The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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Articles | Volume XLII-2/W6
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2/W6, 235–241, 2017
https://doi.org/10.5194/isprs-archives-XLII-2-W6-235-2017
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2/W6, 235–241, 2017
https://doi.org/10.5194/isprs-archives-XLII-2-W6-235-2017

  24 Aug 2017

24 Aug 2017

BENDING THE DOMING EFFECT IN STRUCTURE FROM MOTION RECONSTRUCTIONS THROUGH BUNDLE ADJUSTMENT

L. Magri1 and R. Toldo2 L. Magri and R. Toldo
  • 1Dip. Informatica – Università di Verona – Strada Le Grazie 15, Verona, Italy
  • 23Dflow SRL, c/o Computer Science Park – Strada Le Grazie 15, Verona, Italy

Keywords: Bundle Adjustment, Doming effect, Ground detection

Abstract. Structure from Motion techniques provides low-cost and flexible methods that can be adopted in arial surveying to collect topographic data with accurate results. Nevertheless, the so-called “doming effect”, due to unfortunate acquisition conditions or unreliable modeling of radial distortion, has been recognized as a critical issue that disrupts the quality of the attained 3D reconstruction. In this paper we propose a novel method, that works effectively in the presence of a nearly flat soil, to tackle a posteriori the doming effect: an automatic ground detection method is used to capture the doming deformation flawing the reconstruction, which in turn is wrapped to the correct geometry by iteratively enforcing a planarity constraint through a Bundle Adjustment framework. Experiments on real word datasets demonstrate promising results.