3D Graph Description of the Intracerebral Vasculature from Segmented MRA and Tests of Accuracy by Comparison with X-ray Angiograms

3D Graph Description of the Intracerebral Vasculature from Segmented MRA and Tests of Accuracy by Comparison with X-ray Angiograms
复制标题

分段 MRA 的脑内脉管系统 3D 图形描述以及通过与 X 射线血管造影比较进行的准确性测试

DOI:
--
复制
发表时间:
1999
期刊:
Information Processing in Medical Imaging
影响因子:
--
通讯作者:
S. Pizer
S. Pizer
中科院分区:
--
文献类型:
--
作者:
E. Bullitt;S. Aylward;Alan Liu;J. Stone;S. Mukherji;C. Coffey;G. Gerig;S. Pizer

文献摘要

参考文献

被引文献

相似文献

本文描述了从磁共振血管造影片分割的单个血管创建连接的3D血管树的基本自动化方法。血管分割由用户提供的种子点启动,自动计算血管骨架作为图像强度脊,并通过中值计算自动估计血管宽度。树创建过程采用最小生成树算法的变体,并在每个建议的连接点处评估图像强度。我们通过将3D血管树与从同一患者获得的4张数字减影血管造影片(DSA)配准,并要求两名神经放射科医生在每个DSA视图上评估每个淋巴结连接,来评估淋巴结连接的准确性。没有连接被判断为不正确。该方法允许新的,临床上有用的可视化脑内血管。
This paper describes largely automated methods of creating connected, 3D vascular trees from individual vessels segmented from magnetic resonance angiograms. Vessel segmentation is initiated by user-supplied seed points, with automatic calculation of vessel skeletons as image intensity ridges and automatic estimation of vessel widths via medialness calculations. The tree-creation process employs a variant of the minimum spanning tree algorithm and evaluates image intensities at each proposed connection point. We evaluate the accuracy of nodal connections by registering a 3D vascular tree with 4 digital subtraction angiograms (DSAs) obtained from the same patient, and by asking two neuroradiologists to evaluate each nodal connection on each DSA view. No connection was judged incorrect. The approach permits new, clinically useful visualizations of the intracerebral vasculature.
显示脑内血管解剖结构的方法。
DOI: --
发表时间: 1997
期刊: AJNR. American journal of neuroradiology
影响因子: --
作者:
Bullitt,E;Liu,A;Aylward,S;Soltys,M;Rosenman,J;Pizer,SM
通讯作者: Pizer,SM
在存在误差的情况下,根据成对的投影视图对曲线进行三维重建。
DOI: 10.1118/1.597954
发表时间: 1997
期刊: Medical physics
影响因子: 3.8
作者:
Bullitt,E;Liu,A;Pizer,SM
通讯作者: Pizer,SM
在存在误差的情况下,根据成对的投影视图对曲线进行三维重建。
DOI: 10.1118/1.597952
发表时间: 1997
期刊: Medical physics
影响因子: 3.8
作者:
Bullitt,E;Liu,A;Pizer,SM
通讯作者: Pizer,SM