Marc Rea1, Donald McRobbie1, Francesca Galassi2, Djordje Brujic2, Mihailo Ristic2, Ian Young2
1Radiological Sciences Unit, Imperial College Healthcare NHS Trust, London, United Kingdom; 2Mechanical Engineering, Imperial College London, London, United Kingdom
A real-time imaging scheme employing fiducial phase encoding has been demonstrated to provide a means of uniquely identifying markers even in close proximity. Using this method, the required number of projections for 3D tracking was reduced to three.