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    • 5. 发明申请
    • DEVICE AND METHOD FOR DETERMINING ACTUAL TISSUE LAYER BOUNDARIES OF A BODY
    • 用于确定身体的实际组织层边界的装置和方法
    • WO2012093317A1
    • 2012-07-12
    • PCT/IB2011/055959
    • 2011-12-27
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.JEANNE, VincentMÄUELER, SebastianSHAN, Caifeng
    • JEANNE, VincentMÄUELER, SebastianSHAN, Caifeng
    • A61B8/08G06T7/00
    • A61B8/0858A61B5/4872A61B5/7239A61B8/4254A61B8/46G06T7/0012
    • The present invention relates to a device (8) for determining tissue layer boundaries of a body (14), comprising a probe (10) for acquiring (S12) two or more ultrasound images (36) at adjacent positions of a surface (12) of the body (14), a converter (44) for converting (S14) said ultrasound images (36) separately to depth signals (46), wherein a depth signal (46) is obtained by summing intensities of one of said ultrasound images (36) along a line (66) of substantially constant depth in the body (14), a detector (48) for detecting (S16) a set of candidate tissue layer boundaries (50) for an ultrasound image (36) by thresholding the depth signal (46) obtained for said ultrasound image (36), a selection means (52) for selecting (S18) from a set of candidate tissue layer boundaries (50) a nearest candidate tissue layer boundary (54) that is nearest to the surface (12) of the body (14), and a processing means (56) for determining (S20) an actual tissue layer boundary (58) from the nearest candidate tissue layer boundaries (54) obtained for various ultrasound images (36).
    • 本发明涉及一种用于确定身体(14)的组织层边界的装置(8),包括用于获取(S12)在表面(12)的相邻位置处的两个或更多个超声图像(36)的探针(10) (14),用于将所述超声图像(36)分别转换成深度信号(46)的转换器(44),其中通过将所述超声图像之一的强度相加来获得深度信号(46) 36),用于通过阈值深度来检测(S16)用于超声图像(36)的一组候选组织层边界(50)的检测器(48) 用于所述超声图像获得的信号(46);选择装置(52),用于从一组候选组织层边界(50)中选择最接近表面的最近候选组织层边界(54)的(S18) (12),以及处理装置(56),用于从最近的(S20)确定(S20)实际的组织层边界(58) 针对各种超声波图像(36)获得的候选组织层边界(54)。