公开(公告)号：EP3084462A1

公开(公告)日：2016-10-26

申请号：EP14820863.0

申请日：2014-12-20

申请人： Koninklijke Philips N.V.

发明人： VAN DEN BRINK, Johan Samuel ,  BECK, Gabriele Marianne

IPC分类号： G01R33/567 ,  G01R33/48 ,  G01R33/565

CPC分类号： G01R33/5676 ,  G01R33/283 ,  G01R33/4818 ,  G01R33/4826 ,  G01R33/56509

摘要： The present invention provides a method for magnetic resonance (MR) imaging of an area (144) of a subject of interest (120), comprising the steps of issuing a breath-hold command to the subject of interest (120), performing motion detection of the subject of interest (120) to detect a breath-hold condition in the area (144) of the subject of interest (120), upon detection of the breath-hold condition in the area (144) of the subject of interest (120), performing k-space (154) sampling of the area (144) of the subject of interest (120) with a given resolution, processing the k-space (154) samples covering the area (144) of the subject of interest (120) to obtain a MR image of the area (144) of the subject of interest (120). The present invention also provides a MR imaging system (110) for providing an image representation of an area (144) of a subject of interest (120) positioned in an examination space (116) of the MR imaging system (110), wherein the MR imaging system (110) is adapted to perform the method for magnetic resonance imaging according to the above method.

公开(公告)号：EP3084461A2

公开(公告)日：2016-10-26

申请号：EP14835673.6

申请日：2014-12-10

申请人： Koninklijke Philips N.V.

发明人： BERKER, Yannick ,  DWIVEDI, Shekhar ,  SCHULZ, Volkmar ,  SHAO, Lingxiong

IPC分类号： G01R33/48 ,  G01R33/56 ,  G01T1/16 ,  G06T7/00 ,  A61B5/055 ,  A61B6/00

CPC分类号： G01R33/56509 ,  A61B5/0035 ,  A61B5/055 ,  G01R33/481 ,  G01R33/4816 ,  G01R33/4835 ,  G01R33/50 ,  G01R33/5608 ,  G01T1/1603 ,  G01T1/1647 ,  G06T7/11 ,  G06T7/136 ,  G06T2207/10088 ,  G06T2207/20132 ,  G06T2207/30061

摘要： A lung segmentation processor (40) is configured to classify magnetic resonance (MR) images based on noise characteristics. The MR segmenatation processor generates a lung region of interest (ROI) and detailed structure segmentation of the lung from the ROI. The MR segmentation processor performs an iterative normalization and region definition approach that captures the entire lung and the soft tissues within the lung accurately. Accuracy of the segmentation relies on artifact classification coming inherently from MR images. The MR segmentation processor (40) correlates segmented lung internal tissue pixels with the lung density to determine the attenuation coefficients based on the correlation. Lung densities are computed using MR data obtained from imaging sequences that minimize echo and acquisition times. The densities differentiate healthy tissues and lesions, which an attenuation map processor (36) uses to create localized attenuation maps for the lung.

摘要翻译： 肺分割处理器（40）被配置为基于噪声特性对磁共振（MR）图像进行分类。 MR分割处理器从ROI生成肺部感兴趣区域（ROI）和肺部的详细结构分割。 MR分割处理器执行迭代归一化和区域定义方法，准确地捕获肺内整个肺和软组织。 分割的准确性依赖于来自MR图像的固有的伪像分类。 MR分割处理器（40）将分段的肺内部组织像素与肺密度相关联，以基于相关性来确定衰减系数。 使用从使回波和采集时间最小化的成像序列获得的MR数据计算肺密度。 密度区分健康组织和病变，衰减图处理器（36）用于为肺创建局部衰减图。

公开(公告)号：EP3078980A1

公开(公告)日：2016-10-12

申请号：EP15162610.8

申请日：2015-04-07

申请人： Siemens Healthcare GmbH

发明人： Bhat, Himanshu ,  Kober, Tobias ,  Feiweier, Thorsten ,  Prinz, Carsten ,  Splitthoff, Daniel Nico ,  Stöcker, Stephan

