| 摘要 |
A method of modelling real objects represented in an image of the terrestrial surface, in particular buildings, on the basis of a geographically referenced image, the image being produced by an aerial or space sensor associated with a physical picture-capture model, comprises at least the following steps: choosing a parametric model of the external surface of the said real object; for several suites of parameters of the said model: projecting the parametrized model into the image by applying the physical picture-capture model, and evaluating the fit between the projected model and the radiometric characteristics of the image; and determining the parameters of the model for which the fit is the best so as to model the said object with these parameters. The method of modelling applies notably to teledetection, digital geography, to the construction of urban 3D databases or their updating.
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