1. A system for representing face images to account for pose variations during the comparison of the face images, said system comprising: a memory area for storing a face image; and a processor programmed to: access the face image stored in the memory area; sample the accessed face image to generate vectors corresponding to features of the accessed face image; expand each of the generated vectors by a spatial location corresponding thereto in the accessed face image; quantize each of the expanded vectors based on one or more randomized decision trees to enable implicit matching between one or more of the features; calculate a histogram of the quantized vectors to represent the accessed image; and associating the calculated histogram with the face image in the memory area.