公开(公告)号：US20110228997A1

公开(公告)日：2011-09-22

申请号：US12725811

申请日：2010-03-17

Applicant: Toby Sharp ,  Antonio Criminisi ,  Khan Mohammad Siddiqui

Inventor： Toby Sharp ,  Antonio Criminisi ,  Khan Mohammad Siddiqui

IPC: G06K9/62

CPC classification number: G06T19/00 ,  G06T15/30 ,  G06T2200/24 ,  G06T2207/10081 ,  G06T2210/12 ,  G06T2219/004 ,  G06T2219/2012

Abstract: Medical image rendering is described. In an embodiment a medical image visualization engine receives results from an organ recognition system which provide estimated organ centers, bounding boxes and organ classification labels for a given medical image. In examples the visualization engine uses the organ recognition system results to select appropriate transfer functions, bounding regions, clipping planes and camera locations in order to optimally view an organ. For example, a rendering engine uses the selections to render a two-dimensional image of medical diagnostic quality with minimal user input. In an embodiment a graphical user interface populates a list of organs detected in a medical image and a clinician is able to select one organ and immediately be presented with the optimal view of that organ. In an example opacity of background regions of the medical image may be adjusted to provide context for organs presented in a foreground region.

Abstract translation: 描述医学图像呈现。 在一个实施例中，医学图像可视化引擎从提供给定医学图像的估计的器官中心，边界框和器官分类标签的器官识别系统接收结果。 在示例中，可视化引擎使用器官识别系统结果来选择适当的传递函数，边界区域，剪切平面和相机位置，以便最佳地观察器官。 例如，渲染引擎使用选择来以最小的用户输入呈现医学诊断质量的二维图像。 在一个实施例中，图形用户界面填充在医学图像中检测到的器官的列表，并且临床医生能够选择一个器官并且立即呈现该器官的最佳视图。 在示例性医学图像的背景区域的不透明度可以被调整以提供前景区域中呈现的器官的上下文。

公开(公告)号：US20110227934A1

公开(公告)日：2011-09-22

申请号：US12727849

申请日：2010-03-19

Applicant: Toby Sharp

Inventor： Toby Sharp

IPC: G06F15/16

CPC classification number: G06F19/321 ,  G06F9/5044 ,  G06F9/505 ,  G06F19/3418 ,  G06F2209/509

Abstract: Architecture for volume rendering is described. In an embodiment volume rendering is carried out at a data centre having a cluster of rendering servers connected using a high bandwidth connection to a database of medical volumes. For example, each rendering server has multiple graphics processing units each with a dedicated device thread. For example, a surgeon working from home on her netbook or thin client is able to have a medical volume rendered remotely at one of the rendering servers and the resulting 2D image sent to her over a relatively low bandwidth connection. In an example a master rendering server carries out load balancing at the cluster. In an example each rendering server uses a dedicated device thread for each graphics processing unit in its control and has multiple calling threads which are able to send rendering instructions to appropriate ones of the device threads.

Abstract translation: 描述体积渲染的体系结构。 在一个实施例中，在具有使用高带宽连接连接的呈现服务器的集群的数据中心上执行卷呈现到医疗卷的数据库。 例如，每个渲染服务器具有多个具有专用设备线程的图形处理单元。 例如，在家中在其上网本或瘦客户机上工作的外科医生能够在一个呈现服务器上远程呈现医疗卷，并且通过相对低带宽的连接发送给她的所得到的2D图像。 在一个示例中，主渲染服务器在集群上执行负载平衡。 在一个示例中，每个渲染服务器在其控制中为每个图形处理单元使用专用设备线程，并且具有能够将渲染指令发送到适当的设备线程的多个调用线程。

公开(公告)号：US20110216976A1

公开(公告)日：2011-09-08

申请号：US12718343

申请日：2010-03-05

Applicant: Carsten Curt Eckard Rother ,  Toby Sharp ,  Andrew Blake ,  Vladimir Kolmogorov

Inventor： Carsten Curt Eckard Rother ,  Toby Sharp ,  Andrew Blake ,  Vladimir Kolmogorov

IPC: G06K9/34

CPC classification number: G06K9/34

Abstract: Methods of updating image segmentation following user input are described. In an embodiment, the properties used in computing the different portions of the image are updated as a result of one or more user inputs. Image elements which have been identified by a user input are given more weight when updating the properties than other image elements which have already been assigned to a particular portion of the image. In another embodiment, an updated segmentation is post-processed such that only regions which are connected to an appropriate user input are updated.

