Optimizing contrastive learning for cortical folding pattern detection

1 code implementation • 31 Jan 2024 • Aymeric Gaudin, Louise Guillon, Clara Fischer, Arnaud Cachia, Denis Rivière, Jean-François Mangin, Joël Chavas

Here, we build a self-supervised deep-learning model to detect folding patterns in the cingulate region.

Contrastive Learning

Predictive support recovery with TV-Elastic Net penalty and logistic regression: an application to structural MRI

no code implementations • 21 Jul 2014 • Mathieu Dubois, Fouad Hadj-Selem, Tommy Lofstedt, Matthieu Perrot, Clara Fischer, Vincent Frouin, Edouard Duchesnay

This algorithm uses Nesterov's smoothing technique to approximate the TV penalty with a smooth function such that the loss and the penalties are minimized with an exact accelerated proximal gradient algorithm.