Phase contrast MRI segmentation using velocity and intensity

Authors:
Markus Persson;Jan Erik Solem;Karin Markenroth;Jonas Svensson;Anders Heyden
Affiliations:
Applied Mathematics Group, School of Technology and Society, Malmö University, Sweden;Applied Mathematics Group, School of Technology and Society, Malmö University, Sweden;Philips Medical Systems/MR Department, Lund University Hospital, Sweden;Department of Radiation Physics, Malmö University Hospital, Sweden;Applied Mathematics Group, School of Technology and Society, Malmö University, Sweden
Venue:
Scale-Space'05 Proceedings of the 5th international conference on Scale Space and PDE Methods in Computer Vision
Year:
2005

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Abstract

This paper presents a method for three-dimensional (3D) segmentation of blood vessels, i.e. determining the surface of the vessel wall, using a combination of velocity data and magnitude images obtained using phase contrast MRI. In addition to standard MRI images, phase contrast MRI gives velocity information for blood and tissue in the human body. The proposed method uses a variational formulation of the segmentation problem which combines different cues; velocity and magnitude. The segmentation is performed using the level set method. Experiments on phantom data and clinical data support the proposed method.