A computer-implemented method for determining the three-dimensional geometry of a transparent glazing based on a mineral glass, said method using, as input data (11001, 11002): - a digital reference model (MOD-R) of the three-dimensional geometry of the glazing, and - at least two digital images (IM-1, IM-2) of a random light pattern projected onto the surface of the glazing, said images representing said pattern at two different observation angles relative to a normal to the surface of the glazing; said method providing, as output data, a digital model (MOD-R') of the three-dimensional geometry of said glazing; said method comprising: (a) a step of anchoring (ANCR) the digital reference model (MOD-R) to one of the digital images (IM-1, IM-2) by means of at least three anchoring points; (b) a step of calculating, based on the digital reference model (MOD-R), two virtual digital images (IM-V1, IM-V2) of the glazing at the same two observation angles as those of the two digital images (IM-1, IM-2) provided as input data; (c) a step of calculating the residues (C-RES) corresponding to the differences between the virtual images obtained in step (b) and the digital images (IM-1, IM-2) provided as input data; (d) a step of iterating steps (b) and (c), each iteration comprising a step of calculating (C-MOD) a modified digital model (MOD-R') based on a prior modified digital model (MOD-R') provided as input datum for said step (d), so as to minimise the values of the residues until they are under a previously defined threshold value σ, the modified digital model (MOD-R') then corresponding to the output datum. - a digital reference model (MOD-R) of the three-dimensional geometry of the glazing, and - at least two digital images (IM-1, IM-2) of a random light pattern projected onto the surface of the glazing, said images representing said pattern at two different observation angles relative to a normal to the surface of the glazing; said method providing, as output data, a digital model (MOD-R') of the three-dimensional geometry of said glazing; said method comprising: (a) a step of anchoring (ANCR) the digital reference model (MOD-R) to one of the digital images (IM-1, IM-2) by means of at least three anchoring points; (b) a step of calculating, based on the digital reference model (MOD-R), two virtual digital images (IM-V1, IM-V2) of the glazing at the same two observation angles as those of the two digital images (IM-1, IM-2) provided as input data; (c) a step of calculating the residues (C-RES) corresponding to the differences between the virtual images obtained in step (b) and the digital images (IM-1, IM-2) provided as input data; (d) a step of iterating steps (b) and (c), each iteration comprising a step of calculating (C-MOD) a modified digital model (MOD-R') based on a prior modified digital model (MOD-R') provided as input datum for said step (d), so as to minimise the values of the residues until they are under a previously defined threshold value σ, the modified digital model (MOD-R') then corresponding to the output datum. (a) a step of anchoring (ANCR) the digital reference model (MOD-R) to one of the digital images (IM-1, IM-2) by means of at least three anchoring points; (b) a step of calculating, based on the digital reference model (MOD-R), two virtual digital images (IM-V1, IM-V2) of the glazing at the same two observation angles as those of the two digital images (IM-1, IM-2) provided as input data; (c) a step of calculating the residues (C-RES) corresponding to the differences between the virtual images obtained in step (b) and the digital images (IM-1, IM-2) provided as input data; (d) a step of iterating steps (b) and (c), each iteration comprising a step of calculating (C-MOD) a modified digital model (MOD-R') based on a prior modified digital model (MOD-R') provided as input datum for said step (d), so as to minimise the values of the residues until they are under a previously defined threshold value σ, the modified digital model (MOD-R') then corresponding to the output datum.