Thoracic diagnosis assistance system

1. A thoracic diagnosis assistance system comprising:

a capturing unit which captures a dynamic state of a thoracic portion to generate a plurality of frame images;

a deforming unit which sets a reference point in a position corresponding to each other among the plurality of generated frame images, extracts a lung field region from each of the plurality of frame images, and deforms a shape of the lung field region in each of the plurality of frame images so that a distance from the set reference point to an outline of an outer side of the lung field region becomes equal; and

a generating unit which analyzes a dynamic state in the lung field region based on the plurality of frame images in which a shape of the lung field region is deformed by the deforming unit, and generates an analysis result image showing a result of the analysis in a corresponding position in the deformed lung field region.

2. The thoracic diagnosis assistance system of claim 1 , wherein, the generating unit analyzes blood flow in the lung field region, and generates an analysis result image showing an analysis result of the blood flow in a corresponding position in the lung field region.

3. The thoracic diagnosis assistance system of claim 1 , wherein, the reference point is a pulmonary hilum in the lung field region.

4. The thoracic diagnosis assistance system of claim 1 , wherein, the deforming unit deforms the shape of the lung field region so that the outline of the outer side of the lung field region is an arc shape.

5. The thoracic diagnosis assistance system of claim 1 , further comprising, a display control unit which assigns a color or a brightness according to a value of the analysis result in the lung field region of the analysis result image with the shape of the lung field region deformed and displays the analysis result image on a display unit.

6. The thoracic diagnosis assistance system of claim 1 , further comprising, a region analysis unit which sets an analysis target region according to a distance from the reference point, the analysis target region set in the lung field region in the analysis result image with the shape of the lung field region deformed, and analyzes the dynamic state in the set analysis target region.

7. The thoracic diagnosis assistance system of claim 1 , further comprising,

a difference image generating unit which calculates a difference value between values of an analysis result of corresponding positions in two analysis result images with the shape of the lung field region deformed, and generates a difference image; and

an extracting unit which extracts at least one of a location in which the difference value exceeds a predetermined threshold value or a location in which the difference value is equal to or less than the predetermined threshold value in the difference image.

8. The thoracic diagnosis assistance system of claim 5 , wherein, the display control unit displays on the display unit the analysis result image with the shape of the lung field region deformed including diagnosis assistance information.

9. A thoracic diagnosis assistance system comprising:

a capturing unit which captures a dynamic state of a thoracic portion to generate a plurality of frame images;

a generating unit which extracts a lung field region from the plurality of generated frame images, analyzes a dynamic state in the lung field region, and generates an analysis result image showing a result of the analysis in a corresponding position in the lung field region; and

a deforming unit which sets a reference point in the analysis result image, and deforms a shape of the lung field region in the analysis result image so that a distance from the set reference point to an outline of an outer side of the lung field region in the analysis result image becomes equal.

10. The thoracic diagnosis assistance system of claim 9 , wherein, the generating unit analyzes blood flow in the lung field region, and generates an analysis result image showing an analysis result of the blood flow in a corresponding position in the lung field region.

11. The thoracic diagnosis assistance system of claim 9 , wherein, the reference point is a pulmonary hilum in the lung field region.

12. The thoracic diagnosis assistance system of claim 9 , wherein, the deforming unit deforms the shape of the lung field region so that the outline of the outer side of the lung field region is an arc shape.

13. The thoracic diagnosis assistance system of claim 9 , further comprising, a display control unit which assigns a color or a brightness according to a value of the analysis result in the lung field region of the analysis result image with the shape of the lung field region deformed and displays the analysis result image on a display unit.

14. The thoracic diagnosis assistance system of claim 9 , further comprising, a region analysis unit which sets an analysis target region according to a distance from the reference point, the analysis target region set in the lung field region in the analysis result image with the shape of the lung field region deformed, and analyzes the dynamic state in the set analysis target region.

15. The thoracic diagnosis assistance system of claim 9 , further comprising,

a difference image generating unit which calculates a difference value between values of an analysis result of corresponding positions in two analysis result images with the shape of the lung field region deformed, and generates a difference image; and

an extracting unit which extracts at least one of a location in which the difference value exceeds a predetermined threshold value or a location in which the difference value is equal to or less than the predetermined threshold value in the difference image.

16. The thoracic diagnosis assistance system of claim 13 , wherein, the display control unit displays on the display unit the analysis result image with the shape of the lung field region deformed including diagnosis assistance information.