发明申请
- 专利标题: Method for the reconstruction of three-dimensional objects
- 专利标题(中): 三维物体重建方法
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申请号: US10543394申请日: 2004-01-23
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公开(公告)号: US20060142984A1公开(公告)日: 2006-06-29
- 发明人: Jurgen Weese , Volker Rasche , Stewart Young , Babak Movassaghi
- 申请人: Jurgen Weese , Volker Rasche , Stewart Young , Babak Movassaghi
- 优先权: EP03100199.3 20030131
- 国际申请: PCT/IB04/00185 WO 20040123
- 主分类号: G06G7/48
- IPC分类号: G06G7/48 ; G06G7/58 ; G06K9/00
摘要:
The invention relates to a method for the computer-aided reconstruction of a three-dimensional anatomical object (3) from diagnostic image data. First of all, a diagnostic image data set of the object (3) is acquired. Then a seed point (5) is set, starting from which the object is reconstructed within a reconstruction volume (4). Thereafter, an adjacent point of the reconstruction volume (4) likewise belonging to the object (3) is located in accordance with a propagation criterion, which is calculated by means of a mathematical analysis of local areas (6, 7), assigned to the point concerned, of the image data set Reconstruction of the three-dimensional structure of the object (3) is then performed within the reconstruction volume (4) by multiple repetition of this method step and propagation along the located adjacent points. To apply such a reconstruction method to image data obtained by means of rotational X-ray imaging, wherein a plurality of two-dimensional projection images (1, 2) are recorded from different projection directions, the invention proposes that the propagation criterion be calculated by subjecting the local image areas (6, 7) of the two-dimensional projection images (1, 2) in each case individually to the mathematical analysis.