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Direction-adaptive grey-level morphology. Application to 3D vascular brain imaging

Abstract : Segmentation and analysis of blood vessels is an important issue in medical imaging. In 3D cerebral angiographic data, the vascular signal is however hard to accurately detect and can, in particular, be disconnected. In this article, we present a procedure utilising both linear, Hessian-based and morphological methods for blood vessel edge enhancement and reconnection. More specifically, multi-scale second-order derivative analysis is performed to detect candidate vessels as well as their orientation. This information is then fed to a spatially-variant morphological filter for reconnection and reconstruction. The result is a fast and effective vessel-reconnecting method.
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Olena Tankyevych, Hugues Talbot, Petr Dokládal, Nicolas Passat. Direction-adaptive grey-level morphology. Application to 3D vascular brain imaging. International Conference on Image Processing (ICIP), 2009, Cairo, Egypt. pp.2261-2264, ⟨10.1109/ICIP.2009.5414356⟩. ⟨hal-00622439⟩



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