Visual Perception of Building and Household Vulnerability from Streets
Chaofeng Wang, Sarah Elizabeth Antos, Jessica Grayson Gosling, Goldsmith, Luis Miguel Triveno

TL;DR
This paper introduces a cost-effective, scalable framework using street view imagery and deep learning to assess building and household vulnerability in developing countries, aiding policy and investment decisions.
Contribution
It develops a novel evaluation framework that combines street view imagery with deep learning to reliably assess housing vulnerability at the block level, improving over traditional methods.
Findings
Predictions from street view images correlate with vulnerability index.
The framework is scalable and suitable for low-budget assessments.
It enhances the reliability of housing quality evaluations.
Abstract
In developing countries, building codes often are outdated or not enforced. As a result, a large portion of the housing stock is substandard and vulnerable to natural hazards and climate related events. Assessing housing quality is key to inform public policies and private investments. Standard assessment methods are typically carried out only on a sample / pilot basis due to its high costs or, when complete, tend to be obsolete due to the lack of compliance with recommended updating standards or not accessible to most users with the level of detail needed to take key policy or business decisions. Thus, we propose an evaluation framework that is cost-efficient for first capture and future updates, and is reliable at the block level. The framework complements existing work of using street view imagery combined with deep learning to automatically extract building information to assist the…
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Taxonomy
TopicsUrban Design and Spatial Analysis · Impact of Light on Environment and Health · Housing Market and Economics
