Patent Number: 
Section: claims

1. An antiscatter grid including an electromagnetic coil array integrated with the antiscatter grid, wherein the electromagnetic coil array is registered with the antiscatter grid and wherein the electromagnetic coil array is configured to detect an electromagnetic field at the antiscatter grid. 2. The antiscatter grid of claim 1, wherein the electromagnetic coil array is in front of the antiscatter grid. 3. The antiscatter grid of claim 1, wherein the electromagnetic coil array is behind the antiscatter grid. 4. The antiscatter grid of claim 1, wherein the electromagnetic coil array is attached to the antiscatter grid. 5. The antiscatter grid of claim 1, wherein a portion of the electromagnetic coil array is transparent to x-rays. 6. The antiscatter grid of claim 1, wherein the electromagnetic coil array is a printed circuit board (PCB) electromagnetic coil array. 7. The antiscatter grid of claim 6, wherein the PCB electromagnetic coil array includes at least one electromagnetic coil. 8. The antiscatter grid of claim 6, wherein the PCB electromagnetic coil array includes a substrate and wherein the substrate is transparent to x-rays. 9. The antiscatter grid of claim 1, wherein the electromagnetic coil array is an electromagnetic receiver. 10. The antiscatter grid of claim 1, wherein the electromagnetic coil array is an electromagnetic transmitter. 11. The antiscatter grid of claim 1, wherein the electromagnetic coil array is an electromagnetic transceiver. 12. The antiscatter grid of claim 1, wherein the electromagnetic coil array includes at least one electromagnetic coil. 13. A method for detecting an electromagnetic field with an antiscatter grid, the method including:integrating an electromagnetic coil array with an antiscatter grid; anddetecting the electromagnetic field at the antiscatter grid with the integrated electromagnetic coil array, wherein the electromagnetic coil array is registered with the antiscatter grid. 14. The method of claim 13, wherein the electromagnetic coil array is in the field of view of the antiscatter grid. 15. The method of claim 13, wherein the electromagnetic coil array is a printed circuit board (PCB) electromagnetic coil array. 16. The method of claim 15, wherein the PCB electromagnetic coil array includes at least one electromagnetic coil. 17. The method of claim 13, wherein the electromagnetic coil array is an electromagnetic receiver. 18. The method of claim 13, wherein the electromagnetic coil array is an electromagnetic transceiver. 19. A method for using an electromagnetic coil array as an antiscatter grid, the method including:providing the electromagnetic coil array, wherein said electromagnetic coil array is printed circuit board (PCB) electromagnetic coil array with at least one track of said electromagnetic coil array etched into a PCB substrate material; andfiltering scattered x-rays with the electromagnetic coil array. 20. The method of claim 19, wherein the PCB electromagnetic coil array includes a substrate and at least one track, wherein the substrate is transparent to x-rays, and wherein the at least one track is opaque to x-rays. 21. A method for registering an electromagnetic coil array integrated with an antiscatter grid, the method including:positioning the antiscatter grid and the integrated electromagnetic coil array in an imaging system;acquiring an image of the antiscatter grid and the electromagnetic coil array; anddetermining that the electromagnetic coil array is registered with the antiscatter grid based at least in part on the image of the antiscatter grid and the electromagnetic coil array. 22. The method of claim 21, further including repositioning the antiscatter grid and the electromagnetic coil array in the imaging system. 23. The method of claim 21, wherein the determining step is based at least in part on the presence of a moire pattern in the acquired image. 24. The method of claim 21, wherein the determining step is based at least in part on the visibility of the electromagnetic coil array. 25. A printed circuit board (PCB) electromagnetic coil array integrated with an antiscatter grid, the PCB electromagnetic coil array configured to detect an electromagnetic field at the antiscatter grid. 26. A printed circuit board (PCB) electromagnetic coil array configured to function as an antiscatter grid wherein the PCB electromagnetic coil array includes a substrate and at least one track, wherein at least one track etched into the substrate PCB material.