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    VIRTUAL FIDUCIAL MARKERS
    1.
    发明公开
    VIRTUAL FIDUCIAL MARKERS 有权
    VIRTUELLE BEZUGSMARKIERUNGEN

    公开(公告)号：EP2849630A2

    公开(公告)日：2015-03-25

    申请号：EP13727302.5

    申请日：2013-05-10

    申请人： CYDAR LIMITED

    发明人： CARRELL, Tom ,  VARNAVAS, Andreas ,  PENNEY, Graeme

    IPC分类号： A61B5/00 ,  G06T7/00

    CPC分类号： G06T7/0075 ,  F24C15/2021 ,  G06T7/593 ,  G06T2207/10121 ,  G06T2207/30012

    摘要： Embodiments of the invention introduce the concept of a virtual fiducial marker (VFM). This marker will not be placed prior to preoperative imaging. It will therefore not initially appear in the preoperative 3D image. Instead, the marker will be virtually placed in the 3D data set prior to surgery, and as such the marker does not even need to be attached to the patient, if the patient is not expected to move during surgery. The idea behind such a VFM comes from the observation that there is a big variation in the difficulty of an image based registration depending on the quality of the images and their field of view. However, provided two initial registrations to high quality wide field of view images can be carried out, it then becomes possible to use these registrations to insert a virtual fiducial marker within the 3D preoperative image. Once inserted it may then be used to obtain a starting position for a registration procedure, and particularly to obtain in-plane translations. It may also be used at the end of a registration to provide a measure of registration accuracy, to verify the registration and detect mis-registrations.

    摘要翻译： 本发明的实施例引入虚拟基准标记（VFM）的概念。 该标记不会在术前成像前放置。 因此，它最初不会出现在术前3D图像中。 相反，在手术之前，标记将被虚拟地放置在3D数据集中，并且因此如果患者在手术期间不期望移动，则标记甚至不需要附着到患者​​身上。 这种VFM背后的想法来自于观察到，基于图像的质量和它们的视野，基于图像的注册的难度有很大变化。 然而，如果能够对高质量的宽视野图像进行两次初始注册，则可以使用这些注册在3D术前图像中插入虚拟基准标记。 一旦插入，它可以用于获得注册过程的起始位置，特别是获得平面内翻译。 它也可以在注册结束时使用，以提供注册准确度的度量，以验证注册和检测错误注册。

    VIRTUAL FIDUCIAL MARKERS
    2.
    发明授权
    VIRTUAL FIDUCIAL MARKERS 有权

    公开(公告)号：EP2849630B1

    公开(公告)日：2018-07-25

    申请号：EP13727302.5

    申请日：2013-05-10

    申请人： CYDAR LIMITED

    发明人： CARRELL, Tom ,  VARNAVAS, Andreas ,  PENNEY, Graeme

    IPC分类号： G06T7/593

    CPC分类号： G06T7/593 ,  F24C15/2021 ,  G06T2207/10121 ,  G06T2207/30012

    摘要： Embodiments of the invention introduce the concept of a virtual fiducial marker (VFM). This marker will not be placed prior to preoperative imaging. It will therefore not initially appear in the preoperative 3D image. Instead, the marker will be virtually placed in the 3D data set prior to surgery, and as such the marker does not even need to be attached to the patient, if the patient is not expected to move during surgery. The idea behind such a VFM comes from the observation that there is a big variation in the difficulty of an image based registration depending on the quality of the images and their field of view. However, provided two initial registrations to high quality wide field of view images can be carried out, it then becomes possible to use these registrations to insert a virtual fiducial marker within the 3D preoperative image. Once inserted it may then be used to obtain a starting position for a registration procedure, and particularly to obtain in-plane translations. It may also be used at the end of a registration to provide a measure of registration accuracy, to verify the registration and detect mis-registrations.

    METHOD AND SYSTEM FOR TOMOSYNTHESIS IMAGING
    3.
    发明授权
    METHOD AND SYSTEM FOR TOMOSYNTHESIS IMAGING 有权

    公开(公告)号：EP3028258B1

    公开(公告)日：2018-06-06

    申请号：EP14749984.2

    申请日：2014-08-01

    申请人： Cydar Limited

    发明人： PENNEY, Graeme ,  CARRELL, Tom ,  ALHRISHY, Mazen

    IPC分类号： G06T11/00

    CPC分类号： G06T7/0012 ,  G06T5/50 ,  G06T11/003 ,  G06T11/006 ,  G06T15/20 ,  G06T2207/10081 ,  G06T2207/10088 ,  G06T2207/20224 ,  G06T2211/412 ,  G06T2211/428 ,  G06T2211/436

    摘要： An image generation method is described, comprising obtaining a plurality of 2D images through an object to be imaged, obtaining a 3D image data set of the object to be imaged, and registering the 2D images with the 3D image data set. The method then provides for clutter removal from the image. In a medical imaging context this can provide for "de-boned" images, allowing soft tissue to be more clearly seen. Another aspect of the method further provides for defining an image reconstruction plane internal to the object, being the plane of an image to be reconstructed from the plurality of 2D images. Then, for a pixel in the image reconstruction plane, corresponding pixel values from the plurality of 2D images are mapped thereto, and the mapped pixel values are combined into a single value to give a value for the pixel in the image reconstruction plane.

