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    METHOD AND APPARATUS FOR QUANTIFYING PROPERTIES OF AN OBJECT THROUGH MAGNETIC RESONANCE IMAGING (MRI)
    1.
    发明申请
    METHOD AND APPARATUS FOR QUANTIFYING PROPERTIES OF AN OBJECT THROUGH MAGNETIC RESONANCE IMAGING (MRI) 审中-公开
    通过磁共振成像（MRI）量化物体的性质的方法和装置

    公开(公告)号：US20160131729A1

    公开(公告)日：2016-05-12

    申请号：US14938123

    申请日：2015-11-11

    Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

    Inventor： Lae-hoon KANG ,  Dong-hyun KIM ,  Min-oh KIM ,  Dong-yeob HAN ,  Do-sik HWANG ,  Yong-sup PARK ,  Jong-buhm PARK ,  Jae-sung LEE

    IPC: G01R33/56 ,  G01R33/50

    CPC classification number: G01R33/50 ,  G01R33/4824 ,  G01R33/4828 ,  G01R33/5611

    Abstract: Provided are a method and apparatus for processing a magnetic resonance (MR) image of an object including first and second materials on a magnetic resonance imaging (MRI) apparatus by using multi-parameter mapping including applying to the object a plurality of radio frequency (RF) pulses separated by a first repetition time and a second repetition time, the first repetition time and the second repetition time being determined based on the first material and the second material; undersampling first MR signals corresponding to the first material and second MR signals corresponding to the second material in a K-space; and performing matching between the undersampled first and the undersampled second MR signals and a signal model for the multi-parameter mapping to determine attribute values corresponding to the first and the second materials at at least one point in an MR image of the object.

    Abstract translation: 提供了一种用于通过使用多参数映射来处理包括磁共振成像（MRI）装置上的第一和第二材料的物体的磁共振（MR）图像的方法和装置，包括向对象施加多个射频（RF ）脉冲，其由第一重复时间和第二重复时间分离，所述第一重复时间和所述第二重复时间基于所述第一材料和所述第二材料确定; 在K空间中对与第一材料相对应的第一MR信号和对应于第二材料的第二MR信号进行欠采样; 以及执行所述欠采样的第一和所述欠采样的第二MR信号之间的匹配以及用于所述多参数映射的信号模型，以在所述对象的MR图像中的至少一个点处确定对应于所述第一和第二材料的属性值。

    MAGNETIC RESONANCE IMAGING APPARATUS AND METHOD FOR OPERATING THE SAME
    2.
    发明申请
    MAGNETIC RESONANCE IMAGING APPARATUS AND METHOD FOR OPERATING THE SAME 有权
    磁共振成像装置及其操作方法

    公开(公告)号：US20150212176A1

    公开(公告)日：2015-07-30

    申请号：US14538163

    申请日：2014-11-11

    Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

    Inventor： Young-yoon LEE ,  Do-sik HWANG ,  Tae-joon EO ,  Jin-seong JANG ,  Hae-kyung JUNG ,  Dong-hyun KIM ,  Min-oh KIM ,  Na-rae CHOI ,  Dong-yeob HAN

    IPC: G01R33/48

    CPC classification number: G01R33/5619 ,  G01R33/56308

    Abstract: Provided is a magnetic resonance imaging (MRI) apparatus. The MRI apparatus includes: a data acquisition unit configured to acquire a first k-space including a first missing line by undersampling an MR signal received from an object at a first time point, acquire a second k-space including a first acquired line corresponding to the first missing line by undersampling an MR signal received from the object at a second time point, and acquire a third k-space including a second acquired line corresponding to the first missing line by undersampling an MR signal received from the object at a third time point; and an image processor configured to interpolate data in the first missing line based on data in the first and second acquired lines.

    Abstract translation: 提供了一种磁共振成像（MRI）装置。 MRI装置包括：数据获取单元，被配置为通过在第一时间点对从对象接收的MR信号进行欠采样来获取包括第一缺失线的第一k空间，获取第二k空间，其包括对应于 通过在第二时间点对从对象接收的MR信号进行欠采样，并且通过在第三时间对从对象接收到的MR信号进行欠采样来获取包括与第一缺失线对应的第二获取行的第三k空间的第一缺失行 点; 以及图像处理器，被配置为基于所述第一和第二获取行中的数据来内插所述第一缺失行中的数据。

    METHOD AND APPARATUS FOR OBTAINING MAIN MAGNETIC FIELD INFORMATION AND RADIO PULSE RELATED INFORMATION IN A MAGNETIC RESONANCE IMAGING SYSTEM WITH DIFFERENT FLIP ANGLES
    3.
    发明申请
    METHOD AND APPARATUS FOR OBTAINING MAIN MAGNETIC FIELD INFORMATION AND RADIO PULSE RELATED INFORMATION IN A MAGNETIC RESONANCE IMAGING SYSTEM WITH DIFFERENT FLIP ANGLES 有权
    在具有不同翻转角的磁共振成像系统中获得主磁场信息和无线电脉冲相关信息的方法和装置

    公开(公告)号：US20140232394A1

    公开(公告)日：2014-08-21

    申请号：US13943032

    申请日：2013-07-16

    Applicant: Industry-Academic Cooperation Foundation, Yonsei University ,  Samsung Electronics Co., Ltd.

