Event overview
Dr. Pierre-Louis Bazin from John Hopkins University will present his recent work on Topology-preserving Fast Marching and Level Set Methods for Brain Image Segmentation.
Dr. Pierre-Louis Bazin will present his recent work on Topology-preserving Fast Marching and Level Set Methods for Brain Image Segmentation. Atlas-based segmentation techniques are often employed to encode anatomical information for the delineation of multiple structures in magnetic resonance images of the brain. One of the primary challenges of these approaches is to efficiently model qualitative and quantitative anatomical knowledge without introducing a strong bias toward certain anatomical preferences when segmenting new images. Topology can be used to describe the continuity of structures, as well as the relationships between structures, and is often a critical component in cortical surface reconstruction and deformation-based morphometry. He will present several topology-preserving techniques for topology correction of continuous functions, fuzzy segmentation of brain structures in health or with lesions, and thalamic parcellation. The methods combine topology control with fast marching, level set and tissue classification techniques to handle robustly multiple image contrasts, high levels of noise and gain field inhomogeneities, and variable anatomies.
doc.gold.ac.uk/mutators/wp/?p=90
Dates & times
| Date | Time | Add to calendar |
|---|---|---|
| 25 Sep 2009 | 2:00pm - 3:00pm |
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