Patent ID: 9547935
Date: 2017-01-17
CPC Classifications: G01C,G06T,G09B

Claim:
1. A method for building a 3D model of an area of interest on the surface of a planet, the method comprising: providing a plurality of 2D images taken from at least two different satellites, where each 2D image out of the plurality of 2D images at least partly covers the area of interest, and where each subarea of the area of interest is covered by at least three images, taken from different angles, out of the plurality of 2D images; performing bundle adjustments for the plurality of 2D images; dividing the area of interest into parts, wherein said step of dividing comprises for each part of the area of interest: combining the 3D models from each part of the area of interest to a 3D model of the whole area of interest.