IP Library Granted Patent US 9,320,486
Granted Patent B2
US 9,320,486 · App. 14/064,470 · Granted Apr 26, 2016

System for viewing vasculature and perfuse tissue

Inventor: John Baumgart (Hoffman Estates, IL)
Assignee: Siemens Medical Solutions USA, Inc.
A61B6/504A61B6/481A61B6/486A61B6/5229G06T5/50A61B6/4441G06T2207/10116G06T2207/20221G06T2207/20224
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Quick Facts
Patent No.
US 9,320,486
App. No.
14/064,470
Granted
Apr 26, 2016
Kind
B2
Abstract

A system and method includes reception of a mask x-ray image of a patient volume, reception of a plurality of sequential x-ray images of the patient volume including a contrast medium, subtraction of the mask x-ray image from each of the plurality of sequential x-ray images to generate a plurality of sequential x-ray difference images, filtering of each of the plurality of sequential x-ray difference images based on one or more filter parameters to generate a plurality of sequential filtered x-ray difference images, combination of each of the plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on a weight to generate a plurality of combined sequential x-ray images, and display of the plurality of combined sequential x-ray images sequentially.

Claims (53)

1. A system comprising:

an interface to:

receive a mask x-ray image of a patient volume; and

receive a plurality of sequential x-ray images of the patient volume including a contrast medium;

an image data processor to:

subtract the mask x-ray image from each of the plurality of sequential x-ray images to generate a plurality of sequential x-ray difference images;

filter each of the plurality of sequential x-ray difference images based on one or more filter parameters to generate a plurality of sequential filtered x-ray difference images;

combine each of the plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on a weight to generate a plurality of combined sequential x-ray images;

filter each of the plurality of sequential x-ray difference images based on a second one or more filter parameters to generate a second plurality of sequential filtered x-ray difference images change filter parameters; and

combine each of the second plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on the weight to generate a second plurality of combined sequential x-ray images; and

a display to display the plurality of combined sequential x-ray images sequentially, and the second plurality of combined sequential x-ray images sequentially.

2. A system according to claim 1 , wherein the image data processor filters each of the plurality of sequential x-ray difference images based on the second one or more filter parameters, and combines each of the second plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on the weight during display of the plurality of combined sequential x-ray images.

3. A system according to claim 2 , wherein the one or more filter parameters define a band-reject filter, and the second one or more filter parameters define a band-pass filter.

4. A system according to claim 2 , wherein the one or more filter parameters define a first band-reject filter, and the second one or more filter parameters define a second band-reject filter different from the first band-reject filter.

5. A system according to claim 2 , wherein the one or more filter parameters define a first band-pass filter, and the second one or more filter parameters define a second band-pass filter different from the first band-pass filter.

6. A system according to claim 1 , wherein the one or more filter parameters define a band-reject filter, and the second one or more filter parameters define a band-pass filter.

7. A system according to claim 1 , the image data processor further to:

combine each of the second plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on a second weight to generate a second plurality of combined sequential x-ray images; and

the display to display the second plurality of combined sequential x-ray images sequentially.

8. A system according to claim 7 , wherein the image data processor combines each of the second plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on the second weight during display of the plurality of combined sequential x-ray images.

9. A system according to claim 1 , the image data processor further to:

filter each of the plurality of sequential x-ray difference images based on the second one or more filter parameters to generate a second plurality of sequential filtered x-ray difference images; and

combine each of the second plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on a second weight to generate an additional plurality of combined sequential x-ray images; and

the display to display the additional plurality of combined sequential x-ray images sequentially.

10. A system according to claim 9 , wherein the image data processor filters each of the plurality of sequential x-ray difference images based on the second one or more filter parameters, and combines each of the second plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on the weight during display of the plurality of combined sequential x-ray images.

11. A system according to claim 9 , wherein the one or more filter parameters define a band-reject filter, and the second one or more filter parameters define a band-pass filter.

12. A system according to claim 11 , wherein the image data processor filters each of the plurality of sequential x-ray difference images based on the second one or more filter parameters, and combines each of the second plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on the weight during display of the plurality of combined sequential x-ray images.

