-
公开(公告)号：US10085706B2
公开(公告)日：2018-10-02
申请号：US14547559
申请日：2014-11-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dong-Goo Kang , Sunghoon Kang , Young Hun Sung , Jaemock Yi , Jae Hak Lee , Seokmin Han
Abstract: An X-ray imaging apparatus includes an X-ray source configured to radiate X-rays onto an object region, an X-ray detector configured to detect the radiated X-rays and obtain image frames of the object region based on the detected X-rays, and a filter configured to filter X-rays radiated from the X-ray source such that the X-rays incident on a region of interest (ROI) of the object region have a lower dose than a dose of X-rays incident on a non-ROI of the object region.
-
公开(公告)号：US20140132261A1
公开(公告)日：2014-05-15
申请号：US14075753
申请日：2013-11-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Young Beom Kim , Yeunchul Ryu , Jaemock Yi
IPC: G01R33/483 , G06T15/08
CPC classification number: G01R33/4835 , A61B5/055 , G01R33/5611
Abstract: A magnetic resonance imaging (MRI) method includes defining a plurality of sub-volumes so that each of the sub-volumes includes a plurality of sequential slices of a plurality of slices that make up a volume of a subject, wherein the sub-volumes are divided into a plurality of groups so that any neighboring sub-volumes belong to different groups; applying radio-frequency (RF) pulses including a plurality of frequency components and a selection gradient to the subject to simultaneously excite a plurality of sub-volumes in each of the groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes so that only some slices of the plurality of slices in each of the excited sub-volumes are encoded in a slice direction; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of slices in each of the encoded sub-volumes.
Abstract translation: 磁共振成像（MRI）方法包括定义多个子体积，使得每个子体积包括构成受试者体积的多个切片的多个顺序切片，其中子体积为 分为多个组，使得任何相邻的子卷属于不同的组; 将包括多个频率分量和选择梯度的射频（RF）脉冲施加到对象以同时激发每个组中的多个子体积; 在每个激发的子体积上执行三维（3D）编码，使得每个激励子体积中的多个切片中的一些切片在切片方向上被编码; 从编码子体积获取磁共振信号; 以及将所获取的磁共振信号重构成与每个所述编码子卷中的所述多个片中的每一个相对应的图像数据。
-
公开(公告)号：US09504439B2
公开(公告)日：2016-11-29
申请号：US14507951
申请日：2014-10-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaemock Yi , Dong-Goo Kang , Young Hun Sung
CPC classification number: A61B6/542 , A61B6/4035 , A61B6/405 , A61B6/4233 , A61B6/4441 , A61B6/469 , A61B6/504 , A61B6/5205
Abstract: An X-ray imaging apparatus includes an X-ray source configured to radiate X-rays to a region of a subject, an X-ray detector configured to acquire a plurality of frame images related to the region of the subject by detecting the radiated X-rays, a filter configured to filter the X-rays radiated from the X-ray source, an image processor configured to set a region of interest within the region of the subject based on the plurality of frame images, and a controller configured to control the filter so that X-rays of a lower dose than a dose of X-rays made incident on the region of interest are made incident on a region of non-interest within the region of the subject, and control the X-ray detector so that a gain of the X-ray detector in the region of non-interest is greater than that in the region of interest.
Abstract translation: 一种X射线摄像装置，具备将X射线照射到被检体的区域的X射线源，X射线检测器，被配置为通过检测被照射的X射线来获取与被检者的区域有关的多个帧图像 射线，被配置为过滤从X射线源辐射的X射线的过滤器，被配置为基于多个帧图像在对象的区域内设置感兴趣区域的图像处理器，以及被配置为控制 过滤器使得入射在感兴趣区域上的X射线剂量较低的X射线入射到受检者区域内的非感兴趣区域，并且将X射线检测器控制 在非兴趣区域的X射线检测器的增益大于感兴趣区域的增益。
-
公开(公告)号：US20140132264A1
公开(公告)日：2014-05-15
申请号：US14079199
申请日：2013-11-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young Beom Kim , Yeunchul Ryu , Jaemock Yi
IPC: G01R33/483
CPC classification number: G01R33/4835 , G01R33/4822 , G01R33/4826 , G01R33/5611
Abstract: A magnetic resonance imaging (MRI) method includes: applying radio-frequency (RF) pulses comprising a plurality of frequency components and a selection gradient to a subject to simultaneously excite a plurality of sub-volumes in each of a plurality of groups, wherein a plurality of sub-volumes making up a volume of the subject are divided into the plurality of groups so that any neighboring sub-volumes belong to different groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes using a plurality of encoding methods; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the encoded sub-volumes.
