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Bundle adjustment in the daily work of recording cultural heritage

AutorAlmagro, Antonio
Palabras claveBundle Adjustment
Monuments Recording
Reduced Control
Fecha de publicación1997
CitaciónInternational Archives of Photogrammetry and Remote Sensing, v. XXXI, 5C1B, CIPA International Symposium, 1997, Goteborg, pp. 186-190.
Resumen[EN] The paper presents different survey works in which the technique of bundle adjustment has been used for recording monuments as well as for archaeological sites and excavations. Bundle adjustment is used at the Escuela de Estudios Arabes (CSIC) for different objectives; in some cases to achieve a homogeneous quality in the survey; in other cases, to reduce the quantity of control points to be measured with topographic methods, especially in big monuments where a lot of stereo-pairs are needed for the survey. The system is also often used for surveying with a reduced and very simple control, recorded with simple instruments (tape, plumb line and water pipe level). This system is adopted in cases in which there is not a previous knowledge of what is going to be recorded, during trips to obtain general information for research or during archaeological campaigns which are far from the institute. In these cases, only a light semi-metric camera, a tape measure and a plastic pipe are included as survey equipment. Finally, bundle adjustment is used for calibration of semi-metric cameras. Two different programs, ORIENT from the Institute of Photogrammetry and Remote Sensing of the Technical University of Wien and MAAS-CR from LEICA are used.
Aparece en las colecciones: (EEA) Comunicaciones congresos
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