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Graph of hippocampal subfields grading for Alzheimer's disease prediction

Abstract : Numerous methods have been proposed to capture early hippocampus alterations caused by Alzheimer's disease. Among them, patch-based grading approach showed its capability to capture subtle structural alterations. This framework applied on hippocampus obtains state-of-the-art results for AD detection but is limited for its prediction compared to the same approaches based on whole-brain analysis. We assume that this limitation could come from the fact that hippocam-pus is a complex structure divided into different subfields. Indeed, it has been shown that AD does not equally impact hippocampal subfields. In this work, we propose a graph-based representation of the hippocampal subfields alterations based on patch-based grading feature. The strength of this approach comes from better modeling of the interrelated alterations through the different hippocampal subfields. Thus, we show that our novel method obtains similar results than state-of-the-art approaches based on whole-brain analysis with improving by 4 percent points of accuracy patch-based grading methods based on hippocampus.
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Submitted on : Tuesday, August 21, 2018 - 6:57:33 PM
Last modification on : Monday, May 10, 2021 - 5:32:03 PM
Long-term archiving on: : Thursday, November 22, 2018 - 9:20:16 PM


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  • HAL Id : hal-01859257, version 1



Kilian Hett, Vinh-Thong Ta, José Manjón, Pierrick Coupé. Graph of hippocampal subfields grading for Alzheimer's disease prediction. Machine Learning in Medical Imaging (MICCAI), Sep 2018, Granada, Spain. ⟨hal-01859257⟩



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