公开(公告)号：US11759164B2

公开(公告)日：2023-09-19

申请号：US17542095

申请日：2021-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Youngjun Jung ,  Seungchan Baek ,  Taehyung Kim ,  Sangjun Park ,  Mikiko Ito ,  Hyoungjoon Jo

IPC: A61B6/00 ,  G01T1/202 ,  G01T1/20 ,  G01T1/24

CPC classification number: A61B6/542 ,  A61B6/4208 ,  G01T1/2018 ,  G01T1/2023 ,  G01T1/24

Abstract: An X-ray detector integral with an automatic exposure control (AEC) device can include an X-ray detection part configured to detect X-rays irradiated from an X-ray source and generate X-ray image data; and an automatic exposure detection board located below the X-ray detection part and configured to generate an X-ray sensing signal for automatic exposure control based on residual X-rays which have passed by or through the X-ray detection part.

公开(公告)号：US12175564B2

公开(公告)日：2024-12-24

申请号：US17443943

申请日：2021-07-28

Applicant: LG ELECTRONICS INC. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Mikiko Ito ,  Taehyung Kim ,  Youngjun Jung ,  Byungkee Lee ,  Sangjun Park ,  Seungryong Cho ,  Hyeongseok Kim ,  Jeongtae Soh

IPC: G06T11/00 ,  A61B6/02 ,  A61B6/40 ,  G06T7/00

Abstract: An X-ray imaging apparatus includes an X-ray generator including a plurality of X-ray sources, an X-ray detector configured to detect X-rays radiated from the plurality of X-ray sources and generate a plurality of pieces of projection data, and a processor configured to apply log projection to each of the plurality of pieces of projection data, to apply weighted projection to the log-projected projection data, to apply a bidirectional ramp filter to the weighted-projected projection data, and to generate a tomographic image reconstructed based on each of the projection data to which the bidirectional ramp filter is applied.