US 11,937,959 B2
X-ray diagnosis apparatus and image processing apparatus
Takuya Sakaguchi, Tochigi (JP); Kyojiro Nambu, Tochigi (JP); and Hisato Takemoto, Tochigi (JP)
Assigned to CANON MEDICAL SYSTEMS CORPORATION, Tochigi (JP)
Filed by CANON MEDICAL SYSTEMS CORPORATION, Tochigi (JP)
Filed on Dec. 20, 2022, as Appl. No. 18/068,983.
Application 16/565,061 is a division of application No. 16/026,920, filed on Jul. 3, 2018, granted, now 10,456,095, issued on Oct. 29, 2019.
Application 16/026,920 is a division of application No. 15/357,568, filed on Nov. 21, 2016, granted, now 10,028,711, issued on Jul. 24, 2018.
Application 15/357,568 is a division of application No. 14/058,906, filed on Oct. 21, 2013, granted, now 9,532,754, issued on Jan. 3, 2017.
Application 14/058,906 is a division of application No. 12/605,857, filed on Oct. 26, 2009, granted, now 8,594,271, issued on Nov. 26, 2013.
Application 18/068,983 is a continuation of application No. 17/073,736, filed on Oct. 19, 2020, granted, now 11,540,790.
Application 17/073,736 is a continuation of application No. 16/565,061, filed on Sep. 9, 2019, granted, now 10,827,991, issued on Nov. 10, 2020.
Claims priority of application No. 2008-275348 (JP), filed on Oct. 27, 2008.
Prior Publication US 2023/0129981 A1, Apr. 27, 2023
Int. Cl. A61B 6/12 (2006.01); A61B 6/00 (2006.01); G06T 7/00 (2017.01); G06T 7/11 (2017.01); G06T 7/246 (2017.01); A61B 5/318 (2021.01)
CPC A61B 6/12 (2013.01) [A61B 6/4441 (2013.01); A61B 6/461 (2013.01); A61B 6/486 (2013.01); A61B 6/504 (2013.01); A61B 6/5205 (2013.01); G06T 7/0012 (2013.01); G06T 7/11 (2017.01); G06T 7/246 (2017.01); A61B 5/318 (2021.01); A61B 6/481 (2013.01); G06T 2207/10116 (2013.01); G06T 2207/10121 (2013.01); G06T 2207/20104 (2013.01); G06T 2207/20164 (2013.01); G06T 2207/30021 (2013.01); G06T 2207/30048 (2013.01); G06T 2207/30052 (2013.01); G06T 2207/30101 (2013.01); G06T 2207/30204 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method comprising:
acquiring first X-ray images along a time sequence;
detecting a position of a first feature point on each of the first X-ray images;
generating correction images from the first X-ray images through at least one of image shift and image transformation, based on the positions of the first feature points on the first X-ray images; and
performing control of displaying the correction images from the first X-ray images,
wherein when a second feature point is not detected from a second X-ray image acquired after the first X-ray images, performing control of displaying the correction images continuously.