专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明授权

US07903852B2 Automatic determination of parameters of an imaging geometry 有权
标题翻译：自动确定成像几何参数
公开(公告)号：US07903852B2
公开(公告)日：2011-03-08
申请号：US11572710
申请日：2005-07-19
申请人： Rudolf Springorum , Kirsten Meetz , Frederik Visser , Daniel Bystrov
发明人： Rudolf Springorum , Kirsten Meetz , Frederik Visser , Daniel Bystrov
IPC分类号： G06K9/00
CPC分类号： G06T7/68 , G06T7/80 , G06T2207/30004
摘要： The apparatus comprises an input for receiving a suitable source image data of an object. The core of the apparatus is formed by a control unit 4 arranged to load image data from the input and determine a spatial position and orientation of a portion of the object and to automatically calculate actual parameters of the imaging geometry based on said position and orientation and using default parameters if the imaging geometry, selected by the control unit in accordance with the portion of the object. The apparatus according to the invention comprises a recognition module arranged to determine a spatial position and orientation of the portion of the object with respect to a coordinate system of an imaging apparatus conceived to use the actual parameters of the imaging geometry provided by the apparatus.
摘要翻译：该装置包括用于接收对象的合适的源图像数据的输入。该装置的核心由控制单元4形成，该控制单元4布置成从输入装载图像数据，并且确定对象的一部分的空间位置和方向，并且基于所述位置和方向自动计算成像几何的实际参数;以及使用默认参数，如果成像几何，由控制单元根据对象的部分选择。根据本发明的装置包括识别模块，该识别模块被布置成确定物体的该部分相对于使用由该装置提供的成像几何的实际参数构思的成像装置的坐标系的空间位置和取向。

22. 发明申请

US20100316279A1 SCANNING METHOD AND SYSTEM 有权
标题翻译：扫描方法与系统
公开(公告)号：US20100316279A1
公开(公告)日：2010-12-16
申请号：US12809080
申请日：2008-12-26
申请人： Kirsten Meetz , Ingwer Curt Carlsen
发明人： Kirsten Meetz , Ingwer Curt Carlsen
IPC分类号： G06K9/00
CPC分类号： A61B6/504 , A61B6/501
摘要： To improve the scanning effect, a scanning method is provided, which comprises the steps of performing at least one of an nCT scan and a CTA scan on an object so as to obtain a set of images; detecting characteristics of a region of interest based on the set of images; and performing a CTP scan on the region of interest by adopting the characteristics to obtain a CTP image. By deriving the characteristics of the region of interest, e.g. a lesion or an area covering the lesion, before performing the CTP scan, and by adapting the subsequent CTP scan based on the characteristics of the region of interest, the drawback introduced by a limited scan area of the CTP scanner is mitigated, or even overcome.
摘要翻译：为了提高扫描效果，提供了扫描方法，其包括以下步骤：对物体执行nCT扫描和CTA扫描中的至少一个以获得一组图像; 基于所述图像集来检测感兴趣区域的特征; 并通过采用特征来获得CTP图像来对感兴趣区域进行CTP扫描。通过导出感兴趣区域的特征，例如，病变或覆盖病变的区域，在执行CTP扫描之前，并且通过基于感兴趣区域的特征适应随后的CTP扫描，减轻CTP扫描器的有限扫描区域引入的缺点，甚至克服。

23. 发明申请

US20100183211A1 DETECTING HAEMORRHAGIC STROKE IN CT IMAGE DATA 有权
标题翻译：检测CT图像数据中的血流动力学
公开(公告)号：US20100183211A1
公开(公告)日：2010-07-22
申请号：US12665422
申请日：2008-06-17
申请人： Kirsten Meetz , Thomas Buelow , Stewart Young
发明人： Kirsten Meetz , Thomas Buelow , Stewart Young
IPC分类号： G06K9/00
CPC分类号： G06T7/0012 , A61B6/032 , A61B6/12 , A61B6/501 , A61B2576/026 , G06T7/44 , G06T2207/10081 , G06T2207/20156 , G06T2207/30016 , G06T2207/30096 , G06T2210/41
摘要： The invention relates to a system (100) arranged to delineate the acute intracerebral haematoma in non-contrasted CT images in two stages. The first stage, performed by the extraction unit (110), employs an analysis of gray values of the image data in order to extract the candidate region. The candidate region may comprise both an acute haematoma and other regions having similar gray values, e.g., regions resulting from partial volume effects at the interface of the bony structures of the skull and the brain. The novel second stage, performed by the classification unit (120), analyzes spatial features of the candidate region such as, for example, the size, shape, and connectedness to the skull bone of the candidate region. Using spatial features of the candidate region improves the correctness of classification of the candidate region as a true or false acute haematoma.
摘要翻译：本发明涉及一种系统（100），其被布置成在两个阶段中描绘非对照CT图像中的急性脑内血肿。由提取单元（110）执行的第一阶段对图像数据的灰度值进行分析，以提取候选区域。候选区域可以包括急性血肿和具有相似灰度值的其它区域，例如由头骨和脑的骨骼结构的界面处的部分体积效应产生的区域。由分类单元（120）执行的新颖的第二阶段分析候选区域的空间特征，例如与候选区域的颅骨的尺寸，形状和连接性。使用候选区域的空间特征将候选区域的分类的正确性提高为真的或假的急性血肿。

