TY - GEN AU - Leal Narváez, Nallig Eduardo PY - 2020 UR - http://hdl.handle.net/10584/9014 AB - This thesis addresses the use of sparse representations, specifically Dictionary Learning and Sparse Coding, for pre-processing brain MRI, so that the processed image retains the fine details of the original image, to improve the segmentation of brain... LA - eng PB - Universidad del Norte KW - Resonancia magnética -- Programa para computador. KW - Medicina -- Aparatos e instrumentos. TI - Sparse Representation-Based Framework for Preprocessing Brain MRI ER -