| Remote sensing technologies have seen unprecedented developments in the past decade. Entirely new digital and powerful multi-sensory systems have been introduced regarding space, air, and ground platforms. Commercial satellite imaging has become mainstream; state-of-the-art systems not only provide better spatial (reaching to a level of 50 cm after the launch of Pleiades satellite)and spectral resolution (phenomenal improvement after the launch of hyperspectral sensors), but by using a constellation of satellites, temporal resolution has significantly improved and, in some cases, even multiple daily coverage is available. On airborne platforms, large-format digital aerial cameras and powerful LiDAR systems, supported by GPS/IMU-based direct georeferencing, represent the state-of-the-art. Also, terrestrial mobile mapping systems are rapidly spreading and are increasingly used in a variety of applications. Powerful geospatial workstations, offering a high level of automation, provide a common platform and a nearly |
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The LiDAR (Laser Radar) technology, which is based on active sensing and provides a direct 3D observation of the object space with centimetre level accuracy and is unquestionably the most important development on airborne and terrestrial platforms in the past decade. Since their introduction, LiDAR systems have seen phenomenal developments; the pulse rate increased by two orders, multi-pulse techniques have been introduced, the use of multiple returns with intensity has become the standard and full waveform LiDAR data has entered into applications.
LiDAR data has been applied in many applications due to their high spatial resolution, high geometric accuracy and efficiency. It shows great potential in the automated extraction of digital elevation models (DEM), digital surface models (DSM) and the extraction and monitoring of man-made features like buildings, power lines and dikes. |
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For further queries, please get in touch with: |
Aditi Bhandari
GM-Satellite Imaging aditi@shoghicom.com
+91-9560833221 |
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