Gradient-based enhancement of tubular structures in medical images

@article{Moreno2015GradientbasedEO,
  title={Gradient-based enhancement of tubular structures in medical images},
  author={Rodrigo Moreno and {\"O}rjan Smedby},
  journal={Medical image analysis},
  year={2015},
  volume={26 1},
  pages={19-29}
}
Vesselness filters aim at enhancing tubular structures in medical images. The most popular vesselness filters are based on eigenanalyses of the Hessian matrix computed at different scales. However, Hessian-based methods have well-known limitations, most of them related to the use of second order derivatives. In this paper, we propose an alternative strategy in which ring-like patterns are sought in the local orientation distribution of the gradient. The method takes advantage of symmetry… CONTINUE READING
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