IPC分类号： G01R33/565

CPC分类号： G06T7/0018 ,  G01R33/56509 ,  G01R33/56563 ,  G06T7/0012 ,  G06T7/20 ,  G06T7/80 ,  G06T2207/10088 ,  H04N5/23203 ,  H04N5/23216 ,  H04N5/357

摘要： The present invention discloses essentially a method for automatically and dynamically optimizing image acquisition parameters/commands of an imaging procedure performed by a medical imaging apparatus in order to mitigate or cancel dynamic effects perturbing the image acquisition process of an object to be imaged by said medical imaging apparatus, the method comprising:
a. connecting a Dynamic Correction Module (hereafter DCM) to the medical imaging apparatus;
b. automatically acquiring by the DCM image acquisition parameters/commands and data about dynamic changes or effects;
c. automatically determining in real time, by means of the DCM, at least one new image acquisition parameter/command from the image acquisition parameters/commands defined in the imaging control system and the dynamic change data, while the image acquisition parameter/command defined in the imaging control system remains unchanged;
d. automatically providing, by means of the DCM, the new image acquisition parameter/command to the hardware control system.

摘要翻译： 本发明基本上公开了一种用于自动和动态地优化由医学成像设备执行的成像过程的图像采集参数/命令的方法，以便减轻或消除扰乱通过所述医学成像成像的对象的图像获取过程的动态效果 装置，该方法包括：a。 将动态校正模块（以下称为DCM）连接到医学成像设备; 湾 通过DCM图像采集参数/命令和关于动态变化或效果的数据自动获取; C。 通过DCM自动确定来自成像控制系统中定义的图像采集参数/命令的动态变化数据的至少一个新的图像采集参数/命令，同时在 成像控制系统保持不变; 天。 通过DCM将新的图像采集参数/命令自动提供给硬件控制系统。

公开(公告)号：EP2721997B1

公开(公告)日：2016-09-14

申请号：EP13174675.2

申请日：2013-07-02

申请人： Samsung Electronics Co., Ltd

发明人： Oh, Keum-yong ,  Lee, Jun-ki ,  Kim, Se-tae

IPC分类号： A61B5/00 ,  A61B5/055 ,  G01R33/565 ,  G01R33/56

CPC分类号： G01R33/56509 ,  A61B5/055 ,  A61B5/11 ,  A61B5/1128 ,  A61B5/7207 ,  A61B5/721 ,  A61B5/7221 ,  A61B5/743 ,  G01R33/543 ,  G01R33/546

摘要： An MRI method includes detecting movement of an object while a protocol is executed to capture an image of a region of the object, and outputting information indicating occurrence of the movement, based on a value of a movement amount.

公开(公告)号：EP3045929A1

公开(公告)日：2016-07-20

申请号：EP15199836.6

申请日：2015-12-14

申请人： Siemens Healthcare GmbH

发明人： Nisznansky, Martin ,  Rehner, Robert ,  Vester, Markus

IPC分类号： G01R33/28 ,  G01R33/563 ,  G01R33/34 ,  G01R33/36 ,  G01R33/565

CPC分类号： G01R33/5673 ,  G01R33/28 ,  G01R33/34 ,  G01R33/3692 ,  G01R33/563 ,  G01R33/56509

摘要： Die Erfindung betrifft Verfahren und einen Bewegungssensor (AS) zur Detektion von Bewegungen (AB) eines Patienten (105) in einem bildgebenden medizinischen System, insbesondere in einem Magnetresonanztomographiesystem (101),
dadurch gekennzeichnet, dass er (AS) mindestens einen HF-Resonator (HF-Res) zum Senden eines von einer HF-Signal-Quelle (HF-Si-Srs) in ihn eingespeisten (CPL-in) HF-Signals (HF-Si) und zum Empfang (CPL-out, HF-Filt, HF-Dtect) eines Antwort-Signals (HF-Ressi) aufweist, und dass er (AS) eine Detektionseinrichtung (HF-Filt, HF-Detect) zur Detektion von Bewegungen (AB) des Patienten (105) aufweist.