    Inventor： Dong-hyun KIM ,  Joon-sung LEE ,  Na-rae CHOI ,  Min-oh KIM

    IPC: G01R33/44

    CPC classification number: G01R33/5616 ,  G01R33/243 ,  G01R33/246

    Abstract: A method obtains main magnetic field information and radio frequency (RF) pulse related information in a magnetic resonance imaging (MRI) system, in which a pulse having a first flip angle and a pulse having a second flip angle are transmitted to a target object at predetermined time intervals. The method includes: obtaining at least one first response signal with respect to the pulse, having the first flip angle, from the target object; obtaining at least one second response signal, with respect to the pulse having the second flip angle, from the target object; and combining the at least one first response signal and the at least one second response signal to obtain the main magnetic field information and the RF pulse related information.

    Abstract translation: 一种方法在磁共振成像（MRI）系统中获得主磁场信息和射频（RF）脉冲相关信息，其中具有第一翻转角的脉冲和具有第二翻转角的脉冲被发送到目标对象 预定的时间间隔。 该方法包括：从目标物体获得相对于具有第一翻转角的脉冲的至少一个第一响应信号; 从目标物体获得关于具有第二翻转角的脉冲的至少一个第二响应信号; 以及组合所述至少一个第一响应信号和所述至少一个第二响应信号以获得所述主磁场信息和所述RF脉冲相关信息。

    MAGNETIC RESONANCE IMAGE DISPLAY DEVICE AND MAGNETIC RESONANCE IMAGE DISPLAY METHOD
    5.
    发明申请
    MAGNETIC RESONANCE IMAGE DISPLAY DEVICE AND MAGNETIC RESONANCE IMAGE DISPLAY METHOD 审中-公开

    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

    IPC: A61B5/055 ,  G01R33/54

    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.

    MAGNETIC RESONANCE IMAGING APPARATUS AND OPERATING METHOD FOR THE SAME
    6.
    发明申请
    MAGNETIC RESONANCE IMAGING APPARATUS AND OPERATING METHOD FOR THE SAME 有权
    磁共振成像装置及其操作方法

    公开(公告)号：US20150130461A1

    公开(公告)日：2015-05-14

    申请号：US14538217

    申请日：2014-11-11

    Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

    Inventor： Young-woon LEE ,  Jin-seong JANG ,  Do-sik HWANG ,  Tae-joon EO ,  Hae-kyung JUNG ,  Dong-hyun KIM ,  Min-oh KIM ,  Na-rae CHOI ,  Dong-yeob HAN

    IPC: G01R33/565 ,  G01R33/28 ,  G01R33/54 ,  G01R33/385 ,  G01R33/34

    CPC classification number: G01R33/5619

    Abstract: Provided is a magnetic resonance imaging (MRI) apparatus. The MRI apparatus includes: a storage configured to store a plurality of MR signal data sets generated by applying a plurality of values of a first MR parameter and a plurality of values of a second MR parameter to an MR signal data generation model; a data acquisition unit configured to acquire an MR signal data set for a specific position of an object by undersampling an MR signal, based on the values of the first MR parameter; and an image processor configured to extract an MR signal data set that matches the MR signal data set acquired by undersampling the MR signal (hereinafter referred to as the ‘undersampled MR signal data set’) from among the stored MR signal data sets, obtain a value of the second MR parameter for the undersampled MR signal data set based on the extracted MR signal data set, and interpolate unsampled MR signal data in the undersampled MR signal data set (hereinafter, referred to as the ‘interpolated MR signal data set’) by using the value of the second MR parameter.

    Abstract translation: 提供了一种磁共振成像（MRI）装置。 MRI装置包括：存储器，被配置为存储通过将多个第一MR参数值和第二MR参数的值应用到MR信号数据生成模型而生成的多个MR信号数据集; 数据获取单元，被配置为基于所述第一MR参数的值，通过对MR信号进行欠采样来获取对于所述对象的特定位置的MR信号数据集; 以及图像处理器，被配置为从存储的MR信号数据集中提取与通过对MR信号进行欠采样获得的MR信号数据集（以下称为“欠采样MR信号数据集”）相提取的MR信号数据集， 基于所提取的MR信号数据集，针对欠采样的MR信号数据集的第二MR参数的值，并且内插未采样的MR信号数据组（以下称为“内插的MR信号数据集”）中的未采样的MR信号数据， 通过使用第二MR参数的值。

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