Method for RPC refinement by means of a corrective 3D rotation

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United States of America Patent

PATENT NO 11933612
APP PUB NO 20230032712A1
SERIAL NO

17381554

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to computer-implemented method for the 3D reconstruction of a ground surface area by stereophotogrammetry, comprising the steps of:

    determining corrected Rational Polynomial Camera, RPC, models by performing bundle adjustment (BA) of original RPC models each provided with an image of a set of images of the ground surface area acquired by a remote imaging sensor and each associated to a corresponding original projection function ({Pm}) from a 3D object space to a 2D image space, wherein determining the corrected RPC models comprises determining corrected projection functions ({Pmcor}) from the 3D object space to the 2D image space; anddetermining (PC) a 3D point cloud representative (3DPC) of the ground surface area by triangulation, based on the corrected RPC models, of stereo correspondences within images of the set of images.

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Patent Owner(s)

  • KAYRROS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anger, Jérémy Bourg-la-Reine, FR 2 0
De, Franchis Carlo Paris, FR 5 18
Facciolo, Gabriele Cachan, FR 6 8
Mari, Roger Barcelona, ES 4 28

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