Extract DEM from Stereo Satellite Imagery Using Agisoft Metashape
Agisoft Metashape (formerly Agisoft Photoscan) is a well known Photogrammetric UAV/Drone Processing software. Using this software you can make DEM, DSM, DTM, orthophotos, orthomosaics, and 3D model from Drone / UAV survey. In the latest version, this software expanded its capabilities not only enable to process UAV/Drone Photos, but also Stereo / Tri Stereo Satellite Imagery. This feature is awesome because existing Stereo Satellite imagery processing is only can be facilitated by expensive remote sensing software like ERDAS IMAGINE, ENVI, PCI Geomatica, Socet Set. Different with dedicated remote sensing software, Agisoft Metashape can generate DEM without GCPs. Photogrammetry become more simple, altough if we talks about accuracy, that is another problem. Anyway here is my experiment and experience when I am trying the Agisoft Metashape for stereo satellite imagery processing.
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