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Abstract

A method for calibrating a depth camera comprising the steps of:

S1) using a depth camera (DC) to be calibrated for acquiring a plurality of depth maps (DMS) of a physical three-dimensional reference object (PO), corresponding to different positions of the depth camera relative to the is reference object;S2) computing a three-dimensional reconstruction (3DRi) of the reference object from said depth maps, depending on values assigned to a set of calibration parameters (SCPi) of the depth camera;S3) computing an error (ERRi) between the three-dimensional reconstruction computed at step S2) and a predetermined digital model (RM) of the reference object;said steps S2) and S3) being iterated by assigning different values to said set of calibration parameters of the depth camera; andS4) choosing values (SCP) of said set of calibration parameters which minimize the error computed at step S3);said steps S2) to S4) being performed by a computer.

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First Claim