公开(公告)号：US20220187402A1

公开(公告)日：2022-06-16

申请号：US17684601

申请日：2022-03-02

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Kenzo ISOGAWA ,  Toshiyuki ONO ,  Kenichi SHIMOYAMA ,  Nobuyuki MATSUMOTO ,  Shuhei NITTA ,  Satoshi KAWATA ,  Toshimitsu KANEKO ,  Mai MURASHIMA

IPC: G01R33/565

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes an MRI system and a processing circuitry. The MRI system includes a receiving coil to receive a magnetic resonance signal. The processing circuitry is configured to generate an image based on the magnetic resonance signal, the image including a plurality of pixels; calculate a feature value corresponding to a signal value of the pixel; correct the feature values based on a sensitivity of the receiving coil; and reduce noise in the image based on distribution of the corrected feature values.

公开(公告)号：US20190000409A1

公开(公告)日：2019-01-03

申请号：US16021951

申请日：2018-06-28

Applicant: Canon Medical Systems Corporation

Inventor： Emi TAMURA ,  Hiroaki MIYAZAKI ,  Hiroaki NAKAI ,  Toshiyuki ONO

IPC: A61B6/00 ,  A61B6/03

Abstract: An X-ray CT apparatus according to one embodiment includes a photon counting detector and a processing circuitry. The photon counting detector includes a plurality of detecting elements configured to detect X-rays. The processing circuitry is configured to set a control parameter corresponding to a position of each of the detecting elements in the photon counting detector.