Saturday, 25 January 2020

remote sensing - What is NIR LiDAR?


Can LiDAR sensors collect near-infrared (NIR) data at the same time or does there need to be a separate NIR camera that is combined with the LiDAR data after collection?


Blue Marble makes reference to it in their latest release of global mapper: http://www.directionsmag.com/pressreleases/updated-global-mapper-lidar-module-now-supports-nir-lidar-data/444480



Answer



The simple answer is that lidar sensors coupled with NIR cameras can collect point cloud data that can then have the NIR values "embedded" with them, the same way RGB values can be assigned to point cloud data collected with high res photos.


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