3D Reconstruction of the proximal femur radiographs shape from few pairs of x-ray

被引：9

作者：

Akkoul, Sonia ^{[1
]}

Hafiane, Adel ^{[2
]}

Rozenbaum, Olivier ^{[3
]}

Lespessailles, Eric ^{[4
,5
]}

Jennane, Rachid ^{[5
]}

机构：

[1] Univ Orleans, PRISME, EA4229, 12 Rue Blois, F-45067 Orleans, France

[2] INSA Ctr Val Loire, PRISME, EA 4229, 88 Av Lahitolle, F-18020 Bourges, France

[3] Univ Orleans, ISTO, UMR 7327, 1A Rue Ferollerie, F-45071 Orleans, France

[4] Nouvel Hop Orleans, Serv Rhumatol, F-45032 Orleans, France

[5] Univ Orleans, I3MTO, EA 4708, 5 Rue Chartres, F-45067 Orleans, France

来源：

SIGNAL PROCESSING-IMAGE COMMUNICATION | 2017年 / 59卷

关键词：

3D shape reconstruction; Stereo-radiography; Proximal femur; MODEL; REGISTRATION; ALGORITHM;

D O I：

10.1016/j.image.2017.03.014

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a 3D reconstruction method of the proximal femur shape based on contour identification from pairs of 2D X-ray radiographs. The aim is to reconstruct the 3D surface of the proximal femur from a limited number of projections. Our approach is based on the reconstruction of several 3D contours, which are meshed to obtain a 3D shape. Our proposed algorithm is based on different processing steps to obtain the 3D personalized model. Three approaches are proposed. The first technique consists of contour extraction, matching the points of these contours and calculation of a 3D contour using an original algorithm. The second and third techniques use the results of the previous method as well as new points chosen by an operator from a reference model of femur to improve accuracy either globally or only in sensitive areas. The proposed method was evaluated on 10 cadaveric proximal femurs using the 3D CT-Scan models. Obtained results show good performance and promising perspectives for 3D shape reconstruction of the femur from only a few pairs of radiographs. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：65 / 72

页数：8

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