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December 10, 2025SustainabilityOpen Access

Nonlinear Perceptual Thresholds and Trade-Offs of Visual Environment in Historic Districts: Evidence from Street View Images in Shanghai

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Authors

ZWZhanzhu WangZWZhang Wei-yingYHYongming Huang

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Overview

Analytical framework reveals how visibility affects perceptions in Shanghai's historic districts, suggesting critical urban design actions.

Key Points

  • The study aims to understand nonlinear perceptual thresholds and trade-offs in historic districts of Shanghai.
  • Developed an analytical framework integrating spatial attributes with subjective perceptions.
  • Analyzed six historic districts using street-view imagery and point of interest data.
  • Employed an XGBoost model to identify nonlinear response patterns across perceptual dimensions.
  • Significant threshold-based effects observed from visual greenery and sky openness on positive perceptions.
  • Moderate densities enhance liveliness; high concentrations induce perceptual fatigue and negative emotions.
  • Perceptual quality shaped by dynamic trade-offs among natural features and cultural elements.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/69401d412d562116f28f82ebhttps://doi.org/10.3390/su172411075
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  1. 1Enhancing Pedestrian Satisfaction: A Quantitative Study of Visual Perception Elements2025 · 6 citations
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  3. 3Exploring Nonlinear Effects of Visual Elements on Perceived Landscape Quality in Historical and Cultural Districts: A Deep Learning Case from Wuhan, China2025 · 1 citations
  4. 4How Built Environment Characteristics Influence Urban Vitality in Historic Districts: The Mediating Role of Pedestrian Perception2026
  5. 5Effects of Acoustic and Visual Environmental Factors on Perceived Street Vitality in Historic Districts: A Case Study of Shangxiahang, Fuzhou2026