Research Paper#3D Reconstruction, Remote Sensing, Foundation Models, Urban Modeling🔬 ResearchAnalyzed: Jan 3, 2026 16:28
SAM 3D for 3D Building Reconstruction from Remote Sensing Images
Published:Dec 27, 2025 03:47
•1 min read
•ArXiv
Analysis
This paper introduces and evaluates the use of SAM 3D, a general-purpose image-to-3D foundation model, for monocular 3D building reconstruction from remote sensing imagery. It's significant because it explores the application of a foundation model to a specific domain (urban modeling) and provides a benchmark against an existing method (TRELLIS). The paper highlights the potential of foundation models in this area and identifies limitations and future research directions, offering practical guidance for researchers.
Key Takeaways
- •SAM 3D shows promise for 3D building reconstruction from remote sensing images.
- •It outperforms TRELLIS in terms of roof geometry and boundary sharpness.
- •The paper explores a segment-reconstruct-compose pipeline for urban scene reconstruction.
- •It provides practical guidance for deploying foundation models in urban 3D reconstruction.
- •Identifies limitations and suggests future research directions, including scene-level structural priors.
Reference
“SAM 3D produces more coherent roof geometry and sharper boundaries compared to TRELLIS.”