Tomosynthesis views from cone beam computed tomography data
An imaging method, accesses cone beam computed tomography (CBCT) data and displays, on a display monitor, at least one view of the CBCT data. The method provides an interface for a user to indicate a tomosynthesis reconstruction plane on the displayed view of the CBCT data; and displays a tomosynthesis image on the display monitor according to the indicated tomosynthesis reconstruction plane.
1. An imaging method, comprising:
accessing cone beam computed tomography (CBCT) data;
displaying, on a display monitor, at least one view of the CBCT data;
providing an interface for a user to indicate a tomosynthesis reconstruction plane on the displayed at least one view of the CBCT data;
using the CBCT data, generating a tomosynthesis image according to the tomosynthesis reconstruction plane indicated using the interface; and
displaying the generated tomosynthesis image on the display monitor.
2. The imaging method of claim 1 , further comprising simultaneously displaying the CBCT data and the tomosynthesis image on the display monitor.
3. The imaging method of claim 1 wherein displaying the at least one view of the CBCT data comprises displaying an axial view of the CBCT data.
4. The imaging method of claim 3 further comprising displaying a volume view of the CBCT data.
5. The imaging method of claim 1 further comprising an interface which allows re-positioning of a center of rotation for the tomosynthesis reconstruction plane.
6. The imaging method of claim 1 further comprising providing an interface which allows adjusting of slice thickness for the tomosynthesis reconstruction plane.
7. The imaging method of claim 1 further comprising providing an interface which allows adjusting of the angle of tomosynthesis display.
8. The imaging method of claim 1 further comprising displaying a projection image corresponding to the indicated tomosynthesis reconstruction plane.
9. A method, comprising:
using an interface displayed on a display, selecting a plane of tomosynthesis reconstruction of a subject from reconstructed cone beam computed tomography (CBCT) data;
using the CBCT data, generating a tomosynthesis image according to the selected plane of tomosynthesis reconstruction; and
displaying, storing, or transmitting the generated tomosynthesis image.
10. The method of claim 9 wherein selecting the plane is accomplished by selecting according to a 3D surface rendering.
11. The method of claim 9 wherein selecting the plane is accomplished by selecting from an orthogonal slice or from an oblique slice.
12. The method of claim 9 wherein selecting the plane is accomplished by selecting from 2D projections used to generate the cone beam computed tomography data.
13. The method of claim 9 further comprising:
using the interface, selecting a rotation axis of a tomosynthesis viewing plane.
14. The method of claim 9 further comprising:
using the interface, selecting a slice thickness, a desired direction of a reconstruction plane, or an angular range around the selected direction.
15. The method of claim 9 further comprising generating tomosynthesis planes at oblique angles from images acquired using a plurality of x-ray sources.
16. The method of claim 9 further comprising providing a viewing interface for instructing the displayed projection data to select the tomosynthesis reconstruction plane.
17. The method of claim 9 further comprising synchronizing a plurality of presentations to provide a complementary view of the same tomosynthesis reconstruction plane.
18. The method of claim 9 further comprising providing a viewing interface for selecting metal or high contrast objects for inspection.
19. The method of claim 9 further comprising identifying a high contrast object and configuring a viewing interface to inspect the high contrast object.
20. An imaging method, comprising:
acquiring CBCT volume data of a subject;
displaying, on a display, a cross-sectional rendering of the CBCT volume;
in response to a viewer instruction:
(i) positioning a center of rotation for a tomosynthesis plane on the displayed image; and
(ii) specifying a rotation angle of the tomosynthesis plane relative to the displayed image;
using the CBCT volume data, generating a tomosynthesis image according to the specified tomosynthesis plane; and
displaying, transmitting, or storing the generated tomosynthesis image.