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11.发明申请公开(公告)号：US20200096591A1
公开(公告)日：2020-03-26
申请号：US16472069
申请日：2017-10-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Joon-sung CHOI , Myung-sung SONG , Dae-ho LEE
IPC: G01R33/563 , G01R33/48 , G01R33/56 , A61B5/055
Abstract: Provided is a method of acquiring magnetic resonance (MR) image with respect to an object including a blood vessel by using a three-dimensional (3D) gradient echo sequence, the method including: acquiring k space data with respect to the object based on the 3D gradient echo sequence; and acquiring the MR image with respect to the object based on the acquired k space data, wherein the acquiring of the k space data includes acquiring the k space data based on the 3D gradient echo sequence having a TR (repetition time) that varies according to a value of at least one of a first axis or a second axis of the k space of the k space data.
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公开(公告)号：US20190328265A1
公开(公告)日：2019-10-31
申请号：US16478738
申请日：2018-01-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sang-young ZHO , Min-oh KIM , Dae-ho LEE
Abstract: Provided are a magnetic resonance (MR) image display apparatus, and a method of displaying a medical image. The MR image display apparatus includes a display; a processor; and a memory connected to the processor, wherein, the memory stores instructions executed by the processor for: receiving an input regarding a region of interest of an object; obtaining a positioning image for determining a location of the region of interest within a scanner of a magnetic resonance imaging (MRI) apparatus; and displaying, on the display, whether the location of the region of interest included in the positioning image corresponds to a location of an isocenter of the scanner.
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公开(公告)号：US20170234957A1
公开(公告)日：2017-08-17
申请号：US15390129
申请日：2016-12-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sang-young ZHO , Dae-ho LEE
IPC: G01R33/565 , G01R33/44 , G01R33/561 , G01R33/48
CPC classification number: G01R33/56545 , G01R33/443 , G01R33/4818 , G01R33/482 , G01R33/5611 , G01R33/5615 , G01R33/5616 , G01R33/56554 , G01R33/56563
Abstract: A magnetic resonance imaging (MRI) apparatus for obtaining a magnetic resonance (MR) image, based on a multi-echo sequence, and a method of the MRI apparatus are provided. The MRI apparatus includes a data obtainer configured to obtain first echo data, based on an echo that is generated at a first echo time, and obtain second echo data, based on an echo that is generated at a second echo time later than the first echo time, the first echo data including a part overlapping a part included in the second echo data in a k-space. The MRI apparatus further includes an image processor configured to reconstruct the MR image, based on the first echo data and the second echo data.
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公开(公告)号：US20170234955A1
公开(公告)日：2017-08-17
申请号：US15427151
申请日：2017-02-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sang-cheon CHOI , Dae-ho LEE , Jin-young HWANG
IPC: G01R33/561 , G01R33/48 , G01R33/56
CPC classification number: G01R33/5611 , G01R33/4835
Abstract: A method and an apparatus are provided for reconstructing a plurality of magnetic resonance (MR) images of an object. The method includes synthesizing first MR images of the object to generate a synthesized first MR image, acquiring a k-space data set of the synthesized first MR image, and determining a weighting coefficient representing a relationship between the acquired k-space data set and a k-space data set of a respective one of the first MR images, for each of the first MR images. The method further includes obtaining a multi-band MR image of the object by applying a multi-band radio frequency signal to the object, and reconstructing second MR images from the obtained multi-band MR image, based on the determined weighting coefficient for each of the first MR images.
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公开(公告)号：US20170082715A1
公开(公告)日：2017-03-23
申请号：US15227359
申请日：2016-08-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Joon-sung CHOI , Dae-ho LEE , Sang-young ZHO
IPC: G01R33/563 , A61B5/02 , A61B5/026 , A61B5/055
CPC classification number: G01R33/5635 , A61B5/02007 , A61B5/026 , A61B5/0555 , G01R33/4835 , G01R33/4838 , G01R33/561 , G01R33/56308
Abstract: A method, which is performed by an MRI apparatus, of scanning a blood vessel, includes: sequentially applying, according to a time-of-flight (TOF) method, radio frequency (RF) pulses respectively to first grouped slabs during a first repetition time (TR); sequentially acquiring MR signals respectively corresponding to the RF pulses applied during the first TR; sequentially applying, according to the TOF method, RF pulses respectively to second grouped slabs during a second TR; and sequentially acquiring MR signals respectively corresponding to the RF pulses applied during the second TR.
