3D registration of MR and X-ray spine images using an articulated model

被引：18
|
作者：
Harmouche, Rola [1 ]
Cheriet, Farida [1 ]
Labelle, Hubert [2 ]
Dansereau, Jean [1 ]
机构：
[1] Ecole Polytech, Montreal, PQ H3T 1J4, Canada
[2] Hop Ste Justine, Montreal, PQ H3T 1C5, Canada
来源：
COMPUTERIZED MEDICAL IMAGING AND GRAPHICS | 2012年 / 36卷 / 05期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Articulated model; Magnetic resonance imaging; X-ray imaging; Multimodal medical image registration scoliosis; 3-D/2-D REGISTRATION; 2-D-3-D REGISTRATION; CEREBRAL VESSELS; VERTEBRAL BODIES; CT; RECONSTRUCTION; SYSTEM; SCOLIOSIS; GUIDANCE; INTRA;
D O I：
10.1016/j.compmedimag.2012.03.003
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
This paper presents a magnetic resonance image (MRI)/X-ray spine registration method that compensates for the change in the curvature of the spine between standing and prone positions for scoliotic patients. MRIs in prone position and X-rays in standing position are acquired for 14 patients with scoliosis. The 3D reconstructions of the spine are then aligned using an articulated model which calculates intervertebral transformations. Results show significant decrease in registration error when the proposed articulated model is compared with rigid registration. The method can be used as a basis for full body MRI/X-ray registration incorporating soft tissues for surgical simulation. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：410 / 418
页数：9
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