Heterogeneous face recognition

Heterogeneous face recognition from local structures of normalized appearance

FREE-DOWNLOAD S Liao, D Yi, Z Lei, R Qin… – Advances in Biometrics, 2009
Abstract. Heterogeneous face images come from different lighting con- ditions or different imaging
devices, such as visible light (VIS) and near infrared (NIR) based. Because heterogeneous face
images can have dif- ferent skin spectra-optical properties, direct appearance based