Numerical solution of diffusion models in biomedical imaging on multicore processors

  • Authors:
  • Luisa D'Amore;Daniela Casaburi;Livia Marcellino;Almerico Murli

  • Affiliations:
  • University of Naples Federico II, Complesso Universitario M.S. Angelo, Naples, Italy;SPACI, Naples, Italy;University of Naples Parthenope, Centro Direzionale, Naples, Italy;University of Naples Federico II, Complesso Universitario M.S. Angelo, Naples, Italy and SPACI, Naples, Italy

  • Venue:
  • Journal of Biomedical Imaging - Special issue on Parallel Computation in Medical Imaging Applications
  • Year:
  • 2011

Quantified Score

Hi-index 0.00

Visualization

Abstract

In this paper, we consider nonlinear partial differential equations (PDEs) of diffusion/advection type underlying most problems in image analysis. As case study, we address the segmentation of medical structures. We perform a comparative study of numerical algorithms arising from using the semi-implicit and the fully implicit discretization schemes. Comparison criteria take into account both the accuracy and the efficiency of the algorithms. As measure of accuracy, we consider the Hausdorff distance and the residuals of numerical solvers, while asmeasure of efficiency we consider convergence history, execution time, speedup, and parallel efficiency. This analysis is carried out in a multicore-based parallel computing environment.