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Detecting Long Distance Conditional Correlations Between Anatomical Regions Using Gaussian Graphical Models
Abstract : The conditional correlation patterns of an anatomical shape may provide some important information on the structure of this shape. We propose to investigate these patterns by Gaussian Graphical Modelling. We design a model which takes into account both local and long-distance dependencies. We provide an algorithm which estimates sparse long-distance conditional correlations, highlighting the most significant ones. The selection procedure is based on a criterion which quantifies the quality of the conditional correlation graph in terms of prediction. The preliminary results on AD versus control population show noticeable differences.
Cited literature [25 references]
https://hal.inria.fr/inria-00623930
Contributor : Xavier Pennec Connect in order to contact the contributor
Submitted on : Thursday, September 15, 2011 - 2:05:31 PM
Last modification on : Tuesday, March 16, 2021 - 4:58:04 PM
Long-term archiving on: : Friday, December 16, 2011 - 2:25:06 AM
Contributor : Xavier Pennec Connect in order to contact the contributor
Submitted on : Thursday, September 15, 2011 - 2:05:31 PM
Last modification on : Tuesday, March 16, 2021 - 4:58:04 PM
Long-term archiving on: : Friday, December 16, 2011 - 2:25:06 AM
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MFCA11_4_2.pdf
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