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BRAILS (Building Recognition using AI at Large-Scale) provides a set of Python modules that utilize deep learning (DL), and computer vision (CV) techniques to extract information from satellite and street level images. The BRAILS framework also provides turn-key applications allowing users to put individual modules together to determine multiple attributes in a single pass or train general-purpose image classification, object detection, or semantic segmentation models.

Online documentation is available at https://nheri-simcenter.github.io/BRAILS-Documentation.

The easiest way to install the latest version of BRAILS is using pip:

pip install git+https://github.com/NHERI-SimCenter/BRAILS

This example demonstrates how to use the InventoryGenerator method embedded in BRAILS to generate regional-level inventories.

The primary input to InventoryGenerator is location. InventoryGenerator accepts four different location input: 1) region name, 2) list of region names, 3) bounding box of a region, 4) A GeoJSON file containing building footprints.

Please note that you will need a Google API Key to run InventoryGenerator.

#import InventoryGenerator:
from brails.InventoryGenerator import InventoryGenerator

# Initialize InventoryGenerator:
invGenerator = InventoryGenerator(location='Berkeley, CA',
                                  nbldgs=100, randomSelection=True,
                                  GoogleAPIKey="")

# Run InventoryGenerator to generate an inventory for the entered location:
# To run InventoryGenerator for all enabled attributes set attributes='all':
invGenerator.generate(attributes=['numstories','roofshape','buildingheight'])

# View generated inventory:
invGenerator.inventory

This work is based on material supported by the National Science Foundation under grants CMMI 1612843 and CMMI 2131111.

NHERI-SimCenter [email protected]

@misc{brails,
  title={NHERI-SimCenter/BRAILS: Release v2.0.0},
  journal={Zenodo}, 
  author={Wang, Charles and Hornauer, Sascha and Cetiner, Barbaros and Guo, Yunhui and McKenna, Frank and Yu, Qian and Yu, Stella X. and Taciroglu, Ertugrul and Law, Kincho H.,
  year={2021}, 
  month={Mar},
  url={https://zenodo.org/record/4570554}  
  doi="10.5281/zenodo.4570554"
}