Search Results for author: Dimosthenis Tsagkrasoulis

Found 3 papers, 1 papers with code

Random Forest regression for manifold-valued responses

no code implementations29 Jan 2017 Dimosthenis Tsagkrasoulis, Giovanni Montana

An increasing array of biomedical and computer vision applications requires the predictive modeling of complex data, for example images and shapes.

regression

Predicting brain age with deep learning from raw imaging data results in a reliable and heritable biomarker

1 code implementation8 Dec 2016 James H. Cole, Rudra PK Poudel, Dimosthenis Tsagkrasoulis, Matthan WA Caan, Claire Steves, Tim D Spector, Giovanni Montana

Here we sought to further establish the credentials of "brain-predicted age" as a biomarker of individual differences in the brain ageing process, using a predictive modelling approach based on deep learning, and specifically convolutional neural networks (CNN), and applied to both pre-processed and raw T1-weighted MRI data.

GPR valid

Random Forests on Distance Matrices for Imaging Genetics Studies

no code implementations24 Sep 2013 Aaron Sim, Dimosthenis Tsagkrasoulis, Giovanni Montana

We propose a non-parametric regression methodology, Random Forests on Distance Matrices (RFDM), for detecting genetic variants associated to quantitative phenotypes representing the human brain's structure or function, and obtained using neuroimaging techniques.

regression

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