1. An improved security surveillance process for comparing a plurality of 2D pictures of individuals comprising a first group with 2D pictures of individuals comprising a second group, said process comprising the steps of: generating 3D image data for facial pictures of each individual in said first group; generating a plurality of angularly offset 2D images from said 3D image data for each individual in said first group; generating a plurality of 2D picture images for individuals in a second group within a surveillance field; and comparing ones of said plurality of 2D images for an individual of said first group with a 2D image for an individual in said second group.