    METHOD AND SYSTEM FOR TOMOSYNTHESIS IMAGING
    4.
    发明公开
    METHOD AND SYSTEM FOR TOMOSYNTHESIS IMAGING 审中-公开
    VERFAHREN UND系统ZUR TOMOSYNTHESE-BILDGEBUNG

    公开(公告)号：EP3059709A1

    公开(公告)日：2016-08-24

    申请号：EP16162270.9

    申请日：2014-08-01

    申请人： Cydar Limited

    发明人： PENNEY, Graeme ,  CARRELL, Tom ,  ALHRISHY, Mazen

    IPC分类号： G06T11/00

    CPC分类号： G06T7/0012 ,  G06T5/50 ,  G06T11/003 ,  G06T11/006 ,  G06T15/20 ,  G06T2207/10081 ,  G06T2207/10088 ,  G06T2207/20224 ,  G06T2211/412 ,  G06T2211/428 ,  G06T2211/436

    摘要： An image generation method is described, comprising obtaining a plurality of 2D images through an object to be imaged, obtaining a 3D image data set of the object to be imaged, and registering the 2D images with the 3D image data set. The method then provides for clutter removal from the image. In a medical imaging context this can provide for "de-boned" images, allowing soft tissue to be more clearly seen. Another aspect of the method further provides for defining an image reconstruction plane internal to the object, being the plane of an image to be reconstructed from the plurality of 2D images. Then, for a pixel in the image reconstruction plane, corresponding pixel values from the plurality of 2D images are mapped thereto, and the mapped pixel values are combined into a single value to give a value for the pixel in the image reconstruction plane.

    摘要翻译： 描述了一种图像生成方法，包括通过要成像的对象获得多个2D图像，获得要成像的对象的3D图像数据集，以及用3D图像数据集登记2D图像。 该方法然后提供从图像中​​去除杂波。 在医学成像背景下，这可以提供“去骨”图像，使得更清楚地看到软组织。 该方法的另一方面进一步提供用于定义对象内部的图像重构平面，作为要从多个2D图像重建的图像的平面。 然后，对于图像重建平面中的像素，将来自多个2D图像的对应像素值映射到其上，并将映射的像素值组合成单个值，以给出图像重建平面中的像素的值。

    METHOD AND SYSTEM FOR TOMOSYNTHESIS IMAGING
    7.
    发明公开
    METHOD AND SYSTEM FOR TOMOSYNTHESIS IMAGING 有权
    用于TOMOSYNTHESIS成像的方法和系统

    公开(公告)号：EP3028258A1

    公开(公告)日：2016-06-08

    申请号：EP14749984.2

    申请日：2014-08-01

    申请人： Cydar Limited

    发明人： PENNEY, Graeme ,  CARRELL, Tom ,  ALHRISHY, Mazen

    IPC分类号： G06T11/00

    CPC分类号： G06T7/0012 ,  G06T5/50 ,  G06T11/003 ,  G06T11/006 ,  G06T15/20 ,  G06T2207/10081 ,  G06T2207/10088 ,  G06T2207/20224 ,  G06T2211/412 ,  G06T2211/428 ,  G06T2211/436

    摘要： An image generation method is described, comprising obtaining a plurality of 2D images through an object to be imaged, obtaining a 3D image data set of the object to be imaged, and registering the 2D images with the 3D image data set. The method then provides for clutter removal from the image. In a medical imaging context this can provide for "de-boned" images, allowing soft tissue to be more clearly seen. Another aspect of the method further provides for defining an image reconstruction plane internal to the object, being the plane of an image to be reconstructed from the plurality of 2D images. Then, for a pixel in the image reconstruction plane, corresponding pixel values from the plurality of 2D images are mapped thereto, and the mapped pixel values are combined into a single value to give a value for the pixel in the image reconstruction plane.

    摘要翻译： 描述了一种图像生成方法，包括：通过待成像的对象获得多个2D图像，获得待成像的对象的3D图像数据集，以及将3D图像数据集与3D图像数据集配准。 该方法然后进一步包括定义该对象内部的图像重建平面，该图像重建平面是要从多个2D图像重建的图像的平面。 然后，对于图像重建平面中的像素，将来自多个2D图像的对应像素值映射到其中，并将映射的像素值组合为单个值以给出图像重建平面中的像素的值。 该方法的另一方面提供了从图像中去除杂波。 在医学成像的情况下，这可以提供“去骨”图像，从而更清晰地看到软组织。