X-ray diagnosis apparatus and method for obtaining an X-ray image

1. A method for obtaining an X-ray image using an X-ray diagnosis apparatus including a first imaging system including a first X-ray tube and a first X-ray detector and a second imaging system including a second X-ray tube and a second X-ray detector, the method comprising:

collecting scatter data using the second X-ray detector after at least one X-ray is irradiated from the first X-ray tube;

collecting scatter data using the first X-ray detector after at least one X-ray is irradiated from the second X-ray tube and subsequently collecting the scatter data using the second X-ray detector;

collecting, substantially simultaneously, image data including a scatter component using the first and the second X-ray detectors; and

obtaining X-ray images imaged using the first imaging system and the second imaging system by subtracting the scatter data collected by the first and second X-ray detectors from the image data including the scatter component collected by the first and second X-ray detectors,

wherein a collection time of the scatter data is shorter than a collection time of the image data including the scatter component.

2. A method for obtaining an X-ray image using an X-ray diagnosis apparatus including a first imaging system including a first X-ray tube and a first X-ray detector and a second imaging system including a second X-ray tube and a second X-ray detector, the method comprising:

collecting, substantially simultaneously, scatter data using the first and second X-ray detectors after at least one X-ray is irradiated from the first X-ray tube;

collecting, substantially simultaneously, image data including a scatter component using the first and the second X-ray detectors after at least one X-ray is irradiated from the second X-ray tube; and

obtaining X-ray images imaged using the first imaging system and the second imaging system by subtracting the scatter data collected by the first and second X-ray detectors from the image data including the scatter component collected by the first and second X-ray detectors,

wherein a collection time of the scatter data is shorter than a collection time of the image data including the scatter component.

3. A method for obtaining an X-ray image using an X-ray diagnosis apparatus including a first imaging system including a first X-ray tube and a first X-ray detector and a second imaging system including a second X-ray tube and a second X-ray detector, the method comprising:

collecting, substantially simultaneously, first scatter data using the first and second X-ray detectors after at least one X-ray is irradiated from the first X-ray tube;

collecting second scatter data using the first X-ray detector after at least one X-ray is irradiated from the second X-ray tube and subsequently collecting the second scatter data using the second X-ray detector,

subsequently collecting, substantially simultaneously, image data including a scatter component using the first and second X-ray detectors;

subtracting the second scatter data from the first scatter data, thereby obtaining subtracted scatter data;

obtaining an X-ray image by subtracting the subtracted scatter data from the image data including the scatter component collected by the first X-ray detector; and

obtaining an X-ray image by subtracting the scatter data collected by the second X-ray detector from the image data including the scatter component collected by the second X-ray detector,

wherein a collection time of the scatter data is shorter than a collection time of the image data including the scatter component.

4. A method for obtaining X-ray image by an X-ray diagnosis apparatus including a first X-ray tube configured to irradiate X-rays in a first direction, a first X-ray detector corresponding to the first X-ray tube, a second X-ray tube for irradiating X-rays in a second direction different from the first direction, and a second X-ray detector corresponding to the second X-ray tube, the method comprising:

collecting first image data using the second X-ray detector based on at least one X-ray irradiated from the first X-ray tube;

collecting second image data using the first X-ray detector based on at least one X-ray irradiated from the second X-ray tube;

collecting third image data at a speed lower than a collecting speed of the second image data using the first X-ray detector based on the X-rays irradiated from the first and second X-ray tubes;

collecting fourth image data at a speed lower than a collecting speed of the first image data using the second X-ray detector, substantially simultaneously with the collecting the third image data, based on the X-rays irradiated from the first and second X-ray tubes;

removing a scatter component included in the third image data using the second image data; and

removing a scatter component included in the fourth image data using the first image data.

5. The method for obtaining X-ray image according to claim 4 , wherein a spatial resolution of the first image data is lower than a spatial resolution of the fourth image data.

6. The method for obtaining X-ray image according to claim 5 , wherein a spatial resolution of the second image data is lower than a spatial resolution of the third image data.

7. The method for obtaining X-ray image according to claim 4 , wherein the collection of the fourth image data is subsequent to the collection of the first image data.

8. The method for obtaining X-ray image according to claim 7 , wherein the collection of the third image data is subsequent to the collection of the second image data.

9. The method for obtaining X-ray image according to claim 8 , further comprising collecting fifth image data using the first X-ray detector substantially simultaneous to collecting the first image.

10. The method for obtaining X-ray image according to claim 9 , wherein the removal of the scatter component included in the third image data uses the fifth image data.

