Categories

  • 3D modeling

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    • by Marc Dubrule
    • 11-30-2016

    Photogrammetry software, combined with modern imaging sensors and low-cost UAVs, allow for a new evolution in 3D modeling.   780 Kennels new facility by Canfly Drones on Sketchfab The above 3D model is a new kennel built by 780 Kennels.  The model gives 780 Kennels a quick and easy method of demonstrating to customers the safety and security of the fencing surrounding their new facility.  Although traditional 2D static photos can give an overview of a facility, allowing a customer to interact with a 3D model brings a new level of understanding.  This is useful to 780 Kennels, who have a unique specialisation, as clients may not have an opportunity to visit the site before making a decision of using services provided by 780 Kennels.

  • Ortho images

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    • by Marc Dubrule
    • 11-30-2016

    Orthoimages obtained from UAVs Orthophotographs can be created from UAVs for very little cost investment.  Publicly available satellite imagery is available for nearly the entire globe, but resolution is typically measured in the the metres, or even tens of meters, where as UAVs may obtain ground sampling distances at the 1 cm level.  Further, satellite imagery can be months or years old.  UAV imagery can be obtained on demand, with turn around times approaching hours. Users of ortho mosaics include agriculture, forestry, survey, engineering, geographic information systems(GIS), and archaeology.  Construction is quickly becoming a user of UAV technology, as on-demand, low-cost ortho mosaic images of a small construction site can be created as frequently as the pace of construction, allowing tracking and double checking of progress, catching errors before coming costly prohibitive to repair.  That same imagery can be shared quickly with all members of the project through various web services, giving near real-time, high precision updates     This imagery was collected in a 15 minute flight at 780 Kennels, shortly after the opening of their new facility.  The ground sampling distance is approximately 2-3 cm, and the image is superimposed over freely available satellite imagery.  Zooming out shows how the land looked like prior to 780 Kennels development. The map may be opened in a separate window here.

  • Combining terrestrial LIDAR scans with UAV surveys

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    • by Marc Dubrule
    • 11-29-2016

    Terrestrial LIDAR scans produce great amounts of data, but are (currently) limited to being stuck on the earth. UAVs are inexpensive, and can produce very good results when paired with a reliable photogrammetry software. Data gathered from both methods can be joined together to make one structured point cloud. The owners of Marcampo were generous enough to allow their bed and breakfast, situated on a Tuscan vineyard, to be scanned during the International Reality Capture Workshop. The Marcampo project captured 14 terrestrial LIDAR scans from a Faro Focus 3D, and a combination of NADIR and oblique photos captured from a Sitescan 3DR Solo. All scans were indexed together using Autodesk Recap 360 Pro, and the resulting point cloud is shown below.    

  • Aerial imagery for inspections

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    • by Marc Dubrule
    • 11-27-2016

      Close-in inspections Advances in digital imaging, combined with a low-cost UAV platform, have created a safe, cost effective, and time-efficient method of inspecting hard-to-access areas.  The portability of UAVs allows for rapid deployment, with the possibility of real-time streaming of the data. Compared to the time and cost involved with installing scaffolding or other traditional methods, using a UAV is a very economical solution for inspections.       Wide angle inspections As a further bonus, a new perspective opens a wealth of information, that would otherwise require the use of a costly hired aircraft.