基于专家模型的左心室超声图像三维重建

G. Winterfeldt, M. Berger, J. Lethor, M. Handschumacher
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引用次数: 3

摘要

使用旋转探针结合ECG门控技术,作者获得经胸数据集(每个ECG周期20张图像,旋转9-18次)。本研究的目的是自动左心室(LV)重建(3D+t)为以后的诊断。重建过程中的一个主要阶段是移动壁面边界的检测。在此,作者提出了一种基于预先计算的心脏位移场模型的方法,以结合活动轮廓来指导检测过程。在学习阶段获得的数值模型也可以用于诊断。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Expert-model based 3D reconstruction of the beating left ventricle using echographic images
Using a rotating probe combined with an ECG gating technique the authors acquire transthoracic datasets (20 Images per ECG cycle for 9-18 rotations). The aim of this research is the automated left ventricle (LV) reconstruction (3D+t) for later diagnoses. One of the main stages during the reconstruction process is the detection of the moving wall boundaries. Here, the authors propose an approach based on a pre-calculated model of the displacement field of the heart to guide the detection process in combination with active contours. The numerical model obtained during a learning phase can later be used for diagnoses as well.
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