ReSuMenEn el presente artículo se analiza la posibilidad de reutilizar pares fotogramétricos obtenidos originalmente con vistas a su restitución vectorial, con el fin de obtener nuevos productos cartográficos como modelos 3D con textura fotográfica y ortofotografías. Para ello se aplican las técnicas de visión por computador denominadas SFM (Structure From Motion, estructura a partir del movimiento). El artículo muestra los resultados de la aplicación en diversos ejemplos de manera que se puede apreciar los factores que condicionan la calidad de los resultados. Finalmente, se incluyen algunas conclusiones respecto a la utilidad de los algoritmos SFM en el ámbito de la Arqueología de la Arquitectura.Palabras clave: Fotogrametría; Structure From Motion (SFM); Pares estereoscópicos; Modelado 3D; Ortoimágen; Arquitectura; Preservación y reutilización de la información. AbStRActThis paper analyzes the possibility of re-use of photogrammetric stereopairs -originally taken so as to make line drawings (stereoplotting)-and generate 3D models with photographic textures and orthophotographs by means of the techniques called "structure from motion" (SFM). The text includes many case studies so it is possible to see the factors defining the quality of the results. Finally, some conclusions are drawn concerning the usefulness of these algorithms for the Building Archaeology.
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