Certain embodiments of the present invention provide a flat-panel detector integrated with an electromagnetic coil array. The electromagnetic coil array is positioned inside of the flat-panel detector. The electromagnetic coil array is configured to detect an electromagnetic field at the flat-panel detector. In an embodiment, the flat-panel detector may also include a detector panel. The electromagnetic coil array may be positioned behind the detector panel. In an embodiment, the detector panel may be transparent to electromagnetic fields. In an embodiment, the flat-panel detector may also include a cold plate. The electromagnetic coil array may be positioned between the detector panel and the cold plate. In an embodiment, the electromagnetic coil array may include one or more electromagnetic coils. In an embodiment, the electromagnetic coil array may be a printed circuit board (PCB) electromagnetic coil array.