Abstract translation: 描述用户输入后更新图像分割的方法。 在一个实施例中，用于计算图像的不同部分的属性被更新为一个或多个用户输入的结果。 当已经被分配给图像的特定部分的其他图像元素更新时，由用户输入识别的图像元素被赋予更多的权重。 在另一个实施例中，更新的分段被后处理，使得仅更新连接到适当的用户输入的区域。

公开(公告)号：US08411948B2

公开(公告)日：2013-04-02

申请号：US12718232

申请日：2010-03-05

Applicant: Carsten Curt Eckard Rother ,  Toby Sharp

Inventor： Carsten Curt Eckard Rother ,  Toby Sharp

IPC: G06K9/34 ,  G06K9/32

CPC classification number: G06T7/0079 ,  G06K9/34 ,  G06T3/40 ,  G06T7/11 ,  G06T7/136 ,  G06T17/00

Abstract: A method of up-sampling binary images for segmentation is described. In an embodiment, digital images are down-sampled before segmentation. The resulting initial binary segmentation, which has a lower resolution than the original image, is then up-sampled and smoothed to generate an interim non-binary solution which has a higher resolution than the initial binary segmentation. The final binary segmentation for the image is then computed from the interim non-binary solution based on a threshold. This method does not use the original image data in inferring the final binary segmentation solution from the initial binary segmentation. In an embodiment, the method may be applied to all images and in another embodiment, the method may be used for images which comprise a large number of pixels in total or in single dimension and smaller images may not be down-sampled before segmentation.

Abstract translation: 描述了用于分割的二进制图像的上采样方法。 在一个实施例中，在分割之前对数字图像进行下采样。 然后，所得到的具有比原始图像更低分辨率的初始二进制分割被上采样和平滑以产生具有比初始二进制分割更高分辨率的临时非二进制解。 然后基于阈值从临时非二进制解决方案计算图像的最终二进制分割。 该方法不使用原始图像数据从最初的二进制分割推断最终的二进制分割解决方案。 在一个实施例中，该方法可以应用于所有图像，并且在另一个实施例中，该方法可以用于总共或单维度中包含大量像素的图像，并且在分割之前可能不会对较小的图像进行下采样。

公开(公告)号：US08351654B2

公开(公告)日：2013-01-08

申请号：US12431421

申请日：2009-04-28

Applicant: Antonio Criminisi ,  Toby Sharp

Inventor： Antonio Criminisi ,  Toby Sharp

IPC: G06K9/00 ,  E04B7/08

CPC classification number: G06K9/6215 ,  G06T11/001

Abstract: Image processing using geodesic forests is described. In an example, a geodesic forest engine determines geodesic shortest-path distances between each image element and a seed region specified in the image in order to form a geodesic forest data structure. The geodesic distances take into account gradients in the image of a given image modality such as intensity, color, or other modality. In some embodiments, a 1D processing engine carries out 1D processing along the branches of trees in the geodesic forest data structure to form a processed image. For example, effects such as ink painting, edge-aware texture flattening, contrast-aware image editing, forming animations using geodesic forests and other effects are achieved using the geodesic forest data structure. In some embodiments the geodesic forest engine uses a four-part raster scan process to achieve real-time processing speeds and parallelization is possible in many of the embodiments.

Abstract translation: 描述了使用测地森林进行图像处理。 在一个示例中，测地森林引擎确定每个图像元素与图像中指定的种子区域之间的测距最短路径距离，以形成测地森林数据结构。 测距距离考虑了给定图像形态（如强度，颜色或其他形式）图像中的渐变。 在一些实施例中，1D处理引擎沿着测地森林数据结构中的树的分支执行1D处理，以形成经处理的图像。 例如，使用测地森林数据结构实现诸如水墨绘画，边缘感知纹理平整，对比度感知图像编辑，使用测地森林形成动画等效果。 在一些实施例中，测地森林引擎使用四部分光栅扫描过程来实现实时处理速度，并且在许多实施例中并行化是可能的。

