US 11,796,694 B2
Pet apparatus, method, and recording medium
Manabu Teshigawara, Otawara (JP)
Assigned to CANON MEDICAL SYSTEMS CORPORATION, Tochigi (JP)
Filed by CANON MEDICAL SYSTEMS CORPORATION, Tochigi (JP)
Filed on Mar. 4, 2022, as Appl. No. 17/653,533.
Claims priority of application No. 2021-034629 (JP), filed on Mar. 4, 2021.
Prior Publication US 2022/0283326 A1, Sep. 8, 2022
Int. Cl. G01T 7/00 (2006.01); G01T 1/29 (2006.01); A61B 6/03 (2006.01); A61B 6/00 (2006.01)
CPC G01T 7/00 (2013.01) [A61B 6/037 (2013.01); A61B 6/586 (2013.01); G01T 1/2985 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A Positron Emission Tomography (PET) apparatus comprising processing circuitry configured:
to obtain information about a defective channel of a PET detector at a second point in time later than a first point in time corresponding to a first sensitivity map that is a sensitivity map of the PET detector corresponding to the first point in time and being stored in a memory; and
to generate a second sensitivity map that is a sensitivity map of the PET detector corresponding to the second point in time, on a basis of the information about the defective channel.