24. 发明授权

US08934697B2 Image processing apparatus 有权
标题翻译：图像处理装置
公开(公告)号：US08934697B2
公开(公告)日：2015-01-13
申请号：US13988770
申请日：2011-11-22
申请人： Rafael Wiemker , Thomas Buelow , Martin Bergtholdt , Kirsten Meetz , Ingwer-Curt Carlsen
发明人： Rafael Wiemker , Thomas Buelow , Martin Bergtholdt , Kirsten Meetz , Ingwer-Curt Carlsen
IPC分类号： G06K9/00 , G06K9/32 , G06T11/60 , G06T11/00
CPC分类号： G06T11/60 , G06T11/00
摘要： Image processing apparatus (100) for creating an overlaid presentation of a first input image (101) and a second input image (102) in an output image (108), the first input image comprising input values, the output image comprising vectors of output values, the vectors of output values representing colors of the output image, and the apparatus comprising an input (110) for obtaining the first input put image and the second input image, a rendering unit (140) configured for rendering the first input image in the output image by using a first mapping function for representing the input values in the vectors of output values, a predictor (120) configured for predicting the second input image from the first input image for obtaining a predicted second input image (104), a residual calculator (130) configured for calculating a residual image (106) from the second input image and the predicted second input image, the residual image comprising residual values representing prediction errors of the predicted second input image, and the rendering unit being further configured for rendering the residual image in the output image by using a second mapping function for representing the residual values in the vectors of output values, the second mapping function being different from the first mapping function for distinguishing the residual image from the first input image.
摘要翻译：用于在输出图像（108）中创建第一输入图像（101）和第二输入图像（102）的叠加呈现的图像处理装置（100），所述第一输入图像包括输入值，所述输出图像包括输出矢量值，表示输出图像的颜色的输出值的矢量，以及包括用于获得第一输入放映图像和第二输入图像的输入（110）的装置，被配置为将第一输入图像呈现在通过使用用于表示输出值的向量中的输入值的第一映射函数的输出图像，配置用于从第一输入图像预测第二输入图像以获得预测的第二输入图像的预测器（120），剩余计算器（130），被配置为从所述第二输入图像和所述预测的第二输入图像计算残差图像（106），所述残差图像包括表示预测误差的残差值所述预测的第二输入图像和所述绘制单元还被配置为通过使用用于表示所述输出值的向量中的残差的第二映射函数来呈现所述输出图像中的残差图像，所述第二映射函数不同于所述第一映射用于区分残差图像与第一输入图像的功能。

25. 发明授权

US08145012B2 Device and process for multimodal registration of images 有权
标题翻译：图像多模式注册的设备和过程
公开(公告)号：US08145012B2
公开(公告)日：2012-03-27
申请号：US10598005
申请日：2005-02-04
申请人： Kirsten Meetz , Heinrich Schulz , Jens Berg , Joerg Sabczynski
发明人： Kirsten Meetz , Heinrich Schulz , Jens Berg , Joerg Sabczynski
IPC分类号： G06K9/32 , G06K9/00 , G06K9/40 , G06K9/20 , A61B5/05
CPC分类号： G06T3/4061 , G06T7/30 , G06T2207/10072 , G06T2207/10116 , G06T2207/10132 , G06T2207/30016 , Y10S128/922
摘要： The invention relates to a device and a process, with which images of different imaging methods can be registered, for example preoperatively obtained 3D X-ray images (A) and intra operatively obtained ultrasound images (B). First transformed images (A′,B′) are then generated in a data processing device (10), which are aligned to each other with regard to the peculiarities of each imaging method. Particularly from the three dimensional CT-image (A), can be generated a two dimensional image (A′) which adheres to the characteristic means of representation of an ultrasound system, while shaded areas behind bones and/or gas-filled volumes can be blended out. With a feature-based registration of the transformed images (A′, B′) errors are avoided, which are traced back to artifacts and peculiarities of the respective imaging methods.
摘要翻译：本发明涉及可以登记不同成像方法的图像的装置和方法，例如，术前获得的3D X射线图像（A）和经操作获得的超声图像（B）。然后，在数据处理装置（10）中生成第一变换图像（A'，B'），这些数据处理装置相对于每个成像方法的特性彼此对准。特别是从三维CT图像（A）可以产生一个二维图像（A'），它粘附在超声系统的表征的特征上，而在骨骼和/或充气体积之后的阴影区可以是混合了通过改变的图像（A'，B'）的基于特征的注册，避免了错误，这些错误被追溯到各个成像方法的伪影和特征。

