UAV-based inspection of the Brighton Dam through 3D image-based modelling

  • A new robotic inspection method using camera-equipped UAVs was developed and tested 

  • A complex and large-scale gravity dam was chosen as a test site for the developed methodology

  • Utilizing both fixed wing and multi-rotor UAV platforms to capture 2D image dataset of different parts of the dam 

  • More than 2 thousand images were captured through multiple UAVs and later used in the image-based 3D reconstruction

  • The end product was a highly detailed dense 3D point cloud model with more than 2 billion points 

  • The combination of different stand-off distances and image resolutions in a multi-scale camera network improved the overall accuracy of the 3D model

  • View downstream part of the dam

  • View upstream part of the dam

Related Publications

Cornell University

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© 2019 Ali Khaloo​

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