Early Prediction of Alzheimer's Disease with Non-local Patch-Based Longitudinal Descriptors. - Gerard Sanroma; Víctor Andrea; Oualid M. Benkarim; José V. Manjón; Pierrick Coupé; Oscar Camara 001; Gemma Piella; Miguel Ángel González Ballester (Patch-MI@MICCAI, 2017)