26. 发明申请

US20120033869A1 PLAUSIBLE REFERENCE CURVES FOR DYNAMIC, CONTRAST-ENHANCED IMAGING STUDIES 有权
标题翻译：动态，对比增强成像研究的可参考曲线
公开(公告)号：US20120033869A1
公开(公告)日：2012-02-09
申请号：US13262836
申请日：2010-03-09
申请人： Ingwer C. Carlsen , Kirsten Meetz , Joerg Bredno , Mark Olszewski
发明人： Ingwer C. Carlsen , Kirsten Meetz , Joerg Bredno , Mark Olszewski
IPC分类号： G06K9/00
CPC分类号： G06T7/0016 , A61B6/507 , G01R33/5601 , G01R33/56366 , G06T2207/10081 , G06T2207/10088 , G06T2207/10104 , G06T2207/10108 , G06T2207/20108 , G06T2207/30016 , G06T2207/30104
摘要： A comprehensive strategy is used to determine valid reference time-concentration curves (TCCs) from image data. The image data corresponds to a series of image scans acquired over time for an area of interest of a patient to which a contrast agent was previously administered. The image scans are initially registered to a common coordinate system. Then, observed potential reference TCCs in the image scans are compared to modeled reference TCCs to determine if the potential reference TCCs are plausible reference TCCs. Thereafter, any plausible reference TCCs are evaluated to determine if they contain residual, isolated motion artifacts. If a plausible reference TCC does not include any motion artifacts, the plausible reference TCC is considered a valid reference TCC. If a plausible reference TCC is determined to include motion artifacts, the plausible reference TCC is modified to a valid reference TCC by removing the motion artifacts, or otherwise the plausible reference TCC is rejected. The valid reference TCCs can be used to improve the effectiveness of dynamic, contrast-enhanced imaging studies.
摘要翻译：综合策略用于从图像数据中确定有效的参考时间 - 浓度曲线（TCC）。图像数据对应于对于先前施用造影剂的患者的感兴趣区域随时间获取的一系列图像扫描。图像扫描最初被注册到公共坐标系。然后，将图像扫描中观察到的潜在参考TCC与建模的参考TCC进行比较，以确定潜在参考TCC是否是合理的参考TCC。此后，评估任何合理的参考TCC以确定它们是否包含残留的孤立运动伪像。如果合理的参考TCC不包括任何运动伪像，则合理的参考TCC被认为是有效的参考TCC。如果将合理的参考TCC确定为包括运动伪像，则将合理的参考TCC通过移除运动假象修改为有效参考TCC，否则可信参考TCC被拒绝。有效的参考TCC可用于提高动态，对比度增强成像研究的有效性。

27. 发明申请

US20080267509A1 Automatic Determination of Parameters of an Imaging Geometry 有权
公开(公告)号：US20080267509A1
公开(公告)日：2008-10-30
申请号：US11572710
申请日：2005-07-19
申请人： Rudolf Springorum , Kirsten Meetz , Frederik Visser , Daniel Bystrov
发明人： Rudolf Springorum , Kirsten Meetz , Frederik Visser , Daniel Bystrov
IPC分类号： G06K9/46
CPC分类号： G06T7/68 , G06T7/80 , G06T2207/30004
摘要： The apparatus (1) comprises an input (2) for receiving a suitable source image data of an object. The core of the apparatus (1) is formed by a control unit (4) which is arranged to load image data from the input (2) and determine a spatial position and orientation of a portion of the object and to automatically calculate actual parameters (4a) of the imaging geometry based on said position and orientation and using default parameters if the imaging geometry, selected by the control unit (4) in accordance with the portion of the object. The apparatus (1) further comprises a storage unit (8) arranged to store at least one set of default parameters of the imaging geometry, which may be representative of an imaging protocol. The working memory (6) typically holds the (parts of) image data being processed and the instructions for the suitable image processing means used for processing those parts of the image data. The apparatus (1) according to the invention comprises a recognition module (7) arranged to determine a spatial position and orientation of the portion of the object with respect to a coordinate system of an imaging apparatus conceived to use the actual parameters of the imaging geometry provided by the apparatus (1). When the position and orientation (7a) of the portion of the object with respect to the coordinate system of the data acquisition module is established, the control unit calculates actual parameters (4) of the imaging geometry based on a suitable matching between the spatial position and orientation (7a) of the portion of the object conceived to be imaged and the default parameters of the imaging geometry (3). Preferably, the apparatus (1) further comprises a suitably arranged user interface (5) for allowing an adjustment of automatically established actual parameters of the imaging geometry by a user Preferably, the output (9) comprises a result of the automatic planning of the imaging geometry, which may be directly converted into a suitable control signal for the data acquisition module and/or be made available in a suitable form for archiving purposes. The invention further relates to an imaging system, a method and a computer program for automatically generating scan parameters.

