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The birth of UAV tilt photography technology has changed the way of traditional surveying and mapping. This technology acquires high-definition stereoscopic image data through drone low altitude multi-lens photography, automatically generates a three-dimensional geographic information model, and quickly achieves geographic information acquisition. With high efficiency, low cost, accurate data, flexible operation, and availability of side information, it meets the different needs of the surveying and mapping industry. Greatly adjust the collaborative work within and outside the surveying and mapping industry, and solve the work delays caused by external factors such as the weather, and transform the original large number of field work into internal work, which greatly liberates the surveyor’s labor time and reduces the number of Labor intensity. 
UAV tilt photography technology not only can truly reflect the ground features, but also can use advanced positioning technology to embed accurate geographic information, pick up richer image information, and give users a better experience. Which specific aspects can be applied to the data obtained by the drone tilt photography?
1. City Basic Information Complete Acquisition Machine The tilt photography technology can quickly obtain the city's feature information, including the frame information and elevation information of the urban housing, as well as the vector information of the roof. The insider can pass the frame and roof coordinates of the house. Wait for information to quickly generate DLG. 
2. Quickly establish a model library based on aviation tilt data, and use a third-party processing software to perform three-dimensional modeling of human-computer interaction through the extraction of tilted original data. The established model has a complete structure and clear texture quality. 
How to Select Lidar/Tilt Camera UAVs throughout the country. Although drone airborne laser radar/tilt cameras are used in geographic information mapping, smart cities, disaster census, and fault point inspections, they will The man-machine airborne radar/tilt camera technology has been applied to large-area geographic information mapping production, which can replace the man-machine to complete the fine-tuning of the entire line.
1 Multi-rotor UAV: ​​The load is generally less than 5kg, equipped with high-precision lidar / tilt camera equipment has a short dead time, more suitable for small-area tilt photography;
2 Fixed-wing UAVs: The flight speed is too fast. The most suitable speed for the lidar/tilt camera is 20-25 km/h. At the same time, the fixed-wing drone cannot fly too low. It is difficult to install the PTZ and it is difficult to shoot. High-quality surveying photos can be used for aerial photography, and it is difficult to do inclined photography.
3 Unmanned Helicopters: The safety and stability of unmanned helicopters are directly related to mapping and mapping effects. It is difficult for ordinary unmanned helicopters to complete high-precision tilting photography. The unique design of the Dragon50 cross-pilot unmanned helicopter makes it the current international A surveying-class drone that is rare on the domestic market. 
The Dragon50 tilt photography UAV is a multi-purpose, single-engine unmanned helicopter system imported from internationally renowned and well-known, supporting a variety of mission loads, such as lidar, hyperspectral cameras, multispectral cameras, etc. Compared with the traditional single-rotor helicopter, its safety and stability have been improved by 400%. It is the only unmanned aerial vehicle designated by many top international load companies such as Leica.
The Dragon50 unmanned helicopter in Switzerland has become the first single unmanned helicopter to carry laser radar equipment in China, making it easy and stable to build a digital system for the electric corridor. This system has created the world’s first lightweight airborne laser radar system and the world’s unmanned helicopter laser radar power line inspection line. Long mileage records... 
Functional features a. High degree of automation, full one-button autonomous takeoff and landing, autonomous flight navigation;
b. The unique crossover dual rotor mature unmanned helicopter system has created a record of 35kg carrying 50kg;
c. Long flight time, 5kg load can fly 3-4 hours;
d. The body's built-in load interface can carry a variety of mission loads (cameras, digital cameras, laser radar, Mini-SAR);
Technical Specifications a. Maximum life time: 3-4h;
b. Maximum flight speed: 80km/h;
c. Effective mission load: 37kg+13kg (oil);
d. fuselage length: about 2.18m;
e. Body width: 0.60m;
f. Fuselage height: 0.92m;
g. Main rotor length: 2.82m;
h. Weight: 38kg;
i. Maximum take-off weight: 88kg;
j.Limit limit: 3000m;
k. Working temperature: -10°C to +45°C;
l. Can carry multiple mission loads such as laser radar, video camera, digital camera, and Mini-SAR.
Our company has built a flight team of more than 100 people to provide fast and timely flight services anywhere in the country. At the same time, we can provide professional and customizable drone services according to your industry's needs. We are committed to creating drone services. China's well-known enterprises. If there are similar requirements, please contact 7D Aviation Survey Huang Dengjun (stock code: 430088) to recommend solutions for you. 
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Tilting photogrammetry technology comprehensively perceives complex scenes in a wide range, high precision, and high definition. The data generated by efficient data collection equipment and professional data processing flow intuitively reflects the appearance, position, height, and other attributes of the ground object. Real results and mapping accuracy provide assurance. At the same time, it effectively improves the production efficiency of the model, and the modeling of a small and medium-sized city that can be completed in one or two years using the artificial modeling method can be completed in three to five months through the tilt photography modeling method, which greatly reduces the three-dimensional model data. The economic cost and time cost of acquisition. At present, the application of tilted photogrammetry technology has been widely implemented at home and abroad. Tilting photography modeling data has gradually become an important content of urban spatial data framework. 7D Aerial Survey Tilt Photography Drone-Dragon50 Cross Sculls Unmanned Helicopter
January 12, 2024