Aerial photos: the basics Aerial photographs are a little different than the photos you might take with your own camera. The primary aerial photographic product is a high-resolution (39 megapixel) digital color photograph. Depending on the camera lens, photos can b...
AUTHORS: Leah A. Wasser How LiDAR Works LiDAR is an active remote sensing system. An active system means that the system itself generates energy - in this case, light - to measure things on the ground. In a LiDAR system, light is emitted from a rapidly firing laser. You c...
On the afternoon of April 30, the first press conference of the 2020 Mount Everest elevation measurement was held at the Everest Base Camp, and the 2020 Mount Everest elevation measurement was officially launched. This year marks the 60th anniversary of the first successful ...
With the continuous development and progress of earth observation technology, and the continuous diversification of means for obtaining spatial information, the use of a single means of spatial data resources has been difficult to meet people's information needs. Lidar and hype...
Recently, at the second forum on remote sensing application technology held in Beijing, China's autonomous remote sensing image processing software has made great progress. With the development of remote sensing technology, remote sensing application
LiDAR(Light Detection And Ranging) technology is a rapid development of active remote sensing technology in recent 20 years. Different from the working mechanism of passive optical remote sensing, LiDAR can effectively detect the spatial structure and topography of forest veget...
This article provides a very brief introduction to geographic information systems (GIS) technology and the unique kinds of GIS data files that enable such technology. Most data management professionals are more experienced with “classical” tabular data in Cartesian (rows and ...
In recent years, lidar forest survey has attracted more and more people's attention. However, the hotter this new technology is, the more it needs to be understood from all aspects calmly. Single wood segmentation (based on CHM) Lidar forest survey technology,...
1.Tilt photogrammetry principle Tilt photography is the international remote sensing field of surveying and mapping emerging developed a high and new technology, combined with traditional aerial photography and close range measurement technology, to subvert the previous orth...
RS, GPS and GIS technology, referred to as "3 s" technology, remote sensing technology is (RemoteSensing, RS), geographical information system (GeographyInformationSystems, GIS) and global positioning systems (GPS GlobalPositioningSystems,) collectively, space technology, senso...
With the rapid development of China's social economy, the value of real estate is increasing accordingly, which makes the country pay more and more attention to real estate surveying and mapping, and the requirements are higher and higher.
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