摘要翻译： 本发明涉及一种方法和用于检测在一个医学成像系统中的患者（105）的运动（AB）的运动传感器（AS），尤其是在磁共振成像系统（101），其特征在于它（AS）（至少一个RF谐振器 HF-RES）喂养（在它（CPL-中（从RF信号源HF-Si系SRS））的HF信号HF-Si）和发送（用于接收CPL输出，RF Filt员工，HF -Dtect）包括响应信号（夫·雷西），和在于它包括（AS），检测装置（RF Filt员工，RF检测）（用于患者（105）的检测动作的AB）。

公开(公告)号：EP2713868B1

公开(公告)日：2016-07-13

申请号：EP12727436.3

申请日：2012-05-16

申请人： Koninklijke Philips N.V.

发明人： LIN, Wei ,  SAYLOR, Charles Albert ,  REYKOWSKI, Arne

IPC分类号： A61B5/055 ,  A61B5/11 ,  G01R33/565

CPC分类号： G01R33/56509 ,  A61B5/055 ,  A61B5/1127 ,  A61B2017/00694 ,  A61B2090/3954 ,  G01R33/58

公开(公告)号：EP2950714A1

公开(公告)日：2015-12-09

申请号：EP14745503.4

申请日：2014-01-29

申请人： Kineticor, Inc. ,  The University of Hawaii ,  The Queen's Medical Center

发明人： YU, Jeffrey N. ,  ERNST, Thomas Michael

IPC分类号： A61B5/055 ,  A61B6/00

CPC分类号： A61B6/527 ,  A61B5/055 ,  A61B5/721 ,  A61B6/032 ,  A61B6/037 ,  A61B6/0492 ,  G01R33/283 ,  G01R33/5608 ,  G01R33/56509 ,  G06F19/00 ,  G06T7/0012 ,  G06T7/207 ,  G06T7/73 ,  G06T2200/04 ,  G06T2207/10072 ,  G06T2207/30004 ,  G06T2211/428

摘要： The disclosure herein provides methods, systems, and devices for tracking motion of a patient or object of interest during biomedical imaging and for compensating for that motion in the biomedical imaging scanner and/or the resulting images to reduce or eliminate motion artifacts. In an embodiment, a motion tracking system is configured to overlay tracking data over biomedical imaging data in order to display the tracking data along with its associated image data. In an embodiment, a motion tracking system is configured to overlay tracking data over biomedical imaging data in order to display the tracking data along with its associated image data. In an embodiment, one or more detectors are configured to detect images of a patient, and a detector processing interface is configured to analyze the images to estimate motion or movement of the patient and to generate tracking data describing the patient's motion. The detector processing interface is configured to send the tracking data to a scanner controller to enable adjustment of scanning parameters in real-time in response to the patient's motion.

摘要翻译： 本文的公开内容提供用于在生物医学成像期间跟踪患者或感兴趣对象的运动并用于补偿生物医学成像扫描仪中的该运动和/或所得到的图像以减少或消除运动伪影的方法，系统和装置。 在一个实施例中，运动跟踪系统被配置为在生物医学成像数据上覆盖跟踪数据，以便显示跟踪数据及其相关联的图像数据。 在一个实施例中，运动跟踪系统被配置为在生物医学成像数据上覆盖跟踪数据，以便显示跟踪数据及其相关联的图像数据。 在一个实施例中，一个或多个检测器被配置为检测患者的图像，并且检测器处理界面被配置为分析图像以估计患者的运动或移动并产生描述患者运动的跟踪数据。 检测器处理接口被配置为将跟踪数据发送到扫描仪控制器，以便能够响应于患者的运动实时地调整扫描参数。

公开(公告)号：EP2929361A2

公开(公告)日：2015-10-14

申请号：EP13818801.6

申请日：2013-10-21

申请人： Koninklijke Philips N.V.

