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    • 52. 发明申请
    • IMAGE PROCESSING APPARATUS
    • 图像处理设备
    • WO2012069990A1
    • 2012-05-31
    • PCT/IB2011/055232
    • 2011-11-22
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHWIEMKER, RafaelBUELOW, ThomasBERGTHOLDT, MartinMEETZ, KirstenCARLSEN, Ingwer-Curt
    • WIEMKER, RafaelBUELOW, ThomasBERGTHOLDT, MartinMEETZ, KirstenCARLSEN, Ingwer-Curt
    • G06T11/00
    • G06T11/60G06T11/00
    • 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 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.
    • 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来输出图像;预测器(120),被配置为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(104),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所述第二输入图像的预测误差的残差值 预测的第二输入图像,并且再现单元还被配置为通过使用用于表示输出值的向量中的残差的第二映射函数来渲染输出图像中的残差图像,第二映射函数不同于第一映射函数 用于区分残留图像与第一输入图像。
    • 58. 发明申请
    • INTERACTIVE SELECTION OF A REGION OF INTEREST AND SEGMENTATION OF IMAGE DATA
    • 互动选择一个利益区域和分割图像数据
    • WO2009101577A2
    • 2009-08-20
    • PCT/IB2009050544
    • 2009-02-10
    • KONINKL PHILIPS ELECTRONICS NVPHILIPS INTELLECTUAL PROPERTYOPFER ROLANDWIEMKER RAFAELBLAFFERT THOMAS
    • OPFER ROLANDWIEMKER RAFAELBLAFFERT THOMAS
    • G06T7/00A61B5/00
    • G06T7/0012G06T7/12G06T2207/10072G06T2207/10132G06T2207/20012G06T2207/20101G06T2207/20104G06T2207/30004
    • The invention relates to a system (100) for interactive definition of a region of interest in an image data space, the system (100) comprising a point unit (110) for selecting a plurality of points for defining a boundary of the region of interest on the basis of user inputs and a boundary unit (120) for determining the boundary on the basis of the plurality of points, thereby defining the region of interest, wherein the boundary unit further comprises a domain unit (122) for determining a domain space for a parameterization of the boundary, a projection unit (124) for projecting each point of the plurality of points onto the domain space and an approximation unit (126) for computing a map for mapping the domain space into the image data space, wherein values of the map are points defining the boundary of the region of interest, such that the composition of said projection and said map satisfies a condition for defining the map. Only points necessary for defining the ROI need to be selected. For a simple-shape structure of interest, or for a structure of interest which is at a fair distance from other non- interesting structures, the number of points for defining a ROI comprising said structure of interest can be quite low. For a complex-shape structure of interest, a sufficient number of points can be selected to define a ROI that comprises said structure of interest but does not comprise, for example, a view-occluding structure. The intensities of voxels comprised in the structure of interest do not affect the definition of the ROI, because the ROI is defined on the basis of the selected plurality of points and is not affected by said intensities.
    • 本发明涉及一种用于在图像数据空间中交互定义感兴趣区域的系统(100),该系统(100)包括点单元(110),用于选择用于定义感兴趣区域的边界的多个点 基于用户输入和用于基于多个点确定边界的边界单元(120),从而定义感兴趣的区域,其中边界单元还包括用于确定域空间的域单元(122) 用于边界的参数化,用于将多个点中的每个点投影到域空间上的投影单元(124)和用于计算用于将域空间映射到图像数据空间中的映射的近似单元(126),其中值 的地图是定义感兴趣区域的边界的点,使得所述投影和所述地图的组成满足用于定义地图的条件。 只需要选择定义ROI的必要点。 对于感兴趣的简单形状结构,或者与其他非有趣结构相距很远的感兴趣的结构,用于定义包含所述感兴趣结构的ROI的点的数量可能相当低。 对于感兴趣的复杂形状结构,可以选择足够数量的点来定义包括所述感兴趣结构但不包括例如遮挡结构的ROI。 包含在感兴趣结构中的体素的强度不影响ROI的定义,因为ROI是基于所选择的多个点来定义的,并且不受所述强度的影响。