Selecting imaging perspectives to optimize tracking volume detectability and model quality
View Patent ↗An image of a region of interest (ROI) is identified from a first perspective, the image having an uncertainty value associated with the ROI. A model is generated comprising one or more parameters associated with the ROI based on the image. A plurality of tracking quality metrics for a plurality of perspectives that a subsequent image may be captured from by an imaging system of the ROI are determined using the model, the tracking quality metrics indicating a reduction of the uncertainty value associated with the ROI by the subsequent image. A second perspective of the plurality of perspectives for the subsequent image is selected based on a corresponding tracking quality metric of the plurality of tracking quality metrics for the second perspective indicating a reduction of the uncertainty value.
1. An apparatus, comprising:
an imaging system; and
a processing device, operatively coupled to the imaging system, to:
identify an image of a region of interest (ROI) from a first perspective, the image having an uncertainty value associated with the ROI;
generate a model comprising one or more parameters associated with the ROI based on the image;
determine, using the model, a plurality of tracking quality metrics for a plurality of perspectives that a subsequent image may be captured from by the imaging system of the ROI, the plurality of tracking quality metrics indicating a reduction of the uncertainty value associated with the ROI by the subsequent image; and
select a second perspective of the plurality of perspectives for the subsequent image based on a corresponding tracking quality metric of the plurality of tracking quality metrics for the second perspective indicating a reduction of the uncertainty value.
2. The apparatus of claim 1 , wherein the apparatus comprises a radiation delivery system.
3. The apparatus of claim 2 , wherein the second perspective is selected automatically by the processing device during a treatment session by the radiation delivery system.
4. The apparatus of claim 1 , wherein the imaging system comprises an X-ray imaging system.
5. The apparatus of claim 1 , wherein the imaging system comprises a magnetic resonance (MR) imaging system.
6. The apparatus of claim 1 , wherein the processing device is further to:
cause an imaging source to capture the subsequent image of the ROI from the second perspective;
receive the subsequent image from the imaging source; and
update the model based on the subsequent image.
7. The apparatus of claim 1 , wherein the imaging system is operatively coupled to a ring gantry and wherein the first perspective corresponds to a first angle of the imaging system relative to the ROI and the second perspective corresponds to a second angle of the imaging system relative to the ROI.
8. The apparatus of claim 1 , wherein the model comprises a respiratory motion trajectory associated with the ROI.
9. The apparatus of claim 1 , wherein the one or more parameters comprise one or more radiation sensitive structures within the ROI.
10. The apparatus of claim 1 , wherein the one or more parameters comprise a visibility of the ROI.
11. A method comprising:
identifying an image of a region of interest (ROI) from a first perspective, the image having an uncertainty value associated with the ROI;
generating a model comprising one or more parameters associated with the ROI based on the image;
determining, using the model, a plurality of tracking quality metrics for a plurality of perspectives that a subsequent image may be captured from by an imaging system of the ROI, the plurality of tracking quality metrics indicating a reduction of the uncertainty value associated with the ROI by the subsequent image; and
selecting, by a processing device, a second perspective of the plurality of perspectives for the subsequent image based on a corresponding tracking quality metric of the plurality of tracking quality metrics for the second perspective indicating a reduction of the uncertainty value.
12. The method of claim 11 , wherein the subsequent image is to be captured by the imaging system of a radiation delivery system.
13. The method of claim 12 , wherein the second perspective is selected automatically by the processing device during a treatment session by the radiation delivery system.
14. The method of claim 11 , wherein the imaging system comprises an X-ray imaging system.
15. The method of claim 11 , wherein the imaging system comprises a magnetic resonance (MR) imaging system.
16. The method of claim 11 , further comprising:
causing the imaging system to capture the subsequent image of the ROI from the second perspective;
receiving the subsequent image from the imaging system; and
updating the model based on the subsequent image.
17. The method of claim 11 , wherein the imaging system is operatively coupled to a ring gantry and wherein the first perspective corresponds to a first angle of the imaging system relative to the ROI and the second perspective corresponds to a second angle of the imaging system relative to the ROI.
18. The method of claim 11 , wherein the model comprises a respiratory motion trajectory associated with the ROI.
19. The method of claim 11 , wherein the one or more parameters comprise one or more radiation sensitive structures within the ROI.
20. The method of claim 11 , wherein the one or more parameters comprise a visibility of the ROI.
21. A non-transitory computer-readable storage medium including instructions that, when executed by a processing device, cause the processing device to:
identify an image of a region of interest (ROI) from a first perspective, the image having an uncertainty value associated with the ROI;
generate a model comprising one or more parameters associated with the ROI based on the image;
determine, using the model, a plurality of tracking quality metrics for a plurality of perspectives that a subsequent image may be captured from by an imaging system of the ROI, the plurality of tracking quality metrics indicating a reduction of the uncertainty value associated with the ROI by the subsequent image; and
select, by the processing device, a second perspective of the plurality of perspectives for the subsequent image based on a corresponding tracking quality metric of the plurality of tracking quality metrics for the second perspective indicating a reduction of the uncertainty value.
22. The non-transitory computer-readable storage medium of claim 21 , wherein the subsequent image is to be captured by the imaging system of a radiation delivery system.
23. The non-transitory computer-readable storage medium of claim 22 , wherein the second perspective is selected automatically by the processing device during a treatment session by the radiation delivery system.
24. The non-transitory computer-readable storage medium of claim 21 , wherein the imaging system comprises an X-ray imaging system.