发明人： HUANG, Feng ,  REYKOWSKI, Arne

IPC分类号： G01R33/561 ,  G01R33/565

CPC分类号： G06T11/008 ,  G01R33/5611 ,  G01R33/56509 ,  G06T2207/10004 ,  G06T2207/10088

摘要： A medical imaging system (34)includes a memory (45)and one or more processors (60). The memory (45)stores magnetic resonance k-space data (4)and the magnetic resonance data includes non-rigid motion defects. The one or more processors (60) are configured to reconstruct (6)a first image (8)from the magnetic resonance data (4)which includes a high signal to noise ratio and motion artifacts. The one or more processors are further configured to detect and reject (10)portions of k-space (4)which include non-rigid motion defects, and reconstruct (4)a second image (16)from non-rejected portions of k- space (12)and the first image (8).

摘要翻译： 医疗成像系统（34）包括存储器（45）和一个或多个处理器（60）。 存储器（45）存储磁共振k空间数据（4），磁共振数据包括非刚性运动缺陷。 一个或多个处理器（60）被配置为从包括高信噪比和运动伪影的磁共振数据（4）重构（6）第一图像（8）。 一个或多个处理器还被配置为检测和拒绝（10）包括非刚性运动缺陷的k空间（4）的部分，并且从k-空间的未被拒绝部分重构（4）第二图像（16） 空间（12）和第一图像（8）。

公开(公告)号：EP2870488A2

公开(公告)日：2015-05-13

申请号：EP13763116.4

申请日：2013-06-28

申请人： Koninklijke Philips N.V. ,  Philips GmbH

发明人： SENEGAS, Julien ,  KOKEN, Peter ,  VIK, Torbjørn

IPC分类号： G01R33/54 ,  G01R33/565 ,  A61B5/055

CPC分类号： A61B5/0037 ,  A61B5/055 ,  A61B5/7246 ,  A61B5/742 ,  A61B2576/00 ,  G01R33/543 ,  G01R33/56509

摘要： A magnetic resonance (MR) system (10) and method (100) maintains geometric alignment of diagnostic scans during an examination of a patient (12). At least one processor (40)is programmed to, in response to repositioning of the patient (12)during the examination, perform an updated survey scan of the patient (12). A scan completed during the examination is selected as a template scan. A transformation map between the template scan and the updated survey scan is determined using a registration algorithm, and the transformation map is applied to a scan geometry of a remaining diagnostic scan of the examination. A scan plan for the remaining diagnostic scan is generated using the updated scan geometry. The remaining diagnostic scan is performed according to the scan plan.

公开(公告)号：EP2858559A1

公开(公告)日：2015-04-15

申请号：EP13809232.5

申请日：2013-06-27

申请人： Duke University

发明人： CHEN, Nan-Kuei ,  SONG, Allen, W.

IPC分类号： A61B5/055

CPC分类号： G06T5/002 ,  A61B5/055 ,  G01R33/543 ,  G01R33/5611 ,  G01R33/5615 ,  G01R33/5616 ,  G01R33/56341 ,  G01R33/56509 ,  G06T5/001 ,  G06T7/0012 ,  G06T7/20 ,  H04N7/18

摘要： Diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI) using a new technique, termed multiplexed sensitivity encoding with inherent phase correction, is proposed and implemented to effectively and reliably provide high-resolution segmented DWI and DTI, where shot-to-shot phase variations are inherently corrected, with high quality and SNR yet without relying on reference and navigator echoes. The performance and consistency of the new technique in enabling high-quality DWI and DTI are confirmed experimentally in healthy adult volunteers on 3 Tesla MRI systems. This newly developed technique should be broadly applicable in neuroscience investigations of brain structure and function.

摘要翻译： 弥散加权成像（DWI），并使用一个新的技术扩散张量成像（DTI），称为具有固有相位校正多路复用灵敏度编码，提出并实现以有效地和可靠地提供高分辨率分段DWI和DTI，其中拍摄到拍摄 相位变化固有地校正，以高品质和SNR但不依赖于参考和导航回波。 性能和支持高品质的DWI和DTI新技术的一致性，在3特斯拉MRI系统健康成年志愿者实验证实。 这种新开发的技术shoulderstand广泛适用于大脑结构和功能的神经科学的研究。