Automatic 3-D Building Model Reconstruction from Very High Resolution Stereo Satellite Imagery

Author:

Partovi ORCID,Fraundorfer ORCID,Bahmanyar ,Huang ,Reinartz ORCID

Abstract

Recent advances in the availability of very high-resolution (VHR) satellite data together withefficient data acquisition and large area coverage have led to an upward trend in their applicationsfor automatic 3-D building model reconstruction which require large-scale and frequent updates,such as disaster monitoring and urban management. Digital Surface Models (DSMs) generatedfrom stereo satellite imagery suffer from mismatches, missing values, or blunders, resulting inrough building shape representations. To handle 3-D building model reconstruction using suchlow-quality DSMs, we propose a novel automatic multistage hybrid method using DSMs togetherwith orthorectified panchromatic (PAN) and pansharpened data (PS) of multispectral (MS) satelliteimagery. The algorithm consists of multiple steps including building boundary extraction anddecomposition, image-based roof type classification, and initial roof parameter computation whichare prior knowledge for the 3-D model fitting step. To fit 3-D models to the normalized DSM(nDSM) and to select the best one, a parameter optimization method based on exhaustive searchis used sequentially in 2-D and 3-D. Finally, the neighboring building models in a building blockare intersected to reconstruct the 3-D model of connecting roofs. All corresponding experimentsare conducted on a dataset including four different areas of Munich city containing 208 buildingswith different degrees of complexity. The results are evaluated both qualitatively and quantitatively.According to the results, the proposed approach can reliably reconstruct 3-D building models, eventhe complex ones with several inner yards and multiple orientations. Furthermore, the proposedapproach provides a high level of automation by limiting the number of primitive roof types and byperforming automatic parameter initialization.

Publisher

MDPI AG

Subject

General Earth and Planetary Sciences

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1. Optimisation of real‐scene 3D building models based on straight‐line constraints;The Photogrammetric Record;2024-07-24

2. Real-GDSR: Real-World Guided DSM Super-Resolution via Edge-Enhancing Residual Network;ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences;2024-06-10

3. Unit-level LoD2 Building Reconstruction from Satellite-derived Digital Surface Model and Orthophoto;ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences;2024-06-10

4. Indoor 3D wireframe construction from incomplete point clouds based on Gestalt rules;International Journal of Applied Earth Observation and Geoinformation;2024-06

5. Deep-Learning-Based Automated Building Information Modeling Reconstruction Using Orthophotos with Digital Surface Models;Buildings;2024-03-15

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