13. A method comprising:

receiving a mask x-ray image of a patient volume;

receiving a plurality of sequential x-ray images of the patient volume including a contrast medium;

subtracting the mask x-ray image from each of the plurality of sequential x-ray images to generate a plurality of sequential x-ray difference images;

filtering each of the plurality of sequential x-ray difference images based on one or more filter parameters to generate a plurality of sequential filtered x-ray difference images;

combining each of the plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on a weight to generate a plurality of combined sequential x-ray images;

displaying the plurality of combined sequential x-ray images sequentially;

filtering each of the plurality of sequential x-ray difference images based on a second one or more filter parameters to generate a second plurality of sequential filtered x-ray difference images change filter parameters;

combining each of the second plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on the weight to generate a second plurality of combined sequential x-ray images; and

displaying the second plurality of combined sequential x-ray images sequentially.

14. A method according to claim 13 , wherein each of the plurality of sequential x-ray difference images is filtered based on the second one or more filter parameters, and each of the second plurality of sequential filtered x-ray difference images is combined with a corresponding one of the plurality of sequential x-ray difference images based on the weight during display of the plurality of combined sequential x-ray images.

15. A method according to claim 14 , wherein the one or more filter parameters define a band-reject filter, and the second one or more filter parameters define a band-pass filter.

16. A method according to claim 14 , wherein the one or more filter parameters define a first band-reject filter, and the second one or more filter parameters define a second band-reject filter different from the first band-reject filter.

17. A method according to claim 14 , wherein the one or more filter parameters define a first band-pass filter, and the second one or more filter parameters define a second band-pass filter different from the first band-pass filter.

18. A method according to claim 13 , wherein the one or more filter parameters define a band-reject filter, and the second one or more filter parameters define a band-pass filter.

19. A method according to claim 13 , further comprising:

combining each of the second plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on a second weight to generate a second plurality of combined sequential x-ray images; and

displaying the second plurality of combined sequential x-ray images sequentially.

20. A method according to claim 19 , wherein the second plurality of sequential filtered x-ray difference images are combined with a corresponding one of the plurality of sequential x-ray difference images based on the second weight during display of the plurality of combined sequential x-ray images.

21. A method according to claim 13 , further comprising:

filtering each of the plurality of sequential x-ray difference images based on the second one or more filter parameters to generate a second plurality of sequential filtered x-ray difference images;

combining each of the second plurality of sequential filtered x-ray difference images with a corresponding one of the plurality of sequential x-ray difference images based on a second weight to generate an additional plurality of combined sequential x-ray images; and

displaying the additional plurality of combined sequential x-ray images sequentially.

22. A method according to claim 21 , wherein each of the plurality of sequential x-ray difference images is filtered based on the second one or more filter parameters, and each of the second plurality of sequential filtered x-ray difference images is combined with a corresponding one of the plurality of sequential x-ray difference images based on the weight during display of the plurality of combined sequential x-ray images.

23. A method according to claim 21 , wherein the one or more filter parameters define a band-reject filter, and the second one or more filter parameters define a band-pass filter.

24. A method according to claim 23 , wherein each of the plurality of sequential x-ray difference images is filtered based on the second one or more filter parameters, and each of the second plurality of sequential filtered x-ray difference images is combined with a corresponding one of the plurality of sequential x-ray difference images based on the weight during display of the plurality of combined sequential x-ray images.

Assignments (5)
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE PREVIOUSLY RECORDED AT REEL: 066088 FRAME: 0256. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Jan 17, 2024
From: SIEMENS HEALTHCARE GMBH
To: SIEMENS HEALTHINEERS AG
Reel/Frame 071178/0246 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 20, 2023
From: SIEMENS HEALTHCARE GMBH
To: SIEMENS HEALTHINEERS AG
Reel/Frame 066088/0256 →
CORRECTIVE ASSIGNMENT TO CORRECT THE EXECUTION DATE OF ASSIGNMENT 3, ASSIGNOR SIEMENS MEDICAL SOLUTIONS USA, INC. TO SIEMENS HEALTHCARE GMBH PREVIOUSLY RECORDED ON REEL 043379 FRAME 0673. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF INVENTOR RIGHTS.. Recorded Dec 2, 2020
From: SIEMENS MEDICAL SOLUTIONS USA, INC.
To: SIEMENS HEALTHCARE GMBH
Reel/Frame 056112/0540 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 31, 2017
From: SIEMENS MEDICAL SOLUTIONS USA, INC.
To: SIEMENS HEALTHCARE GMBH
Reel/Frame 043379/0673 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 28, 2013
From: BAUMGART, JOHN
To: SIEMENS MEDICAL SOLUTIONS USA, INC.
Reel/Frame 031488/0884 →
Continuity (2)
Provisional Application 61726035 · Nov 14, 2012
Related Publication 20140133731A1 · May 15, 2014