Accuracy Evaluation of Different Centerline Approximations of Blood Vessels

Alexandra La Cruz
Accuracy Evaluation of Different Centerline Approximations of Blood Vessels
TR-186-2-03-12, November 2003 [paper]

Information

Abstract

Accurate determination of the central vessel axis is a prerequisite for automated arteries diseases visualization and quantification. In this paper we present an evaluation of different methods used to approximate the centerline of the vessel in a phantom simulating the peripheral arteries. Six algorithms were used to determine the centerline of a synthetic peripheral arterial vessel. They are based on: ray casting technique using thresholds and maximum gradient-like stop criterion, pixel motion estimation between successive images called block matching, center of gravity and shape based segmentation. The Randomized Hough Transform and ellipse fitting using Lagrange Multiplier have been used as shape based segmentation techniques, fitting an elliptical shape to a set of points. The synthetic data simulate the peripheral arterial tree (aorta-to-pedal). The vessel diameter changes along the z-axis from about 0.7 to about 23 voxels. The data dimension is 256x256x768 with voxel size 0.5x0.5x0.5mm. In this data set the centerline is known and an estimation of the error is calculated in order to determine how precise a given method is and to classify it accordingly.

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BibTeX

@techreport{La Cruz-2003-AEC,
  title =      "Accuracy Evaluation of Different Centerline Approximations
               of Blood Vessels",
  author =     "Alexandra La Cruz",
  year =       "2003",
  abstract =   "Accurate determination of the central vessel axis is a
               prerequisite for automated arteries diseases visualization
               and quantification. In this paper we present an evaluation
               of different methods used to approximate the centerline of
               the vessel in a phantom simulating the peripheral arteries.
               Six algorithms were used to determine the centerline of a
               synthetic peripheral arterial vessel. They are based on: ray
               casting technique using thresholds and maximum gradient-like
               stop criterion, pixel motion estimation between successive
               images called block matching, center of gravity and shape
               based segmentation. The Randomized Hough Transform and
               ellipse fitting using Lagrange Multiplier have been used as
               shape based segmentation techniques, fitting an elliptical
               shape to a set of points. The synthetic data simulate the
               peripheral arterial tree (aorta-to-pedal). The vessel
               diameter changes along the z-axis from about 0.7 to about 23
               voxels. The data dimension is 256x256x768 with voxel size
               0.5x0.5x0.5mm. In this data set the centerline is known and
               an estimation of the error is calculated in order to
               determine how precise a given method is and to classify it
               accordingly.",
  month =      nov,
  number =     "TR-186-2-03-12",
  address =    "Favoritenstrasse 9-11/E193-02, A-1040 Vienna, Austria",
  institution = "Institute of Computer Graphics and Algorithms, Vienna
               University of Technology ",
  note =       "human contact: technical-report@cg.tuwien.ac.at",
  keywords =   "Medical Visualization, Vessel Segmentation, Centerline
               Detection",
  URL =        "https://www.cg.tuwien.ac.at/research/publications/2003/La
               Cruz-2003-AEC/",
}