1. System for the automatic analysis of images (I), such as images of DNA microarrays after hybridisation, said images (I) comprising a matrix of points or spots, the system being adapted to be associated with a sensor ( 10 ) for acquiring said images (I) and comprising a circuit ( 20 ) for processing the signals corresponding to said images (I) generated by said sensor ( 10 ), characterised in that said processing circuit ( 20 ) is configured according to a cellular neutral network (CNN) architecture for the parallel analogue processing of said image signals.