RSBuilding: Towards General Remote Sensing Image Building Extraction and Change Detection with Foundation Model

• URL: http://arxiv.org/abs/2403.07564v2
• Date: Sun, 14 Apr 2024 14:11:58 GMT
• Title: RSBuilding: Towards General Remote Sensing Image Building Extraction and Change Detection with Foundation Model
• Authors: Mingze Wang, Lili Su, Cilin Yan, Sheng Xu, Pengcheng Yuan, Xiaolong Jiang, Baochang Zhang,
• Abstract summary: We propose a comprehensive remote sensing image building model, termed RSBuilding, developed from the perspective of the foundation model. RSBuilding is designed to enhance cross-scene generalization and task understanding. Our model was trained on a dataset comprising up to 245,000 images and validated on multiple building extraction and change detection datasets.
• Score: 22.56227565913003
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The intelligent interpretation of buildings plays a significant role in urban planning and management, macroeconomic analysis, population dynamics, etc. Remote sensing image building interpretation primarily encompasses building extraction and change detection. However, current methodologies often treat these two tasks as separate entities, thereby failing to leverage shared knowledge. Moreover, the complexity and diversity of remote sensing image scenes pose additional challenges, as most algorithms are designed to model individual small datasets, thus lacking cross-scene generalization. In this paper, we propose a comprehensive remote sensing image building understanding model, termed RSBuilding, developed from the perspective of the foundation model. RSBuilding is designed to enhance cross-scene generalization and task universality. Specifically, we extract image features based on the prior knowledge of the foundation model and devise a multi-level feature sampler to augment scale information. To unify task representation and integrate image spatiotemporal clues, we introduce a cross-attention decoder with task prompts. Addressing the current shortage of datasets that incorporate annotations for both tasks, we have developed a federated training strategy to facilitate smooth model convergence even when supervision for some tasks is missing, thereby bolstering the complementarity of different tasks. Our model was trained on a dataset comprising up to 245,000 images and validated on multiple building extraction and change detection datasets. The experimental results substantiate that RSBuilding can concurrently handle two structurally distinct tasks and exhibits robust zero-shot generalization capabilities.

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