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    Material-selective adaptive blending of volumeiric image data
    1.
    发明授权
    Material-selective adaptive blending of volumeiric image data 有权

    公开(公告)号：US11361415B2

    公开(公告)日：2022-06-14

    申请号：US16753825

    申请日：2018-09-26

    Applicant: KONINKLIJKE PHILIPS N.V.

    Inventor： Sven Prevrhal ,  Manindranath Vembar

    IPC: G06T5/00 ,  G06T5/50 ,  A61B6/03

    Abstract: An imaging system (500) includes a data acquisition system (515) configured to produce projection data and at least one memory device with reconstruction algorithms (518) and at least one blending algorithm (524). The imaging system further includes a reconstructor (516) configured to reconstruct the projection data with the reconstruction algorithms and generate at least first spectral volumetric image data corresponding to a first basis material content and second spectral volumetric image data corresponding to a second basis material content, and blend the first spectral volumetric image data and the second spectral volumetric image data with the at least one blending algorithm to produce blended volumetric image data.

    Vascular tree standardization for biophysical simulation and/or an extension simulation for pruned portions
    2.
    发明授权
    Vascular tree standardization for biophysical simulation and/or an extension simulation for pruned portions 有权

    公开(公告)号：US11055845B2

    公开(公告)日：2021-07-06

    申请号：US16348282

    申请日：2017-11-16

    Applicant: KONINKLIJKE PHILIPS N.V.

    Inventor： Hannes Nickisch ,  Holger Schmitt ,  Sven Prevrhal ,  Mordechay Pinchas Freiman ,  Liran Goshen

    IPC: G06T7/00 ,  G06T7/162 ,  G06T7/11 ,  G16H30/40 ,  A61B6/03 ,  A61B6/00 ,  G16H50/50

    Abstract: A computing system (126) includes a computer readable storage medium (130) with computer executable instructions (128), including: a segmentation standardizer (120) configured to determine a standardized vascular tree from a segmented vascular tree segmented of volumetric image data and a predetermined set of pruning rules (206), and a biophysical simulator (122) configured to perform a biophysical simulation based on the standardized vascular tree. The computing system further includes a processor (124) configured to execute the segmentation standardizer to determine the standardized vascular tree from the segmented vascular tree segmented of volumetric image data and the predetermined set of pruning rules, and configured to execute the biophysical simulator to perform a biophysical simulation based on the standardized vascular tree. The computing system further includes a display configured to display at least one of the standardized vascular tree and a result of the biophysical simulation.

    Reconstruction apparatus for reconstructing a pet image
    4.
    发明授权
    Reconstruction apparatus for reconstructing a pet image 有权

    公开(公告)号：US09638812B2

    公开(公告)日：2017-05-02

    申请号：US15100648

    申请日：2014-11-24

    Applicant: KONINKLIJKE PHILIPS N.V.

    Inventor： Sven Prevrhal ,  Michael Grass ,  Eberhard Sebastian Hansis

    IPC: G01T1/164 ,  G01T1/29 ,  G01T1/161 ,  A61B6/03

    CPC classification number: G01T1/2985 ,  A61B6/037 ,  G01T1/161

    Abstract: A reconstruction apparatus (9) reconstructs a PET image. A first detector (3) generates first detection events and detection times assigned to the first detection events and a second detector (6) generates second detection events and detection times assigned to the second detection events. A timing window determination unit (11) provides a first-second timing window by providing a first-second upper threshold based on the position of the second detector relative to the first detector and a detection event pairs generation unit (12) generates first-second detection event pairs based on the provided first-second timing window. The first-second detection event pairs are used for reconstructing the PET image. The first-second timing window depends on the position of the second detector leads to an improved generation of first-second detection event pairs, which in turn can lead to an improved PET image.

    CLINICALLY DRIVEN IMAGE FUSION
    5.
    发明申请
    CLINICALLY DRIVEN IMAGE FUSION 有权
    临床驱动图像融合

    公开(公告)号：US20150003708A1

    公开(公告)日：2015-01-01

    申请号：US14375176

    申请日：2013-01-28

    Applicant: KONINKLIJKE PHILIPS N.V.

    Inventor： Sven Prevrhal ,  Eberhard Sebastian Hansis ,  Joerg Bredno ,  Jinghan Ye ,  Xiyun Song ,  Chi-Hua Tung ,  Lingxiong Shao

    IPC: G06T11/00 ,  G06T7/00 ,  G06T5/50

    CPC classification number: G06T11/005 ,  G06T5/50 ,  G06T7/97 ,  G06T11/008 ,  G06T2207/10072 ,  G06T2207/10081 ,  G06T2207/10084 ,  G06T2207/10104 ,  G06T2207/20008 ,  G06T2207/20221 ,  G06T2207/30004 ,  G06T2211/416

    Abstract: A medical imaging system includes a data store (16) of re-construction procedures, a selector (24), a reconstructor (14), a fuser (28), and a display (22). The data store (16) of reconstruction procedures identifies a plurality of reconstruction procedures. The selector (24) selects at least two reconstruction procedures from the data store of reconstruction procedures based on a received input, each reconstruction procedure optimized for one or more image characteristics. The reconstructor (14) concurrently performs the selected at least two reconstruction procedures, each reconstruction procedure generates at least one image (26) from the at least one data store of imaging data (12). The fuser (28) fuses the at least two generated medical images to create a medical diagnostic image which includes characteristics from each generated image (26). The display (22) displays the medical diagnostic image.

    Abstract translation: 医疗成像系统包括重建程序的数据存储器（16），选择器（24），重建器（14），定影器（28）和显示器（22）。 重建程序的数据存储（16）识别多个重建程序。 选择器（24）基于接收到的输入，从重建程序的数据存储区中选择至少两个重建程序，每个重建程序针对一个或多个图像特征优化。 重构器（14）同时执行所选择的至少两个重建过程，每个重建过程从成像数据（12）的至少一个数据存储区生成至少一个图像（26）。 定影器（28）使至少两个生成的医学图像融合以创建包括来自每个生成的图像（26）的特征的医学诊断图像。 显示器（22）显示医疗诊断图像。

    Apparatus for determining a fractional flow reserve value
    10.
    发明授权
    Apparatus for determining a fractional flow reserve value 有权

    公开(公告)号：US10258303B2

    公开(公告)日：2019-04-16

    申请号：US15317158

    申请日：2015-06-24

    Applicant: KONINKLIJKE PHILIPS N.V.

    Inventor： Michael Grass ,  Yechiel Lamash ,  Liran Goshen ,  Holger Schmitt ,  Mordechay Pinchas Freiman ,  Hannes Nickisch ,  Sven Prevrhal

    IPC: A61B5/04 ,  A61B6/00 ,  G16H50/50 ,  A61B5/02 ,  A61B6/03 ,  A61B6/06 ,  A61B5/029

    Abstract: The invention relates to an apparatus for determining a fractional flow reserve (FFR) value of the coronary artery system of a living being (3). A fractional flow reserve value determination unit (13) determines the FFR value by using an FFR value determination algorithm that is adapted to determine the FFR value based on a boundary condition and a provided representation of the coronary artery system, wherein the boundary condition is specific for the living being and determined by a boundary condition determination unit (12). Since the boundary condition determination unit determines a boundary condition, which is specific for the living being, and since the fractional flow reserve value determination unit not only uses the provided representation of the coronary artery system, but also the living being specific boundary condition for determining the FFR value, the accuracy of the FFR value, which is non-invasively determined, can be improved.

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