11. The method for obtaining X-ray image according to claim 10 , further comprising collecting sixth image data using the second X-ray detector substantially simultaneously to collecting the second image.

12. The method for obtaining X-ray image according to claim 11 , wherein the removal of the scatter component included in the fourth image data uses the sixth image data.

13. A method for obtaining an X-ray image using an X-ray diagnosis apparatus including a first X-ray tube configured to irradiate X-rays in a first direction, a first X-ray detector corresponding to the first X-ray tube, a second X-ray tube for irradiating X-rays in a second direction different from the first direction, and a second X-ray detector corresponding to the second X-ray tube, the method comprising:

collecting first image data using the second X-ray detector based on at least one X-ray irradiated from the first X-ray tube;

collecting second image data using the first X-ray detector based on the at least one X-ray irradiated from the first X-ray tube;

collecting third image data using the first X-ray detector based on X-rays irradiated from the first and second X-ray tubes;

collecting fourth image data using the second X-ray detector, substantially simultaneously to collecting the third image data, based on the X-rays irradiated from the first and second X-ray tubes;

removing a scatter component included in the third image data using the second image data; and

removing a scatter component included in the fourth image data using the first image data.

14. A method for obtaining an X-ray image using an X-ray diagnosis apparatus including a first X-ray tube configured to irradiate X-rays in a first direction, a first X-ray detector corresponding to the first X-ray tube, a second X-ray tube configured to irradiate X-rays in a second direction different from the first direction, and a second X-ray detector corresponding to the second X-ray tube, the method comprising:

irradiating at least one X-ray from the first X-ray tube;

collecting first image data using the second X-ray detector based on the at least one X-ray irradiated from the first X-ray tube;

irradiating at least one X-ray from the second X-ray tube;

collecting second image data using the second X-ray detector based on the X-rays irradiated from the first and second X-ray tubes at a lower speed than a collecting speed of the first image data; and

removing a scatter component included in the second image data using the first image data.

15. An X-ray diagnosis apparatus, comprising:

a first X-ray tube configured to irradiate X-rays in a first direction;

a first X-ray detector corresponding to the first X-ray tube;

a second X-ray tube configured to irradiate X-rays in a second direction different from the first direction;

a second X-ray detector corresponding to the second X-ray tube;

a controller configured to control the second X-ray detector to collect first image data based on at least one X-ray irradiated from the first X-ray tube, the first X-ray detector to collect second image data based on at least one X-ray irradiated from the second X-ray tube, the first X-ray detector to collect third image data based on the X-rays irradiated from the first and second X-ray tubes at a lower speed than a collecting speed of the second image data, the second X-ray detector to collect fourth image data, substantially simultaneously to collecting the third image data, based on the X-rays irradiated from the first and second X-ray tubes at a lower speed than a collecting speed of the first image data; and

an image processor configured to remove a scatter component included in the third image data using the second image data and to remove a scatter component included in the fourth image data using the first image data.

16. An X-ray diagnosis apparatus, comprising:

a first X-ray tube configured to irradiate X-rays in a first direction;

a first X-ray detector corresponding to the first X-ray tube;

a second X-ray tube configured to irradiate X-rays in a second direction that is different from the first direction;

a second X-ray detector corresponding to the second X-ray tube;

a controller configured to control the second X-ray detector to collect first image data based on at least one X-ray irradiated from the first X-ray tube, the first X-ray detector to collect second image data based on at least one X-ray irradiated from the first X-ray tube, the first X-ray detector to collect third image data based on the X-rays irradiated from the first and second X-ray tubes, the second X-ray detector to collect fourth image data, substantially simultaneously to collecting the third image data, based on the X-rays irradiated from the first and second X-ray tubes; and

an image processor configured to remove a scatter component included in the third image data by using the second image data and to remove a scatter component included in the fourth image data using the first image data.

17. An X-ray diagnosis apparatus, comprising:

a first X-ray tube configured to irradiate X-rays in a first direction;

a first X-ray detector corresponding to the first X-ray tube;

a second X-ray tube configured to irradiate X-rays in a second direction different from the first direction;

a second X-ray detector corresponding to the second X-ray tube;

a controller configured to control the first X-ray tube to irradiate at least one X-ray, the second X-ray detector to collect first image data based on the at least one X-ray irradiated from the first X-ray tube, the second X-ray tube to irradiate at least one X-ray, and the second X-ray detector to collect second image data based on the X-rays irradiated from the first and second X-ray tubes at a lower speed than a collecting speed of the first image data; and

an image processor configured to remove a scatter component included in the second image data using the first image data.