28. 发明申请

US20080246776A1 Motion Estimation and Compensation of Image Sequences 审中-公开
标题翻译：图像序列的运动估计和补偿
公开(公告)号：US20080246776A1
公开(公告)日：2008-10-09
申请号：US12089715
申请日：2006-10-16
申请人： Kirsten Meetz , Daniel Bystrov , Vladimir Pekar
发明人： Kirsten Meetz , Daniel Bystrov , Vladimir Pekar
IPC分类号： G09G5/00 , G06K9/00
CPC分类号： G06T3/4007 , G06T7/246
摘要： The invention relates to a method, a system and a computer program for dynamic imaging of a moving object. First, motion between the elements of common portions of images Im(t), Im+1(t) is computed. At step 1 motion compensation the said elements is performed, using a suitable transformation. Assuming that Im+1 is the image that has to be transformed, its motion from m to m+1 is compensated applying the inverse motion estimation Formula (I) resulting in the reformatted image Formula (II) at position m. At step 2 grey value interpolation is performed, based on image Im and the transformed image I′m+1 resulting in j interpolated images Formula (III) with o
摘要翻译：本发明涉及一种用于移动物体的动态成像的方法，系统和计算机程序。首先，计算图像I m（t），I m + 1（t）的公共部分的元素之间的运动。在步骤1中，使用合适的变换来执行所述元件的运动补偿。假设I 是必须变换的图像，则通过使用重新格式化的图像公式（II）的逆运动估计公式（I）来补偿其从m到m + 1的运动，在位置m。在步骤2，基于图像I＆gt;和变换图像I'＆lt; m + 1＆gt;执行灰度值内插，得到具有o

29. 发明申请

US20080069418A1 User Interface for Motion Analysis in Kinematic Mr Studies 有权
标题翻译：运动分析用户界面
公开(公告)号：US20080069418A1
公开(公告)日：2008-03-20
申请号：US11814406
申请日：2006-01-05
申请人： Daniel Bystrov , Vladimir Pekar , Kirsten Meetz , Thomas Netsch , Stewart Young
发明人： Daniel Bystrov , Vladimir Pekar , Kirsten Meetz , Thomas Netsch , Stewart Young
IPC分类号： G06K9/00
CPC分类号： G06T13/20 , G06T7/246 , G06T2207/10076 , G06T2207/10088 , G06T2207/30048
摘要： In a diagnostic imaging system (10), a user interface (82) facilitates viewing of 4D kinematic data sets. A set of reference points is selected in a first 3D image to designate an anatomical component. An algorithm (104) calculates a propagation of the selected reference points from the first 3D image into other 3D images. Transforms which describe the propagation of the reference points between 3D images are defined. An aligning algorithm (112) applies inverse of the transforms to the 3D images to define a series of frames for the video processor (120) to display, in which frames the designated anatomical component defined by the reference points in each of the 3D images remains fixed while the other portions of the anatomical region of interest move relative to the fixed designated anatomical component.
摘要翻译：在诊断成像系统（10）中，用户界面（82）便于观看4D运动数据集。在第一3D图像中选择一组参考点以指定解剖组件。算法（104）计算所选择的参考点从第一3D图像到其他3D图像的传播。定义描述3D图像之间参考点传播的变换。对准算法（112）将变换的逆向应用于3D图像以定义用于视频处理器（120）显示的一系列帧，其中由每个3D图像中的参考点定义的指定解剖组件保留固定，而感兴趣的解剖区域的其他部分相对于固定的指定解剖部件移动。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式