Creating a Better DTM from Photogrammetic Points by Avoiding Shadows

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Martin Isenburg

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Nov 22, 2016, 10:34:51 AM11/22/16

to LAStools - efficient command line tools for LIDAR processing

Hello,

At INTERGEO 2016 in Hamburg, the guys from Aerowest GmbH shared with us a small photogrammetric point cloud from the city of Soest, Germany that had been generated with the SURE dense-matching software from nFrames. We want to test whether - using LAStools - we can generate a decent DTM from these points that are essentially a gridded DSM and not "real LiDAR". The result was written up in form of an instructive blog post:

http://rapidlasso.com/2016/11/22/creating-a-better-dtm-from-photogrammetic-points-by-avoiding-shadows/

Regards,

Martin @rapidlasso

soest_12_dtm_dsm.jpg