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L'utilisation des mesures saisies en vol en aérotriangulation

Abstract : During the short summers of 1986 and 1987 the Institut Géographique National of France conducted ten experiments to assess the capabilities of airborne measurements to reduce the need for ground control in aerial triangulation. First, aerial triangulation with very dense ground control and check points was nevertheless used ,in ail experiments, as a basis of comparison to evaluate the accuracy of airborne measurement data;when the degree of accuracy reached was considered sufficent, the second step was to use this data as observations in the adjustment with photogrammetrie measurements and reduced ground control; when possible, the third step was to eliminate ail ground control points, except one. In ail three steps the résulté were evaluated by computing the root mean error on the check points which were, for a part of them, inactivated control points
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  • HAL Id : tel-02153501, version 1



Claude Million. L'utilisation des mesures saisies en vol en aérotriangulation. Astrophysique [astro-ph]. Observatoire de Paris, 1991. Français. ⟨NNT : 1991OBSP0038⟩. ⟨tel-02153501⟩



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