title: Measurement of sub-shot-noise spatial correlations without background subtraction.
abstract: In this Letter we present the measurement of sub-shot-noise spatial correlations without any subtraction of background, a result paving the way to realize sub-shot-noise imaging of weak objects.
authors.affiliation: INRIM, strada delle Cacce 91, 10135 Torino, Italy.
authors.forename: Giorgio
authors.initials: G
authors.lastname: Brida
authors.forename: Lucia
authors.initials: L
authors.lastname: Caspani
authors.forename: Alessandra
authors.initials: A
authors.lastname: Gatti
authors.forename: Marco
authors.initials: M
authors.lastname: Genovese
authors.forename: Alice
authors.initials: A
authors.lastname: Meda
authors.forename: Ivano Ruo
authors.initials: IR
authors.lastname: Berchera