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    • 44. 发明申请
    • A SYSTEM AND METHOD FOR DISTINGUISHING BETWEEN BIOLOGICAL MATERIALS
    • 用于生物材料鉴别的系统和方法
    • WO2010114706A1
    • 2010-10-07
    • PCT/US2010/027587
    • 2010-03-17
    • GE HEALTHCARE BIO-SCIENCES CORP.PATEL, Hima Mukesh
    • PATEL, Hima Mukesh
    • G06K9/00
    • G06K9/0014G06K9/34G06T7/11G06T7/155G06T7/187G06T2207/10056G06T2207/20041G06T2207/30024
    • The invention provides a method for distinguishing biological materials. The method provides: providing at least one segmented image of at least two cells; applying a distance transform to the at least one segmented image of the confluent cells; applying a region growing technique to the distance transform of the at least one segmented image to form a region grown image, wherein a plurality of regions are formed in the at least one segmented image; assigning at least one label to at least one of the plurality of regions of the at least one segmented image of the confluent cells; applying a merging technique to at least two of the plurality of regions if it is determined that at least two of the plurality of regions are neighboring regions; determining whether to assign a same label to the neighboring regions or retain existing labels; and merging the neighboring regions of the region grown image if labels are changed to form at least one image of at least one cell.
    • 本发明提供了区分生物材料的方法。 该方法提供:提供至少两个细胞的至少一个分割图像; 对融合单元的至少一个分割图像应用距离变换; 将区域生长技术应用于所述至少一个分割图像的距离变换以形成区域生长图像,其中在所述至少一个分割图像中形成多个区域; 将至少一个标签分配给汇合小区的至少一个分割图像的多个区域中的至少一个区域; 如果确定所述多个区域中的至少两个区域是相邻区域,则将合并技术应用于所述多个区域中的至少两个区域; 确定是否向相邻区域分配相同的标签或保留现有的标签; 以及如果改变标签,则合并区域生长图像的相邻区域以形成至少一个单元的至少一个图像。
    • 47. 发明申请
    • NODULE BOUNDARY DETECTION
    • 边界检测
    • WO2005114566A3
    • 2006-04-27
    • PCT/GB2005001839
    • 2005-05-13
    • MEDICSIGHT PLCDEHMESHKI JAMSHID
    • DEHMESHKI JAMSHID
    • G06T5/00G06T7/00
    • G06T7/0012G06K9/342G06K9/38G06K2209/05G06T7/11G06T7/12G06T7/155G06T7/187G06T7/194G06T2207/10081G06T2207/20041G06T2207/20101G06T2207/20156G06T2207/30064
    • A method of detecting the extent of a lung nodule in a scan image comprises fine segmenting (14) a region around the nodule into foreground and background, filling holes within foreground areas (16), region growing the foreground (18) to identify an initial region of interest, determining a mask (20) by enlarging the initial region to contain background and to exclude other foreground regions, determining a spatial map (26) of connectivity within the mask to a point within the initial region, region growing (28) within the mask and determining the maximum edge contrast (30) during region growing. The region of maximum edge contrast identifies the extent of the nodule (32). The position of the nodule may a seed point identified by the user (12). Most preferably, an optimum seed point is determined by iterative determination of seed points (22, 24) so that the determined extent of the nodule is substantially independent of the precise location of the seed point identified by the user.
    • 一种检测扫描图像中肺结节范围的方法包括将结节周围的区域细分成前景和背景,填充前景区域(16)内的孔,增长前景(18)的区域,以识别初始 通过放大初始区域以包含背景并排除其他前景区域来确定掩模(20),确定掩模内的连通性的空间映射(26)到初始区域内的一个点,区域增长(28) 并在区域生长期间确定最大边缘对比度(30)。 最大边缘对比度的区域识别结节(32)的程度。 结节的位置可以是用户(12)识别的种子点。 最优选地,通过种子点(22,24)的迭代确定来确定最佳种子点,使得确定的结节范围基本上与使用者识别的种子点的精确位置无关。