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Segment Anything Model for Road Network Graph Extraction
March 26, 2024, 4:47 a.m. | Congrui Hetang, Haoru Xue, Cindy Le, Tianwei Yue, Wenping Wang, Yihui He
cs.CV updates on arXiv.org arxiv.org
Abstract: We propose SAM-Road, an adaptation of the Segment Anything Model (SAM) for extracting large-scale, vectorized road network graphs from satellite imagery. To predict graph geometry, we formulate it as a dense semantic segmentation task, leveraging the inherent strengths of SAM. The image encoder of SAM is fine-tuned to produce probability masks for roads and intersections, from which the graph vertices are extracted via simple non-maximum suppression. To predict graph topology, we designed a lightweight transformer-based …
arxiv cs.cv extraction graph network segment segment anything segment anything model type
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