A system for obtaining 3D standardized face representations from non-frontal face views of a target, the system comprising: a lidar subsystem configured to generate a plurality of three-dimensional 3D measurements, each of the plurality of 3D measurements corresponding to a point on the target; a video subsystem configured to provide a plurality of two-dimensional 2D images of the target; and a processor configured to: receive, from the lidar subsystem, the plurality of 3D measurements of the target, receive, from the video subsystem, the plurality of 2D images of the target, generate at least one 3D image of the target based on the 3D measurements of the target and the 2D images of the target, wherein the at least one 3D image of the target corresponds to a non-frontal 3D face representation of the target, characterised in that the processor is further configured to: transform the non-frontal 3D face representation to a frontal 3D face representation, wherein the frontal 3D face representation includes one or more missing regions corresponding to regions in the non-frontal 3D face representation for which there is no 3D measurement, generate a mirror face representation of the frontal 3D face representation, and generate a 3D standardized face representation by selectively filling one or more missing regions in the frontal 3D face representation based on data from the mirror face representation. a lidar subsystem configured to generate a plurality of three-dimensional 3D measurements, each of the plurality of 3D measurements corresponding to a point on the target; a video subsystem configured to provide a plurality of two-dimensional 2D images of the target; and a processor configured to: receive, from the lidar subsystem, the plurality of 3D measurements of the target, receive, from the video subsystem, the plurality of 2D images of the target, generate at least one 3D image of the target based on the 3D measurements of the target and the 2D images of the target, wherein the at least one 3D image of the target corresponds to a non-frontal 3D face representation of the target, characterised in that the processor is further configured to: transform the non-frontal 3D face representation to a frontal 3D face representation, wherein the frontal 3D face representation includes one or more missing regions corresponding to regions in the non-frontal 3D face representation for which there is no 3D measurement, generate a mirror face representation of the frontal 3D face representation, and generate a 3D standardized face representation by selectively filling one or more missing regions in the frontal 3D face representation based on data from the mirror face representation. receive, from the lidar subsystem, the plurality of 3D measurements of the target, receive, from the video subsystem, the plurality of 2D images of the target, generate at least one 3D image of the target based on the 3D measurements of the target and the 2D images of the target, wherein the at least one 3D image of the target corresponds to a non-frontal 3D face representation of the target, characterised in that the processor is further configured to: transform the non-frontal 3D face representation to a frontal 3D face representation, wherein the frontal 3D face representation includes one or more missing regions corresponding to regions in the non-frontal 3D face representation for which there is no 3D measurement, generate a mirror face representation of the frontal 3D face representation, and generate a 3D standardized face representation by selectively filling one or more missing regions in the frontal 3D face representation based on data from the mirror face representation. transform the non-frontal 3D face representation to a frontal 3D face representation, wherein the frontal 3D face representation includes one or more missing regions corresponding to regions in the non-frontal 3D face representation for which there is no 3D measurement, generate a mirror face representation of the frontal 3D face representation, and generate a 3D standardized face representation by selectively filling one or more missing regions in the frontal 3D face representation based on data from the mirror face representation.