3D particle tracking velocimetry using dynamic discrete tomography

Andreas Alpers, Peter Gritzmann, Dmitry Moseev, Mirko Salewski

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Particle tracking velocimetry in 3D is becoming an increasingly important imaging tool in the study of fluid dynamics and combustion as well as plasmas. We introduce a dynamic discrete tomography algorithm for reconstructing particle trajectories from projections. The algorithm is efficient for data from two projection directions and exact in the sense that it finds a solution consistent with the experimental data. Non-uniqueness of solutions can be detected and solutions can be tracked individually.
Original languageEnglish
JournalComputer Physics Communications
Pages (from-to)130-136
Publication statusPublished - 2015


  • 3D PTV
  • Discrete tomography
  • Particle tracking velocimetry
  • PTV

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