| Source: | YouTube |
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| Added: | 4 years ago |
| Tags: | photosat, terrain, elevation, model, mapping, satellite, imaging, survey |
| Categories: | Library |
| Description: | http://photosat.ca/high_definition_elevation.html This study shows the match between a 2m square grid of elevations, also called a DEM or a DSM produced from the stereo IKONOS satellite images and 10,081 independently surveyed elevation check points. |
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