A Measurement of Visual Complexity for Heterogeneity in the Built Environment Based on Fractal Dimension and Its Application in Two Gardens

分形维数 人类视觉系统模型 计算机科学 人工智能 分形分析 分形 预处理器 计算机视觉 计算 维数(图论) 模式识别(心理学) 数学 图像(数学) 算法 数学分析 纯数学
作者
Lan Ma,Shaoying He,Mingzhen Lu
出处
期刊:Fractal and fractional [MDPI AG]
卷期号:5 (4): 278-278 被引量:12
标识
DOI:10.3390/fractalfract5040278
摘要

In this study, a fractal dimension-based method has been developed to compute the visual complexity of the heterogeneity in the built environment. The built environment is a very complex combination, structurally consisting of both natural and artificial elements. Its fractal dimension computation is often disturbed by the homogenous visual redundancy, which is textured but needs less attention to process, so that it leads to a pseudo-evaluation of visual complexity in the built environment. Based on human visual perception, the study developed a method: fractal dimension of heterogeneity in the built environment, which includes Potts segmentation and Canny edge detection as image preprocessing procedure and fractal dimension as computation procedure. This proposed method effectively extracts perceptually meaningful edge structures in the visual image and computes its visual complexity which is consistent with human visual characteristics. In addition, an evaluation system combining the proposed method and the traditional method has been established to classify and assess the visual complexity of the scenario more comprehensively. Two different gardens had been computed and analyzed to demonstrate that the proposed method and the evaluation system provide a robust and accurate way to measure the visual complexity in the built environment.

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