240MMMMMM MM MMMMMMMMMMMM MMMMMMMMFMcMM3D X 130 MMM X 330 • SCENE M.3SMpMMLbMM 2014TMMMMMMTargets are artificial common reference objects that have been placed inthe scan area.The types of targets that can be identified in SCENE are:• Checkerboards• Circular, Flat Targets• Spheres• Sphere RadiiGMMLMMMMc ObjMcMMIn SCENE, geometric objects are common reference objects, other thantargets, that can be identified in SCENE.The types of geometric objects that can be used for registration are:• Contrast mean point• Expanded plane• Line• Mean point• Pipe• Plane• Point• Scan point• Slab