Abstract translation: 磁共振成像（MRI）方法包括：对受试者施加包括多个频率分量和选择梯度的射频（RF）脉冲，以同时激励多个组中的每一个中的多个子体积，其中a 构成被摄体的体积的多个子体积被分成多个组，使得任何相邻的子体积属于不同的组; 使用多种编码方法对每个激发的子体积执行三维（3D）编码; 从编码子体积获取磁共振信号; 以及将所获取的磁共振信号重建为与每个编码子体积对应的图像数据。
-
公开(公告)号：US09958523B2
公开(公告)日：2018-05-01
申请号：US14079199
申请日：2013-11-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Young Beom Kim , Yeunchul Ryu , Jaemock Yi
IPC: G01V3/00 , G01R33/483 , G01R33/48 , G01R33/561
CPC classification number: G01R33/4835 , G01R33/4822 , G01R33/4826 , G01R33/5611
Abstract: A magnetic resonance imaging (MRI) method includes: applying radio-frequency (RF) pulses comprising a plurality of frequency components and a selection gradient to a subject to simultaneously excite a plurality of sub-volumes in each of a plurality of groups, wherein a plurality of sub-volumes making up a volume of the subject are divided into the plurality of groups so that any neighboring sub-volumes belong to different groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes using a plurality of encoding methods; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the encoded sub-volumes.
-
Patent Agency Ranking
公开(公告)号：US09791528B2
公开(公告)日：2017-10-17
申请号：US14075753
申请日：2013-11-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Young Beom Kim , Yeunchul Ryu , Jaemock Yi
IPC: G01V3/00 , G01R33/483 , A61B5/055 , G01R33/561
CPC classification number: G01R33/4835 , A61B5/055 , G01R33/5611
Abstract: A magnetic resonance imaging (MRI) method includes defining a plurality of sub-volumes so that each of the sub-volumes includes a plurality of sequential slices of a plurality of slices that make up a volume of a subject, wherein the sub-volumes are divided into a plurality of groups so that any neighboring sub-volumes belong to different groups; applying radio-frequency (RF) pulses including a plurality of frequency components and a selection gradient to the subject to simultaneously excite a plurality of sub-volumes in each of the groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes so that only some slices of the plurality of slices in each of the excited sub-volumes are encoded in a slice direction; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of slices in each of the encoded sub-volumes.
-
公开(公告)号：US11373308B2
公开(公告)日：2022-06-28
申请号：US16773317
申请日：2020-01-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaemock Yi , Mincheol Park
Abstract: An X-ray image processing method, including obtaining a first X-ray image of an object including a plurality of materials including a first material and a second material different from the first material; obtaining three-dimensional (3D) information about the object using a 3D camera; obtaining first information about a thickness of the object based on the 3D information; and obtaining second information related to a stereoscopic structure of the first material by decomposing the first material from the object using the first information and the first X-ray image.
-
公开(公告)号：US09964618B2
公开(公告)日：2018-05-08
申请号：US14059808
申请日：2013-10-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Young Beom Kim , Yeunchul Ryu , Jong-bum Son , Jaemock Yi , Seong-deok Lee
IPC: G01R33/54 , G01R33/483 , G01R33/561
CPC classification number: G01R33/543 , G01R33/4835 , G01R33/5611
Abstract: A method of magnetic resonance imaging (MRI) includes applying radio frequency (RF) pulses including a plurality of frequency components and a selection gradient to a target to simultaneously excite a plurality of sub-volumes included in each of a plurality of groups, wherein neighboring sub-volumes of all sub-volumes constituting a volume of the target belong to different groups; acquiring magnetic resonance signals from the plurality of sub-volumes by performing 3D encoding on each of the excited sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of sub-volumes.
-
公开(公告)号：US09820715B2
公开(公告)日：2017-11-21
申请号：US14838652
申请日：2015-08-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dong-Goo Kang , Young Hun Sung , Sung W Jeon , Jaemock Yi , Jiyoung Choi
CPC classification number: A61B6/542 , A61B6/06 , A61B6/107 , A61B6/4035 , A61B6/4441 , A61B6/461 , A61B6/487 , A61B6/504 , A61B6/547
Abstract: An X-ray imaging apparatus is provided. The X-ray imaging apparatus includes an X-ray source configured for irradiating X-rays to a subject; a filtering unit configured for controlling a dose of X-rays irradiated to the subject; and a processor configured for distinguishing and setting up an uninterested region in an X-ray image obtained based in the irradiated X-rays, and for controlling the filtering unit to set a dose of X-rays irradiated into the uninterested region.
-
公开(公告)号：US09810757B2
公开(公告)日：2017-11-07
申请号：US14075655
申请日：2013-11-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jong-bum Son , Seong-deok Lee , Jaemock Yi
IPC: G01V3/00 , G01R33/48 , G01R33/561
CPC classification number: G01R33/482 , G01R33/5619
Abstract: Provided are high-speed magnetic resonance imaging methods and apparatuses that enable simultaneously obtaining magnetic resonance images with different resolutions. The present embodiments may produce magnetic resonance images with different resolutions more quickly by decreasing time taken to complete scan operations that are performed for producing the magnetic resonance images.
-
-
-
-
-
-
-
-
-
Search Results
18
records
(took 0.027 seconds)
