INRA, Unit of Biometrics, 78352 Jouy-en-Josas, France. juhui.wang@jouy.inra.fr|INRA, Unit of Biometrics, 78352 Jouy-en-Josas, France. juhui.wang@jouy.inra.fr|INRA, Unit of Biometrics, 78352 Jouy-en-Josas, France. juhui.wang@jouy.inra.fr|INRA, Unit of Biometrics, 78352 Jouy-en-Josas, France. juhui.wang@jouy.inra.fr|INRA, Unit of Biometrics, 78352 Jouy-en-Josas, France. juhui.wang@jouy.inra.fr