MULTIPLE SHOT MAGNETIC RESONANCE IMAGING WITH GHOSTING STABILITY CORRECTION
    72.
    发明公开
    MULTIPLE SHOT MAGNETIC RESONANCE IMAGING WITH GHOSTING STABILITY CORRECTION 审中-公开
    带幻象图像校正稳定性更多的拍摄磁成像

    公开(公告)号:EP2883071A2

    公开(公告)日:2015-06-17

    申请号:EP13774799.4

    申请日:2013-07-29

    IPC分类号: G01R33/565 G01R33/48

    摘要: An image dataset comprises multiple shots of imaging data acquired using a magnetic resonance imaging (MRI) scanner (10). The signal power of each shot of the image dataset is normalized (24) to a reference signal power to generate a power normalized shot representation having total signal power matching the reference signal power. A reconstructed image is generated (26) from the power normalized shot representations. Odd/even phase correction (22) may also be performed on the image dataset. The phase correction, normalizing, and generating operations are suitably performed by an electronic data processing device (20).

    MAGNETIC RESONANCE IMAGING METHOD WITH ACCELERATED DATA ACQUISITION
    77.
    发明授权
    MAGNETIC RESONANCE IMAGING METHOD WITH ACCELERATED DATA ACQUISITION 有权
    用加速数据采集方法磁共振成像

    公开(公告)号:EP1506420B1

    公开(公告)日:2010-09-22

    申请号:EP03720815.4

    申请日:2003-05-08

    IPC分类号: G01R33/561

    CPC分类号: G01R33/5611 G01R33/56308

    摘要: A method of dynamic magnetic resonance imaging comprising acquiring undersampled magnetic resonance signels for successive temporal time slots. In a space spanned by geometrical space and temporal frequency and on the basic of a priori information the aliased difference magnetic resonance data which are gained by subtracting for respective k-space sampling positions data of a baseline magnetic resonance image from the undersampled magnetic resonance signals are decomposed into difference data which essentially pertain to individual spatial positions at individual time slots.

    Temporal shift correction in diagnostic imaging
    79.
    发明公开
    Temporal shift correction in diagnostic imaging 审中-公开
    Zeitkorrektur in der diagnischen Bildgebung

    公开(公告)号:EP2110681A1

    公开(公告)日:2009-10-21

    申请号:EP08154469.4

    申请日:2008-04-14

    IPC分类号: G01R33/48 G01R33/565

    摘要: A method for use in magnetic resonance imaging, or other imaging modality, wherein dynamic data is acquired in which the signal intensity of each pixel has a repetitive nature or in which (a subset of) the pixels have a common line shape. The common line shape of a data set comprising a plurality of signal intensity time curves is estimated by performing principal component analysis (PCA) in respect of the data set using a singular value decomposition (SVD) algorithm, wherein the first principal component is representative of the common line shape. Then, a time shift value is obtained using the common line shape and one or more of its derivatives and linear regression and applied to the respective signal intensity time curves to correct for random temporal shift in the repetitive elements.

    摘要翻译: 一种用于磁共振成像或其他成像模态的方法,其中获取动态数据,其中每个像素的信号强度具有重复性质,或者像素的(子集)具有共同的线形状。 通过使用奇异值分解(SVD)算法对数据集执行主成分分析(PCA)来估计包括多个信号强度时间曲线的数据集的公共线形状,其中第一主成分代表 共同的线条形状。 然后,使用公共线形状及其一个或多个导数和线性回归获得时移值,并应用于各个信号强度时间曲线以校正重复元件中的随机时间偏移。

    SYSTEM FOR MANIPULATION OF A BODY OF FLUID
    80.
    发明授权
    SYSTEM FOR MANIPULATION OF A BODY OF FLUID 有权
    系统ZUR HANDHABUNG EINER FLUIDMENGE

    公开(公告)号:EP1687531B1

    公开(公告)日:2009-06-17

    申请号:EP04799095.7

    申请日:2004-11-09

    IPC分类号: F04B19/00 B01L3/00

    摘要: A system for manipulation of a body of fluid, in particular a fluid droplet comprises severalcontrol electrodes to which an adjustable voltage is applied to control displacement of the droplet on the basis of the electrowetting effect. There is a counter electrode having a fixed voltage between the body of fluid and one of the control electrodes. Further, as the counter electrode and the control electrodes are located at the same side of the fluid droplet, the fluid droplet is freely accessible at its side remote from the counter electrode and the control electrodes. Hence, the fluid droplet can be employed as an object carrier and a pay-load can be placed on the droplet from the freely accessible side.

    摘要翻译: 用于操纵流体体系,特别是流体液滴的系统包括几个控制电极,其上施加可调节的电压以根据电润湿效应控制液滴的位移。 在液体和其中一个控制电极之间存在具有固定电压的对电极。 此外,当对电极和控制电极位于流体液滴的同一侧时,流体液滴在远离对电极和控制电极的一侧可以自由地接近。 因此,流体液滴可以用作物体载体,并且付费负载可以从可自由接近的一侧放置在液滴上。