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Article Dans Une Revue Photogrammetric engineering and remote sensing Année : 2019

Flexible Photogrammetric Computations Using Modular Bundle Adjustment: The Chain Rule and the Collinearity Equations

Niclas Börlin
  • Fonction : Auteur
Fabio Menna
Erica Nocerino

Résumé

The main purpose of this paper is to show that photogrammetric bundle adjustment computations can be sequentially organized into modules. Furthermore, the chain rule can be used to simplify the computation of the analytical Jacobians needed by the adjustment. Novel projection models can be flexibly evaluated by inserting, modifying, or swapping the order of selected modules. As a proof of concept, two variants of the pin-hole projection model with Brown lens distortion were implemented in the open-source Damped Bundle Adjustment Toolbox (DBAT) and applied to simulated and calibration data for a non-conventional lens system. The results show a significant difference for the simulated, error-free, data but not for the real calibration data. The current flexible implementation incurs a performance loss. However, in cases where flexibility is more important, the modular formulation should be a useful tool to investigate novel sensors, data processing techniques, and refractive models.

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Dates et versions

hal-02340651 , version 1 (30-10-2019)

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Niclas Börlin, Arnadi Murtiyoso, Pierre Grussenmeyer, Fabio Menna, Erica Nocerino. Flexible Photogrammetric Computations Using Modular Bundle Adjustment: The Chain Rule and the Collinearity Equations. Photogrammetric engineering and remote sensing, 2019, 85 (5), pp.361-368. ⟨10.14358/PERS.85.5.361⟩. ⟨hal-02340651⟩
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