Inspecting the Tseuzier Dam with an albris Drone

senseFly put the albris inspection drone through its paces at the Tseuzier dam in Switzerland. The aim: produce a high-resolution photographic record of the dam's downstream face that its operator could use as part of its inspection report. Project carried out in collaboration with: Electricité de la Lienne and Energies Sion Région. Read the case study: www.sensefly.c...

[@kopterflug7814]

Wow, what an awesome job. Respect! Greetings from Germany

[@airmarketinc]

Great video! With the #OrovilleDamCollapse in the US last week, governments and infrastructure experts in EVERY country would benefit from using drone inspection teams to assess the integrity of dams, bridges and surrounding areas. These very efficient, cost-saving tools gather high-resolution aerial photos and video to provide an immediate assessment of the current conditions of cracks and past repairs. . More importantly, drone aerial data provides a benchmark to easily, accurately re-inspect and monitor degradation and changes. #GoodDroneWork #DroneCaseStudies.

[@davidgarciaramirez7285]

How long did it take the computer to post-process? There are many photographs. and how does AutoCAD work fluently?
Nice job.

[@sensefly]

Thanks, David!
A total of 7,000 high-resolution photos of Tseuzier dam were captured-no small task in terms of subsequent image processing and orthomosaic (orthophoto) creation.
Using an Asus laptop PC running 32 GB of RAM, senseFly’s team used Pix4Dmapper Pro to process the data. Initial processing took one week. A few manual tiepoints were then added in areas of insufficient overlap, before an additional 40 hours of point cloud densification. This was followed by two days creating four orthomosaics, spanning different, overlapping sections of the dam’s face, then two further days to analyse these orthoplanes in order to create Electricité de la Lienne’s defect report.
You can read the case study here: www.sensefly.com/app/uploads/2017/11/documenting_large_dam_senseFlys_albris_inspection_drone.pdf

[@martiwoodchip4518]

This is something that the operators of Oroville Dam in California should learn how to do since they cannot even keep a spillway intact!

[@Jasonreninsh]

in whole processing, only photo for 3Dclouding? no lidar? how to handle with those trees? still with photos only?

[@gelsonnunes9216]

Dear,
Do you have any application case studies on aircraft inspections?
I'm looking for drones for this application, with autonomous flight mode that can fly through some way points around the aircraft getting images for evaluation from a quality inspector.
Thanks

[@MichaelBrown-zw4we]

Hi Gelson, hope you are doing well. I'm not sure if you've found your answers yet but if you feel like chatting please don't hesitate to contact me. [e-mail]

[@johnk5479]

What software did you use to create the 3D rendering?

[@sensefly]

We used Pix4Dmapper Pro which is optional with senseFly drones.