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Prospection archeologique
Prospection archeologique
Aeromapper, a UAV manufacturer, conducted a high mountain topography case study using their AVEM UAV, designed for BVLOS operations and equipped with a 24MPx RGB sensor. The study focused on mapping the Pic du Midi d’Ossau, a challenging task due to high altitudes and difficult weather conditions.
The Solution
The operation was commissioned by the Order of Expert Surveyors to promote drone usage in mapping complex areas. Partners included the Pyrénées-Atlantiques departmental chamber of the National Union of Surveyors, Géomesure, and the Teria network. The modeling was supported by Covadis software.
Client's Need
The Order of Expert Surveyors, established in 1946, required precise measurements of the Pic du Midi d’Ossau to manage the area within a national park and for environmental preservation.
Delivered Product
The project involved modeling 11 km² of terrain, using 19 targets and 40 Ground Control Points. The process generated a 3D model from 4305 images, resulting in a cloud of 300 million points, validated by expert surveyors.
Data Processing
The operation involved 50 personnel, with the AVEM UAV performing five flights over two days, capturing 4305 high-resolution images. Despite challenging conditions, the UAV executed its flight plans successfully.
Conclusion
The operation demonstrated the AVEM UAV's capability to map extreme areas with high precision, meeting industry standards. The 3D model will aid in area management and serve as an informational tool for hikers.
Catalog excerpts
CASE STUDY HIGH MOUNTAIN TOPOGRAPHY The “Order of Expert Surveyors” is a professional institution that was founded in 1946. Under the supervision of the Department of Urban Development, its purpose is to enforce legislation governing the profession and to supervise the activities of the professionals of the industry. THE CLIENT′S NEED This operation has been ordered by the Order of Expert Surveyors. They needed to provide a new measure of this French emblematic mountain and wanted to promote the use of drones to map large and complex areas. This measurement and modeling exercise has been set up with the support of many partners: the Pyrénées-Atlantiques departmental chamber of the National Union of Surveyors (UNGE), Aeromapper (Long range UAV manufacturer), Géomesure (Trimble distributor), Teria network (real time centimeter geolocation network). The modeling was conducted in conjunction with Covadis, a topography software published by Geomedia. THE SOLUTION Aeromapper is the manufacturer of the AVEM, a long-range UAV certified for BVLOS operations dedicated to high resolution mapping of large areas. Equipped with a 24MPx RGB sensor, the AVEM has up to 3h of endurance which is perfectly suited to this kind of operation. However, collecting data at an elevation of more than 3000m over mountainous terrain is no easy task: strong winds, clouds, turbulences, obstacles, ... were some of the challenges to take up! The AVEM did it perfectly. Aeromapper | 33, Rue de la Bièvre - 92340 - Bourg-la-Reine - FRANCE | Tel : +33 1 84 17 26 09 www.aeromapper.com | contact@aero
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Early wake up for the 50 people involved in the operation. After a hearty breakfast, our team went on a hike to the first takeoff site. By noon, the AVEM was launched and started collecting data. Despite wind and turbulences, the UAV flew perfectly its flight plans. Thanks to a thorough preliminary landing sites check, the AVEM came back to a landing without difficulty. The crew then moved on to a 2nd operation site to cover the west side of the peak. In 2 days, 5 flights were performed which represents a total of 4305 high resolution pictures with precise POS. DATA PROCESSING Modeling 11km2...
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AEROMAPPER 2018 - EN22 Pages
