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    • 4. 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。
    • 6. 发明申请
    • SYNOPSIS OF MULTIPLE SEGMENTATION RESULTS FOR BREAST LESION CHARACTERIZATION
    • 关于乳腺切片特征的多重分期结果概述
    • WO2010067219A1
    • 2010-06-17
    • PCT/IB2009/055105
    • 2009-11-16
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHBUELOW, ThomasWIEMKER, RafaelBERGTHOLDT, MartinMEINEL, Lina, Arabash
    • BUELOW, ThomasWIEMKER, RafaelBERGTHOLDT, MartinMEINEL, Lina, Arabash
    • G06T7/00
    • G06T7/0012G06T7/136G06T2207/10096G06T2207/30096
    • When characterizing a tumor or lesion as malignant or benign, a system (10) receives an image of the lesion volume (50), employs a processor (12) to perform a raw segmentation of the image, the results of which are stored to memory (14). Then processor then executes a hole-filling procedure to fill in dark areas in the image of the lesion representing necrotic tissue that absorbed little or no contrast agent, and optionally a leakage removal procedure to remove image voxels associated with non-lesion tissue, e.g., blood vessels, in which the contrast agent was present during imaging, to generate a complete lesion volume. A voxel analyzer (18) assesses a number of voxels included in the raw segmentation of the lesion image, and the final segmentation (e.g., after filling and optional leakage removal). A segmentation comparator (20) computes a ratio of dark area voxels related to necrotic tissue detected after the raw segmentation to total voxels detected in the final image segmentation. The ratio is then used to determine a likelihood of malignancy, with a higher ratio indicating a higher likelihood.
    • 当将肿瘤或病变描绘为恶性或良性时,系统(10)接收病变体积(50)的图像,使用处理器(12)执行图像的原始分割,其结果存储到存储器 (14)。 然后,处理器然后执行填充填充程序以填充代表坏死组织的损伤图像中的暗区域,其吸收很少或没有造影剂,以及可选地泄漏去除程序以去除与非损伤组织相关联的图像体素, 在成像期间存在造影剂的血管,以产生完整的病变体积。 体素分析器(18)评估包括在损伤图像的原始分割中的多个体素,以及最终分割(例如在填充和可选的泄漏移除之后)。 分割比较器(20)计算与原始分割之后检测到的坏死组织相关的暗区域体素与在最终图像分割中检测到的总体素的比率。 然后将该比率用于确定恶性肿瘤的可能性,其中较高的比率表明更高的可能性。
    • 8. 发明申请
    • METHOD OF PROVIDING A DISPLAYABLE PIXEL DATA SET FROM MEASUREMENT DATA PROVIDED BY A DIFFERENTIAL PHASE CONTRAST X-RAY IMAGING SYSTEM
    • 通过差分相位X射线成像系统提供的测量数据提供可显示像素数据的方法
    • WO2012077014A1
    • 2012-06-14
    • PCT/IB2011/055305
    • 2011-11-25
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHWIEMKER, RafaelCARLSEN, Ingwer-CurtRÖSSL, EwaldMARTENS, GerhardKOEHLER, Thomas
    • WIEMKER, RafaelCARLSEN, Ingwer-CurtRÖSSL, EwaldMARTENS, GerhardKOEHLER, Thomas
    • G06T11/00
    • G06T11/001G06T2207/10116
    • A method for providing a displayable pixel data set (11) from measurement data (3) provided by a differential phase-contrast X-ray imaging system (1) and a device (7) adapted to perform such method are proposed. The measurement data (3) comprise three types of measurement information: an absorption representing image data set A, a differential phase-contrast representing image data set D and a coherence representing image data set C. Each of the image data sets A, D and C comprises a 2-dimensional or 3-dimensional set of pixels (5) and the three image data sets are spatially aligned with each other. In the method for providing a displayable pixel data set, a colour value corresponding to a position in a 3- dimensional colour space (9) is attributed to each pixel (13) in the displayable pixel data set (11), wherein each of three coordinates HSI of the position in the 3-dimensional colour space (9) is determined based on data values A ij , D ij , C ij of a corresponding pixel (5) in a respective one of the image data sets A, D, C. For example, the coordinates within the colour space (9) may be indicated by an intensity I, a saturation S and a hue H thereby allowing a very intuitive representation of the complex DPCI measurement data to a human observer.
    • 提出了一种从由差分相位对比度X射线成像系统(1)提供的测量数据(3)和适于执行该方法的装置(7)提供可显示像素数据组(11)的方法。 测量数据(3)包括三种类型的测量信息:表示图像数据组A的吸收,表示图像数据组D的差分相位对照和表示图像数据组C的相干。每个图像数据组A,D和 C包括2维或3维像素集合(5),并且三个图像数据集在空间上彼此对准。 在提供可显示像素数据集的方法中,与可显示像素数据集合(11)中的每个像素(13)相对应的与三维颜色空间(9)中的位置相对应的颜色值,其中三个 基于图像数据组A,D,C的相应一个中的对应像素(5)的数据值A ij,D ij,C ij确定三维颜色空间(9)中的位置的坐标HSI 例如,颜色空间(9)内的坐标可以由强度I,饱和度S和色调H来表示,从而允许对人类观察者的复杂DPCI测量数据的非常直观的表示。