

“…The progressive development of contemporary digital technology in software and hardware has assisted landscape research in transforming from qualitative descriptions of color to quantitative instrumental data [4]. Tan (2021) proposed an automatic extraction method for color features from landscape images based on image processing through experiments [24]. Shen, Yao and Li (2021) quantitatively evaluated the color harmony and suitability degree of the plant community and external environment according to the Moon-Spencer (M-S) color harmony theory [2].…”

“…Human beings obtain 80% of their information through vision, while color is the most sensitive and direct visual information symbol, affecting people's psychological perceptions [23]. Existing studies rarely quantify landscape colors through image analysis [24]. Wang and Hu (2014) analyzed the components of community landscape colors, the specialty of design, factors influencing community landscape color, and the application of color in residential community landscape design [25].…”

“…The three constituent colors are main color, auxiliary color, and decorative color, occupying about 70%, 25%, and 5% of the surface area of the product, respectively, which is widely adopted in the color design of color-area ratios [14]. The dominant color features determine landscapes' presentation and visual experience [24]. Urban tones are the overall effect constructed by the three colors and their combined relationships [28], as follows:…”