Tag Archives: inspection

Aerial inspection of a 19ha photovoltaic power plant by drone and infrared thermography

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Photovoltaic panel diagnostics – Detection and localization of superheated cells for yield losses evaluation. Results obtained by Tech Drone Service company.Post-processing by Drones Imaging. Infrared thermal orthophoto performed as part of an inspection to detect and locate defective cells affecting the performance of the photovoltaic plant. Below is an extract of deliverable (East area): standardized […]

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Cliff inspection by drone and photogrammetry in Bonifacio – Corsica

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Cliff inspection and 3D modeling as part of the redevelopment of the Bonifacio port infrastructure. Corsica, September 2018. Results obtained from 370 aerial images collected in collaboration by the companies Aérodronescorse and I-techdrone. As part of the redevelopment of its port infrastructure, the Territorial Collective of Corsica (CTC) engaged the services of the companies Aérodronescorse, […]

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Infrastructure inspection by drone – circularity study of a water tower

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Circularity study of a water tower by drone and aerial photogrammetry. Results obtained from 211 aerial images taken by the company Adeole. Post-processing by Drones Imaging. Inspection performed as part of a study to detect surface deformations and vertical defects of a circular structure. Realized with 3DReshaper, the calculation of successive horizontal sections over the […]

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Auscultation of a water tower walls and automatic damages detection

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Water tower inspection by drone and concrete structure diagnosis. Results obtained from 211 aerial images taken by the company Adeole. Post-processing by Drones Imaging. Circular inspection carried out as part of a study aimed to automate the step of surface damages detection. Realized with the 3DReshaper software, the flatness analysis of the Digital Surface Model […]

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3D survey of the Cap Champagne cliff – Reunion Island

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3D modeling of a cliff for stability and erosion analysis. Reunion island, february 2018. Results obtained from 1592 aerial images taken by the company Drone Austral, specialized in technical inspections by drones. The office of Geological and Mining Research (BRGM, in charge of the study and monitoring of geological risks in Reunion Island) solicited the […]

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Roof inspection by drone and aerial photogrammetry

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3d modeling and detection/localization of the sealing plates detachments. Results obtained from 235 aerial shots taken by the company Artech’Drone. Post-processing by Drones Imaging. Analysis carried out as part of an inspection aimed at detecting and locating the detachments of the waterproofing slabs (with 1.5cm minimum tolerance). In this use case and thanks to the […]

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3D modeling of a tourism residence – Merging lidar and photogrammetry

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3D modeling by aerial photogrammetry of a roof and merging on a cloud realized by terrestrial lidar system. Results obtained from 314 aerial images taken by the company Altitude Drone Diagnostic. Post-processing by Drones Imaging. 3D scan realized as part of the rehabilitation of ski stations in Val d’Isère. The 3D modeling of roof elements […]

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civil engineering structure – topographic survey of the Marly viaduct

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3D modeling by photogrammetry of the Marly viaduct (78). Results obtained from aerial images taken by the company Télépilote SAS.. Post processing by Drones Imaging. 3D modeling carried out as part of works to rehabilitate the viaduct and its retaining embankments. The 3D / 2D productions carried out by photogrammetry were delivered in vector form […]

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Inspection of a water tower by drone – cracks detection

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Inspection by photogrammetry of the 4 faces of a water tower. Results obtained from 1130 aerial images taken by the company AirCity Diagnostic. Post processing by Drones Imaging. 1130 aerial images and 9 GCPs made it possible to model the water tower in order to export 4 orthomosaics with a centimeter accuracy (SE, SW, NE […]

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Bridge inspection – Topographic survey by drone

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3D scan by photogrammetry of the downstream face of a bridge. Results obtained from 520 aerial images taken by the company AirCity Diagnostic. Post-processing by Drones Imaging. 520 aerial images and 6 Ground Control Points made it possible to completely model the downstream face of the bridge. Digital productions thus obtained were delivered in vector form (dense cloud) […]

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Photogrammetry with thermal imaging – Paris town hall

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Photogrammetry with thermal imaging of the West facade of the Paris town hall. Thermal imaging performed on December 15, 2016 between 07:00 – 08h00 AM and RGB capture between 10:00 and 11h00 AM.. Results obtained from 295 IRT images and 440 RGB images in tests designed to qualify the level of restitution of orthophotos made […]

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Aerial mapping and topographic survey of a photovoltaic solar power plant – Guyana

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Aerial Mapping and Inspection of Solar Panels. Results obtained from 1975 aerial images taken by the company Sentinel. Post processing by Drones Imaging. Topographic survey delivered in the form of an orthophoto + dense cloud. Compatible with Autocad, these geospatial data were used as support for the realization of a topographic map of the photovoltaic […]

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Topographic survey & inspection of an industrial site roofs

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Topographic survey & inspection of an industrial site roofs. Results obtained from 495 aerial images taken by the company Aerial Data. Post-processing by Drones Imaging. Topographic survey delivered in the form of a dense cloud of 10 million points (1 point every 5cm). Compatible with Autocad, the dense cloud and the orthophoto allowed the realization […]

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Roof inspections by drone – Avoriaz

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3D modeling and mapping of 4 roofs at the ski resort of Avoriaz. Results obtained from 3400 aerial images taken by the group Qualiconsult. Post-processing by Drones Imaging. On these 4 roofs in wood cladding, orthophotos and 3D models made it possible to quantify precisely the repairs to be undertaken but also the various maintenance work […]

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Photogrammetry applied to thermal imaging and solar panel inspections

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Aerial mapping – Infrared thermal orthophoto of solar panels. October 2016. Results obtained from a thermal video taken by the company Drone Services Hawaii with the FLIR XT camera. Post-processing by Drones Imaging. The 109 aerial photographs taken from the thermal video helped to produce and deliver an orthophoto whose resolution and spatial accuracy allow […]

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Church inspection by drone

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Architectural inspection of Bennecourt church. Topographic survey, October 2016. Results obtained from 650 aerial images taken by the company Ufly Drones. _ 3D modeling of the church allowed to export five georeferenced orthophotos (4 facades and roof) to achieve accurate plans of the Church. Source : Ufly Drones company. Airborne platform : drone MK. Camera : Sony […]

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Surveying and mapping by drone of the dam named Maman Valentin (Guyana)

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Technical control and inspection by drone of the dam named Maman Valentin in French Guiana. Topographical survey, July 2016. Results obtained from 1460 aerial photographs taken by the group Qualiconsult, expert in diagnostics and technical inspections. – _ The orthophoto and the digital surface model were used to diagnose the condition of the 11 water […]

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Flight training applied to photogrammetry: facade inspection

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Facade Inspection: Pietat church. Benoît Filliatre and Fabrice Prunier following technical and operational flight training (photogrammetry option) at our partner Air City Diagnostic. Here are the results after use of their images on one of the topics training: inspection of vertical walls. Topographic survey, July 2016. Below: result obtained from 277 aerial photographs shot under […]

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Engineering structure inspection by drone: underside of a deck

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Inspection of two spans of a viaduct in collaboration with the company Flying Eye. The Careï Viaduct is a highway bridge of 521m in length and located in Menton (department 06). 3D modeling obtained from 1398 aerial photographs taken by drone. The orthophoto of the underside of the deck built from 1932 images allowed to […]

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Technical inspection of a refinery chimney

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_ Orthophotos of the 4 sides of a refinery chimney. Work done from 6500 aerial photographs made by the French company Fovea Expertise, specialized in technical inspections by drones. The flights automation of the X6 drone Mikrokopter allowed to photograph (in ultra high definition: GSD 0.6mm) the whole structure in 360°. The images were subsequently […]

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