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Automatic atlas-based building of point distribution model for segmentation of anatomical structures from brain MRI

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3 Author(s)
Bailleul, J. ; GREYC CNRS UMR, Caen, France ; RUAN, S. ; Bloyet, D.

We propose a method based on a priori knowledge provided by anatomical atlases to build - almost - automatically a point distribution model (PDM) of internal brain structures. A 3D training set of shapes is constructed by registering chosen atlas over an MRI database, which is then land-marked using a method recently developed by Davies et al. This PDM global optimization process is driven by a minimum description length (MDL) principle-based objective function. Preliminary results of built PDMs are encouraging. Future work might build active appearance models (AAM) from computed PDMs to set up a segmentation method.

Published in:

Signal Processing and Its Applications, 2003. Proceedings. Seventh International Symposium on  (Volume:2 )

Date of Conference:

1-4 July 2003

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