US 12,136,191 B2
Image processing apparatus, image processing method, and non-transitory computer-readable storage medium
Sota Torii, Kanagawa (JP); and Atsushi Iwashita, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Nov. 18, 2021, as Appl. No. 17/529,327.
Application 17/529,327 is a continuation of application No. PCT/JP2020/016777, filed on Apr. 16, 2020.
Claims priority of application No. 2019-101483 (JP), filed on May 30, 2019.
Prior Publication US 2022/0076397 A1, Mar. 10, 2022
Int. Cl. G06T 7/00 (2017.01); A61B 6/00 (2006.01); G06T 5/50 (2006.01); G06T 5/70 (2024.01)
CPC G06T 5/50 (2013.01) [A61B 6/00 (2013.01); G06T 5/70 (2024.01); G06T 7/0012 (2013.01)] 20 Claims
OG exemplary drawing
 
17. An image processing method comprising:
reducing a noise component of a first material characteristic image of a material contained in a plurality of radiation images captured by different radiation energies; and
generating a second material characteristic image by using (1) a composite image obtained from the plurality of radiation images, (2) the first material characteristic image, and (3) information indicative of a relationship between the second material characteristic image, the composite image, and the first material characteristic image.