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Automated Generation of All-Hexahedron Finite Element Meshes for the Superstructure of Steel Girder Bridges from Laser Scanned Data on Unmanned Aerial Vehicles
­INV-22014 Cost and time-efficient method for accurate and high-resolution inspection of steel girder bridges Background According to a recent America’s Infrastructure report, 42% of bridges are at least 50 years old and 7.5% of the nation’s bridges are considered structurally deficient. To ensure the safety of in-service bridges,...
Published: 9/10/2024   |   Inventor(s): Jerome Hajjar, Yujie Yan
Keywords(s): Finite element mesh generation, Laser point cloud, Unmanned aerial vehicle
Category(s): Technology Classifications > 3. Computer Science > Software, Technology Classifications > 3. Computer Science > Computing Methods
Automated Assessment of Concrete Cracks in Bridges by Exploiting UAV-Based Lidar and Camera Data
­A collection of algorithms processing RGB image with Lidar data for detection and quantification of concrete cracks with high accuracy Institute Reference: INV-22013 Background Crack detection and characterization of concrete bridges is extremely important to define maintenance strategies and to optimize interventions. Existing crack assessment...
Published: 9/10/2024   |   Inventor(s): Jerome Hajjar, Yujie Yan
Keywords(s): Crack detection, Crack quantification, Lidar data, RGB images, Unmanned aerial vehicle
Category(s): -Sensors, Technology Classifications > 3. Computer Science > Deep Learning, Technology Classifications > 3. Computer Science > High Performance Computing, Technology Classifications > 3. Computer Science > AI, Technology Classifications > 3. Computer Science > Computing Methods