公开(公告)号：US20120166462A1

公开(公告)日：2012-06-28

申请号：US12979362

申请日：2010-12-28

Applicant: Sayan D. Pathak ,  Antonio Criminisi ,  Steven J. White ,  Liqun Fu ,  Khan M. Siddiqui ,  Toby Sharp ,  Ender Konukoglu ,  Bryan Dove ,  Michael T. Gillam

Inventor： Sayan D. Pathak ,  Antonio Criminisi ,  Steven J. White ,  Liqun Fu ,  Khan M. Siddiqui ,  Toby Sharp ,  Ender Konukoglu ,  Bryan Dove ,  Michael T. Gillam

IPC: G06F17/30 ,  G06F3/048

CPC classification number: G06F3/04845 ,  G06F3/04842 ,  G06F9/451 ,  G06F19/321 ,  G16H15/00 ,  G16H40/63

Abstract: The present discussion relates to automated image data processing and visualization. One example can facilitate generating a graphical user-interface (GUI) from image data that includes multiple semantically-labeled user-selectable anatomical structures. This example can receive a user selection of an individual semantically-labeled user-selectable anatomical structure. The example can locate a sub-set of the image data associated with the individual semantically-labeled user-selectable anatomical structure and can cause presentation of the sub-set of the image data on a subsequent GUI.

Abstract translation: 本发明涉及自动图像数据处理和可视化。 一个示例可以有助于从包括多个语义标记的用户可选解剖结构的图像数据生成图形用户界面（GUI）。 该示例可以接收用户选择单个语义标记的用户可选择的解剖结构。 该示例可以定位与单独的语义标记的用户可选择的解剖结构相关联的图像数据的子集，并且可以在随后的GUI上引起图像数据的子集的呈现。

公开(公告)号：US20110141121A1

公开(公告)日：2011-06-16

申请号：US12635861

申请日：2009-12-11

Applicant: Toby Sharp ,  Antonio Criminisi

Inventor： Toby Sharp ,  Antonio Criminisi

IPC: G06F15/80

CPC classification number: G06T17/10 ,  A63F2300/1087 ,  G06F17/10 ,  G06T5/30 ,  G06T2207/20041

Abstract: Parallel processing for distance transforms is described. In an embodiment a raster scan algorithm is used to compute a distance transform such that each image element of a distance image is assigned a distance value. This distance value is a shortest distance from the image element to the seed region. In an embodiment two threads execute in parallel with a first thread carrying out a forward raster scan over the distance image and a second thread carrying out a backward raster scan over the image. In an example, a thread pauses when a cross-over condition is met until the other thread meets the condition after which both threads continue. In embodiments distances may be computed in Euclidean space or along geodesics defined on a surface. In an example, four threads execute two passes in parallel with each thread carrying out a raster scan over a different quarter of the image.

Abstract translation: 描述了距离变换的并行处理。 在一个实施例中，光栅扫描算法用于计算距离变换，使得距离图像的每个图像元素被分配距离值。 该距离值是从图像元素到种子区域的最短距离。 在一个实施例中，两个线程与第一线程并行执行，该第一线程在距离图像上执行正向光栅扫描，而第二线程在图像上执行向后光栅扫描。 在一个示例中，当满足交叉条件时，线程将暂停，直到另一个线程满足两个线程继续的条件为止。 在实施例中，距离可以在欧氏距离空间中或沿着表面上定义的测地线计算。 在一个示例中，四个线程与在每个图像的不同四分之一处执行光栅扫描的每个线程并行执行两个遍。

公开(公告)号：US20090290795A1

公开(公告)日：2009-11-26

申请号：US12126302

申请日：2008-05-23

Applicant: Antonio Criminisi ,  Toby Sharp

Inventor： Antonio Criminisi ,  Toby Sharp

IPC: G06K9/34

CPC classification number: G06T5/002 ,  G06K9/342 ,  G06T7/11 ,  G06T7/155 ,  G06T2207/10016 ,  G06T2207/30212

Abstract: A method of geodesic image and video processing is proposed. In an embodiment, the method uses a geodesic distance transform to construct an image filter. The filter can be used in a variety of image editing operations such as segmentation, denoising, texture smoothing, image stitching and cartooning. In one embodiment, the method may be made efficient by utilizing parallelism of the algorithm to carry out processing steps on at least two processing cores concurrently. This efficiency may enable high-resolution images and video to be processed at ‘real time’ rates without the need for specialist hardware.

