US 12,266,102 B2
Attenuation distribution image creating device, image processing device, radiation computed tomography system, attenuation distribution image creating method, and image processing method
Fumio Hashimoto, Hamamatsu (JP); Masanori Ito, Hamamatsu (JP); Kibo Ote, Hamamatsu (JP); and Takashi Isobe, Hamamatsu (JP)
Assigned to HAMAMATSU PHOTONICS K.K., Hamamatsu (JP)
Appl. No. 17/795,295
Filed by HAMAMATSU PHOTONICS K.K., Hamamatsu (JP)
PCT Filed Jan. 26, 2021, PCT No. PCT/JP2021/002628
§ 371(c)(1), (2) Date Jul. 26, 2022,
PCT Pub. No. WO2021/153555, PCT Pub. Date Aug. 5, 2021.
Claims priority of application No. 2020-011664 (JP), filed on Jan. 28, 2020.
Prior Publication US 2023/0072175 A1, Mar. 9, 2023
Int. Cl. G06T 7/00 (2017.01); G06V 10/25 (2022.01); G06V 10/82 (2022.01)
CPC G06T 7/0012 (2013.01) [G06V 10/25 (2022.01); G06V 10/82 (2022.01); G06T 2207/10081 (2013.01); G06T 2207/10104 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An attenuation distribution image creation apparatus comprising:
a first processing unit configured to input an emission scan image of an attenuation correction object to a neural network being trained using an emission scan image of each of a plurality of subjects as an input image and a subject region extraction image based on an attenuation distribution image as a teacher image, and output an intermediate image from the neural network; and
a second processing unit configured to create an attenuation distribution image by adding an image of a bed on which the subject is placed in acquiring the emission scan image of the attenuation correction object to the intermediate image.