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Patent Agency Ranking
公开(公告)号：US20160033600A1
公开(公告)日：2016-02-04
申请号：US14813589
申请日：2015-07-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae-ho LEE , Sung-pil JUNG
IPC: G01R33/48 , G01R33/561 , G01R33/54
CPC classification number: G01R33/561 , G01R33/543 , G01R33/5611
Abstract: A magnetic resonance imaging (MRI) apparatus includes a radio frequency (RF) coil configured to receive a magnetic resonance (MR) signal emitted from an object; a sampling pattern determiner configured to determine a sampling pattern of k-space based on a sensitivity of the RF coil and signal region information which is information about a signal region where the MR signal is generated; and a digital data obtainer configured to obtain digital data of the k-space by sampling the MR signal based on the determined sampling pattern.
Abstract translation: 磁共振成像（MRI）装置包括被配置为接收从对象发射的磁共振（MR）信号的射频（RF）线圈; 配置为基于RF线圈的灵敏度确定k空间的采样模式的采样模式确定器和作为生成MR信号的信号区域的信息的信号区域信息; 以及数字数据获取器，被配置为通过基于所确定的采样模式对MR信号进行采样来获得k空间的数字数据。
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17.发明申请公开(公告)号：US20190059780A1
公开(公告)日：2019-02-28
申请号：US15997074
申请日：2018-06-04
Inventor： Dae-ho LEE , Hyun-wook PARK , Ki-nam KWON , Hyun-seok SEO
CPC classification number: A61B5/055 , A61B5/7207 , A61B5/7264 , G01R33/482 , G01R33/546 , G01R33/5608 , G01R33/5611 , G01R33/5615 , G06N3/08 , G06T7/0014 , G06T2207/10088 , G06T2207/20081 , G06T2207/20084
Abstract: A magnetic resonance imaging (MRI) apparatus includes a processor, and a memory storing a program including instructions that, when executed by the processor, cause the processor to acquire first data of a subsampled magnetic resonance (MR) image, acquire, based on a learning model using a neural network, first reconstructed data with respect to rows of pixels in a first phase encoding direction of the first data of the subsampled MR image, and obtain a reconstructed image corresponding to the subsampled MR image, using the first reconstructed data.
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18.发明申请公开(公告)号：US20190033407A1
公开(公告)日：2019-01-31
申请号：US16033387
申请日：2018-07-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyun-seok SEO , Dae-ho LEE , Joon-soo KIM
IPC: G01R33/483 , G01R33/565
Abstract: A magnetic resonance imaging (MRI) apparatus includes a processor; and a memory connected to the processor and storing an instruction that, when executed by the processor, causes the processor to acquire a first magnetic resonance signal by applying a first pulse sequence to a plurality of slices of an object, acquire a second magnetic resonance signal by applying a second pulse sequence to the plurality of slices, and generate a multi-slice image, based on an average value of the acquired first magnetic resonance signal and the acquired second magnetic resonance signal.
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公开(公告)号：US20180063313A1
公开(公告)日：2018-03-01
申请号：US15789206
申请日：2017-10-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae-ho LEE , Jung-hye MIN , Kyung-ho JEONG
CPC classification number: H04M1/7253 , G06F1/163 , H04M1/05 , H04M1/576 , H04M1/6066 , H04W84/18
Abstract: A mobile terminal includes a communicator configured to communicate with wearable devices; a memory configured to store capability information indicating capabilities of the wearable devices; and a processor configured to determine a first wearable device and a second wearable device among the wearable devices capable of executing a function of the mobile terminal, based on the capability information, the first wearable device being configured to perform a first sub-function for executing the function of the mobile terminal, the second wearable device being configured to perform a second sub-function to be executed together with the first sub-function to execute the function of the mobile terminal, the processor being configured to control the first wearable device to perform the first sub-function and to control the second wearable device to perform the second sub-function.
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20.发明申请公开(公告)号：US20170234954A1
公开(公告)日：2017-08-17
申请号：US15405966
申请日：2017-01-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae-ho LEE , Sang-cheon CHOI
IPC: G01R33/483 , G01R33/54 , G01R33/56
CPC classification number: G01R33/4835 , G01R33/4818 , G01R33/5607
Abstract: A magnetic resonance imaging (MRI) apparatus includes a radio frequency (RF) controller configured to, for a repetition time period, control the MRI apparatus to apply, to an object, an RF preparation pulse having a coverage area covering two or more slices among a plurality of slices of the object, control the MRI apparatus to apply, to the object, RF pulses respectively corresponding to the plurality of slices, and move the coverage area. The MRI apparatus further includes a data acquirer configured to acquire magnetic resonance signals from the plurality of slices during the repetition time period.
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