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Detection of Vortical Structures in 4D Velocity Encoded Phase Contrast MRI Data Using Vector Template Matching

  • Johann Drexl
  • Haider Khan
  • Michael Markl
  • Anja Hennemuth
  • Sebastian Meier
  • Ramona Lorenz
  • Horst K. Hahn
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7945)

Abstract

We present the Adaptive Vector Pattern Matching (AVPM) method, a novel method for the detection of vortical structures specifically designed for velocity encoded 4D PCMRI datasets. AVPM is based on vector pattern matching combined with robust orientation estimation. This combination provides for a simple yet robust algorithm, which is a priori axial flow invariant. We demonstrate these properties by comparing the performance of AVPM with Heiberg’s Vector Pattern Matching algorithm.

Keywords

vortical structures phase contrast MRI vector template matching 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Johann Drexl
    • 1
  • Haider Khan
    • 1
  • Michael Markl
    • 2
  • Anja Hennemuth
    • 1
  • Sebastian Meier
    • 1
  • Ramona Lorenz
    • 3
  • Horst K. Hahn
    • 1
  1. 1.Fraunhofer MEVISBremenGermany
  2. 2.Departments of Radiology and Biomedical EngineeringNorthwestern UniversityChicagoUSA
  3. 3.Department of Radiology, Medical PhysicsUniversity Medical Center FreiburgGermany

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