2026-04-13T14:22:01Zhttps://recercat.cat/oai/request

oai:recercat.cat:20.500.14342/60782026-03-20T01:12:44Zcom_2072_482405com_2072_183628col_2072_482415

Unsupervised Deep Learning Architectures for Anomaly Detection in Brain MRI Scans Malé, Jordi Xirau Guardans, Victor Fortea, Juan Heuzé, Yann Martínez-Abadías, Neus Sevillano, Xavier Unsupervised Deep learning Autoenders Brain MRI scans Anomaly detection Brain imaging techniques, particularly magnetic resonance imaging (MRI), play a crucial role in understanding the neurocognitive phenotype and associated challenges of many neurological disorders, providing detailed insights into the structural alterations in the brain. Despite advancements, the links between cognitive performance and brain anatomy remain unclear. The complexity of analyzing brain MRI scans requires expertise and time, prompting the exploration of artificial intelligence for automated assistance. In this context, unsupervised deep learning techniques, particularly Transformers and Autoencoders, offer a solution by learning the distribution of healthy brain anatomy and detecting alterations in unseen scans. In this work, we evaluate several unsupervised models to reconstruct healthy brain scans and detect synthetic anomalies. 2026-03-20T01:12:44Z 2026-03-20T01:12:44Z 2026-03-20T01:12:44Z 2024-09-25 info:eu-repo/semantics/article 9781643685434 1879-8314 https://hdl.handle.net/20.500.14342/6078 https://doi.org/10.3233/FAIA240415 eng Artificial Intelligence Research and Development - Proceedings of the 26th International Conference of the Catalan Association for Artificial Intelligence http://creativecommons.org/licenses/by-nc/4.0/ info:eu-repo/semantics/openAccess © L'autor/a Attribution-NonCommercial 4.0 International IOS Press