A fully automatic calibration procedure for freehand 3D ultrasound
A fully automatic calibration procedure for freehand 3D ultrasound
复制标题
徒手 3D 超声的全自动校准程序
DOI：
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复制
发表时间：
2002
期刊：
影响因子：
--
通讯作者：
C. Barillot
中科院分区：
文献类型：
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作者：
F. Rousseau;P. Hellier;C. Barillot
描述了一种徒手三维 (3D) 超声校准的新颖方法。位置传感器安装在传统的超声探头上，因此 B 扫描集可以在 3D 中定位，并且可以复合到一个体积中。标定过程旨在确定图像坐标系与定位系统坐标系之间的变换（平移、旋转、缩放）。在我们的研究中，用于校准 3D 超声系统的体模是一个平面。它在每幅图像中提供了一条有力的直线。校准过程基于 2D 图像中形成 3D 平面的一组线。从超声序列中提取兴趣点。变换的八个参数是通过迭代算法确定的，该算法基于平面和感兴趣点之间的正确配准提供正确校准的原理。该方法的验证已在合成序列上进行。该校准方法被证明易于执行、完全自动化且速度足够快，适合临床使用。
Describes a novel method for calibration of freehand three-dimensional (3D) ultrasound. A position sensor is mounted on a conventional ultrasound probe, thus the set of B-scans can be localized in 3D, and can be compounded into a volume. The calibration process aims at determining the transformation (translations, rotations, scaling) between the coordinates system of images and the coordinate system of the localization system. In our study, the phantom used to calibrate the 3D ultrasound system is a plane. It provides in each image a strong, straight line. The calibration process is based on the set of lines in 2D images forming a plane in 3D. Points of interest are extracted from the ultrasound sequence. The eight parameters of the transformation are determined with an iterative algorithm which is based on the principle that correct registration between the plane and the points of interest provides correct calibration. Validation of this method has been performed on synthetic sequences. This calibration method is shown to be easy to perform, completely automatic and fast enough for clinical use.
影响因子：
2.9
作者：
DETMER, PR;BASHEIN, G;STRANDNESS, DE
通讯作者：
STRANDNESS, DE