| Title | Component-Level Residential Building Material Stock Characterization Using Computer Vision Techniques |
|---|---|
| ID_Doc | 22255 |
| Authors | Dai, M; Jurczyk, J; Arbabi, H; Mao, R; Ward, W; Mayfield, M; Liu, G; Tingley, DD |
| Title | Component-Level Residential Building Material Stock Characterization Using Computer Vision Techniques |
| Year | 2024 |
| Published | Environmental Science & Technology, 58.0, 7 |
| Abstract | Residential building material stock constitutes a significant part of the built environment, providing crucial shelter and habitat services. The hypothesis concerning stock mass and composition has garnered considerable attention over the past decade. While previous research has mainly focused on the spatial analysis of building masses, it often neglected the component-level stock analysis or where heavy labor cost for onsite survey is required. This paper presents a novel approach for efficient component-level residential building stock accounting in the United Kingdom, utilizing drive-by street view images and building footprint data. We assessed four major construction materials: brick, stone, mortar, and glass. Compared to traditional approaches that utilize surveyed material intensity data, the developed method employs automatically extracted physical dimensions of building components incorporating predicted material types to calculate material mass. This not only improves efficiency but also enhances accuracy in managing the heterogeneity of building structures. The results revealed error rates of 5 and 22% for mortar and glass mass estimations and 8 and 7% for brick and stone mass estimations, with known wall types. These findings represent significant advancements in building material stock characterization and suggest that our approach has considerable potential for further research and practical applications. Especially, our method establishes a basis for evaluating the potential of component-level material reuse, serving the objectives of a circular economy. |
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