3D Reconstruction of Tubular Structures from Three Orthogonal MRI Projections

被引：1

作者：

An, Junmo ^{[1
]}

Unan, Mahmut ^{[1
,2
]}

Chin, Karen ^{[2
]}

Shah, Dipan J.

Webb, Andrew G. ^{[3
]}

Seimenis, Ioannis ^{[4
]}

Tsekos, Nikolaos V. ^{[1
]}

机构：

[1] Univ Houston, Med Robot Lab, 501 Philip G Hoffman Hall, Houston, TX USA

[2] Methodist DeBakey Cardiol Associates, Houston, TX USA

[3] Leiden Univ, Med Ctr, CJ Gorter Ctr High Field MRI, Leiden, Netherlands

[4] Democritus Univ Thrace, Dept Med, Lab Med Phys, Alexandroupolis, Greece

来源：

XIV MEDITERRANEAN CONFERENCE ON MEDICAL AND BIOLOGICAL ENGINEERING AND COMPUTING 2016 | 2016年 / 57卷

基金：

美国国家科学基金会;

关键词：

Magnetic resonance imaging; contrast enhanced; 3D reconstruction; volumetric imaging; projection imaging; GUIDED INTERVENTIONS; IN-VITRO; VISUALIZATION; MANIPULATOR; IMAGES;

D O I：

10.1007/978-3-319-32703-7_64

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

This study presents a novel method for 3D imaging of tubular structures, such as blood vessels and catheters. With this method, the 3D object is reconstructed from three mutually exclusive orthogonal projections of the same volume. This triplanar projection imaging (TPI) was evaluated on a phantom filled with T1-shortening, Gd-based contrast agent embedded into a matrix. The projected structures were segmented out on each one of the projections and a backprojection algorithm was used to generate a rendering of the tubular structure in 3D. The accuracy of the method was investigated by comparing the centerline of the 3D tubular structure generated from TPI with the centerline extracted from a multislice set of images of the same volume. The two tubular structures were well matched in 3D. With further optimization and reduction of acquisition time, this method can be used for 3D fast imaging of interventional tools or blood vessels with applications in interventional MRI.

引用

页码：326 / 331

页数：6

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