Fecha de publicación: 06/07/2023 Fuente: Wipo "precision agriculture" The present document discloses a method and device for a non-invasive tomographic characterisation of a sample comprising a plurality of differentiated tissues. In particular, a computer-implemented method for non-invasive tomographic metabolite characterisation of a vegetable or animal sample to be characterised, the sample comprising a plurality of differentiated tissues from a set of previously-characterised differentiated tissues, by using a multidimensional latent structure model of differentiated tissues.