Patent ID: 11935234
Assignee: PANASONIC HOLDINGS CORPORATION
Field: Medical technology (Instruments)
Classification: CPC G  A | IPC G

Claim 27:
28. The method according to claim 27, further comprising:
detecting, in the obtained chest X-ray image using the computer, a first boundary line between an image of the one or more lungs and an image of the heart and/or a second boundary line between an image of one of the lungs and an image of the liver;
setting, using the computer, the third lung area in the obtained chest X-ray image on a basis of the first boundary line and/or the second boundary line; and
extracting, using the computer, a vascular index indicating density of at least one blood vessel in the area included in the third lung area,
wherein, in the determining, whether the area included in the third lung area is in an abnormal state is determined on a basis of the vascular index and a reference index indicating density of at least one blood vessel in an area in chest X-ray images in a normal state corresponding to the area included in the third lung area.