Abstract translation: 提出了一种测地图像和视频处理方法。 在一个实施例中，该方法使用测地距离变换来构造图像滤波器。 滤镜可用于各种图像编辑操作，如分割，去噪，纹理平滑，图像拼接和卡通。 在一个实施例中，可以通过利用算法的并行性来同时对至少两个处理核执行处理步骤来使该方法有效。 这种效率可以使得高分辨率图像和视频以“实时”速率被处理，而不需要专用硬件。

公开(公告)号：US20080178087A1

公开(公告)日：2008-07-24

申请号：US11625049

申请日：2007-01-19

Applicant: Andrew Fitzgibbon ,  Toby Sharp

Inventor： Andrew Fitzgibbon ,  Toby Sharp

IPC: G11B27/00 ,  G06F3/00

CPC classification number: G06T13/20 ,  G06T19/20 ,  G06T2219/2016

Abstract: Using in-scene editing, an added title, or object, moves as the camera moves through the imaged scene. Previously this has been complex to achieve, requiring expert users to explicitly align 3D coordinate systems in the image sequence and on the added title or object. For example, this has been used to add 3D objects into live-action footage in big-budget movies or advertising. A simple, easy to use system is described for achieving in-scene editing. A user specifies projection constraints by making 2D actions on one or more images in the image sequence. A 3D motion trajectory is computed for a 3D object model on the basis of the specified projection constraints and a smoothness indicator. Using the computed trajectory the 3D object model is added to the image sequence. Projection constraints may be added, amended or deleted to position the 3D object model and/or to animate it.

Abstract translation: 使用场景编辑，添加的标题或对象，随着相机移动通过成像的场景而移动。 以前，这一点很复杂，要求专家用户明确地对齐图像序列中的3D坐标系和添加的标题或对象。 例如，这已被用于将3D对象添加到大型预算电影或广告中的实时影像中。 描述了一个简单易用的系统，用于实现现场编辑。 用户通过在图像序列中的一个或多个图像上进行2D动作来指定投影约束。 基于指定的投影约束和平滑指标，为3D对象模型计算3D运动轨迹。 使用计算的轨迹，将3D对象模型添加到图像序列中。 可以添加，修改或删除投影约束以定位3D对象模型和/或使其动画化。

公开(公告)号：US09557836B2

公开(公告)日：2017-01-31

申请号：US13286966

申请日：2011-11-01

Applicant: Toby Sharp ,  Jamie Daniel Joseph Shotton

Inventor： Toby Sharp ,  Jamie Daniel Joseph Shotton

IPC: G06K9/00 ,  G06K9/62 ,  G06T7/00 ,  G06F3/038 ,  A63F13/42 ,  G06F3/01 ,  G06F3/03 ,  H04N19/597

CPC classification number: G06F3/038 ,  A63F13/42 ,  A63F2300/1093 ,  A63F2300/6045 ,  G06F3/017 ,  G06F3/0304 ,  G06K9/00335 ,  G06K9/00362 ,  G06K9/00369 ,  G06K9/00375 ,  G06K9/6269 ,  G06T2207/10028 ,  G06T2207/30196 ,  H04N19/597

Abstract: Depth image compression is described for example, to enable body-part centers of players of a game to be detected in real time from depth images or for other applications such as augmented reality, and human-computer interaction. In an embodiment, depth images which have associated body-part probabilities, are compressed using probability mass which is related to the depth of an image element and a probability of a body part for the image element. In various examples, compression of the depth images using probability mass enables body part center detection, by clustering output elements, to be speeded up. In some examples, the scale of the compression is selected according to a depth of a foreground region and in some cases different scales are used for different image regions. In some examples, certainties of the body-part centers are calculated using probability masses of clustered image elements.

Abstract translation: 例如，深度图像压缩被描述为使得能够从深度图像或诸如增强现实和人机交互的其他应用实时地检测游戏的玩家的身体部位中心。 在一个实施例中，具有相关联的身体部位概率的深度图像使用与图像元素的深度和图像元素的身体部位的概率相关的概率质量进行压缩。 在各种示例中，使用概率质量压缩深度图像可以通过聚类输出元素来加快身体部位中心检测。 在一些示例中，根据前景区域的深度选择压缩的比例，并且在一些情况下，不同的比例尺用于不同的图像区域。 在一些示例中，使用聚类图像元素的概率质量来计算身体部位中心的确定性。