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公开(公告)号：US10172572B2
公开(公告)日：2019-01-08
申请号：US15408271
申请日：2017-01-17
Inventor： Ji Wook Jeong , Seung-Hoon Chae , Sooyeul Lee
Abstract: A digital breast tomosynthesis system includes an object fixing unit including first and second fixing plates, a first vibration plate moved in linkage with the first fixing plate and a second vibration plate moved in linkage with the second fixing plate, and configured to fix the object between the first and second vibration plates, an X-ray generator configured to project X-ray toward the object; an X-ray detector configured to detect the X-ray, a vibration generating device configured to vibrate the first and second vibration plates at a set frequency, and a vibration control device configured to control the vibration generating device by generating a vibration signal corresponding to the set frequency, wherein the X-ray generator projects the X-ray at specific time intervals on the basis of the set frequency.
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公开(公告)号：US11049293B2
公开(公告)日：2021-06-29
申请号：US16546986
申请日：2019-08-21
Inventor： Seung-Hoon Chae , Sooyeul Lee
Abstract: Provided is an operating method of an imaging system, the operating method including illuminating, by a light illuminator, light onto a subject from a light source, acquiring, by an optical detector, a two-dimensional projection image on the subject, generating a first projection matrix between three-dimensional coordinates of the subject and two-dimensional coordinates of the projection image, generating a three-dimensional first volume image on the subject on the basis of the first projection matrix and the projection image, generating a two-dimensional digitally reconstructed radiograph (DRR) on the subject from the first volume image, matching the projection image and the DRR, and updating the first projection matrix on the basis of a matched result to generate a second projection matrix, and generating a three-dimensional second volume image on the subject on the basis of the second projection matrix and the projection image.
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公开(公告)号：US11557038B2
公开(公告)日：2023-01-17
申请号：US17072496
申请日：2020-10-16
Inventor： Seung-Hoon Chae , Sooyeul Lee , Jeongwon Lee , Seunghwan Kim , Yoon Seon Song , Ji Wook Jeong
Abstract: The apparatus for an X-ray data generation according to an embodiment of the inventive concept includes a processor that receives 3D data to generate output data and a buffer, and the processor includes an extraction unit that extracts raw object data from the 3D data and projects the raw object data onto a 2D plane to generate first object data, an augmentation unit that performs data augmentation on the first object data to generate second object data, a composition unit that synthesizes the second object data and background data to generate composite data, and a post-processing unit that performs post-processing on the composite data to generate the output data, and the buffer stores a plurality of parameters related to generation of the first object data, the second object data, the composite data, and the output data.
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公开(公告)号：US10346977B2
公开(公告)日：2019-07-09
申请号：US15662215
申请日：2017-07-27
Inventor： Seung-Hoon Chae , Jang Hwan Choi , Ji Wook Jeong , Sooyeul Lee
Abstract: Provided is an operating method of a medical imaging device. The method includes receiving a 3D medical image, generating a 2D medical image from the 3D medical image based in a plate interpolation, and displaying the 2D medical image by using plate interpolation based weight information and interest region information.
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