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    • 3. 发明公开
    • METHOD AND SYSTEM FOR PERFORMING BONE MULTI-SEGMENTATION IN IMAGING DATA
    • 用于在成像数据中执行骨多分割的方法和系统
    • EP3188127A1
    • 2017-07-05
    • EP15202865.0
    • 2015-12-29
    • Laboratoires Bodycad Inc.
    • RIVET-SABOURIN, GeoffroyRANDRIANARISOA, Vénérée Rakotomalala
    • G06T7/00
    • A computer implemented method for performing bone segmentation in imaging data of a section of a body structure is provided. The method includes : Obtaining (12, 20) the imaging data including a plurality of 2D images of the section of the body structure; and performing (50)a multiphase local-based hybrid level set segmentation on at least a subset of the plurality of 2D images by minimizing an energy functional including a local-based edge term and a local-based region term computed locally inside a local neighborhood centered at each pixel of each one of the 2D images on which the multiphase local-based hybrid level set segmentation is performed, the local neighborhood being defined by a Gaussian kernel whose size is determined by a scale parameter (σ).
    • 提供了一种用于在身体结构的一部分的成像数据中执行骨分割的计算机实现的方法。 该方法包括:获取(12,20)包括身体结构的部分的多个2D图像的成像数据; 以及通过最小化能量函数来执行(50)关于所述多个2D图像的至少一个子集的多阶段的基于局部的混合水平集分割,所述能量函数包括局部邻域内局部计算的基于局部的边界项和局部区域项 以其中执行多阶段基于局部的混合水平集分割的每个2D图像的每个像素为中心,所述局部邻域由尺寸由尺度参数(σ)确定的高斯内核定义。