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Smart city article details
| Title | Incorporating Superpixel Context For Extracting Building From High-Resolution Remote Sensing Imagery |
|---|---|
| ID_Doc | 31130 |
| Authors | Fang F.; Zheng K.; Li S.; Xu R.; Hao Q.; Feng Y.; Zhou S. |
| Year | 2024 |
| Published | IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 17 |
| DOI | http://dx.doi.org/10.1109/JSTARS.2023.3337140 |
| Abstract | Extracting building from high-resolution (HR) remote sensing imagery (RSI) serves a variety of areas, such as smart city, environment management, and emergency disaster services. Previous building extraction methods primarily focus on pixel-level and superpixel-level features, which do not fully utilize the superpixel-level spatial context, leaving room for performance improvement. To bridge the gap, this study incorporates spatial context of both pixels and superpixels for building extraction of HR RSI. Specifically, the proposed method develops a trainable superpixel segmentation module to segment HR RSI into superpixels by fusing pixel features and pixel-level context. And a superpixel-level context aggregation module is devised to incorporate the multiple-scale spatial context of superpixels to extract buildings. Experiments on public challenging datasets show that our method is superior to the state-of-the-art baselines in accuracy, with better building boundaries and higher integrity. This study explores a new approach for HR RSI building extraction by introducing spatial context of superpixels, and a methodological reference for the HR RSI interpretation tasks. © 2023 The Authors. |
| Author Keywords | Building extraction; high-resolution (HR) remote sensing imagery (RSI); spatial context; superpixels |
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