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2015 | OriginalPaper | Buchkapitel

Stacked Auto-encoders for Classification of 3D Spine Models in Adolescent Idiopathic Scoliosis

verfasst von : William E. Thong, Hubert Labelle, Jesse Shen, Stefan Parent, Samuel Kadoury

Erschienen in: Recent Advances in Computational Methods and Clinical Applications for Spine Imaging

Verlag: Springer International Publishing

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Abstract

Current classification systems for adolescent idiopathic scoliosis lack information on how the spine is deformed in three dimensions (3D), which can mislead further treatment recommendations. We propose an approach to address this issue by a deep learning method for the classification of 3D spine reconstructions of patients. A low-dimensional manifold representation of the spine models was learnt by stacked auto-encoders. A K-Means++ algorithm using a probabilistic seeding method clustered the low-dimensional codes to discover sub-groups in the studied population. We evaluated the method with a case series analysis of 155 patients with Lenke Type-1 thoracic spinal deformations recruited at our institution. The clustering algorithm proposed 5 sub-groups from the thoracic population, yielding statistically significant differences in clinical geometric indices between all clusters. These results demonstrate the presence of 3D variability within a pre-defined 2D group of spinal deformities.

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Metadaten
Titel
Stacked Auto-encoders for Classification of 3D Spine Models in Adolescent Idiopathic Scoliosis
verfasst von
William E. Thong
Hubert Labelle
Jesse Shen
Stefan Parent
Samuel Kadoury
Copyright-Jahr
2015
DOI
https://doi.org/10.1007/978-3-319-14148-0_2

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