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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.
Signal Processing and Its Applications, 2003. Proceedings. Seventh International Symposium on (Volume:2 )
Date of Conference: 1-4 July 2003