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Mixture of Probabilistic Principal Component Analyzers for Shapes from Point Sets

dataset
posted on 20.06.2017 by Ali Gooya, Alejandro Frangi, Jose Pozo Soler
This Matlab class computes a Mixture of Probabilistic Principal Component Analysers from spatial point clouds with no point-to-point correspondences.

If the point clouds represent shapes, the model generates clusters of shape
atlases, computing mean shape and modes of variations in each cluster of shapes. The naming convention of the variables and the details of the model has been described in the following paper:

"Mixture of Probabilistic Principal Component Analyzers for Shapes from Point Sets" DOI 10.1109/TPAMI.2017.2700276, IEEE Transactions on Pattern Analysis and Machine Intelligence (in press)

A test data set, including point sets from 50 vertebrae models has been included for a quick start under the folder 'SamplePointSets'.

Please refer to the included 'README.md' file the for further details on how to run the model. There is no dependencies other than Matlab.

Funding

Marie-Curie IIF, (Contract Agreement 625745), granted to A. Gooya

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