图像获取与重建中影像组学特征可重复性的研究进展

Research progress on the reproducibility of radiomic features in image acquisition and reconstruction

影像组学研究分析的主要对象是影像组学特征,其可重复性受到多种因素的影响,从而影响最终建模的准确性。而图像获取与重建作为影像组学研究的起始步骤,对整个研究起着至关重要的作用,其中涉及的多种扫描参数会对影像组学特征的可重复性产生不同的影响。主要介绍影像组学特征分类,明确影像组学特征的可重复性的重要性及特征选择的方法,并对CT和MRI图像获取与重建过程中对影像组学特征可重复性的影响因素及进展进行综述。

The main object of radiomic research and analysis is the radiomic features,and its reproducibility is affected by many factors,thus affecting the accuracy of the final modeling.Image acquisition and reconstruction,as the initial steps of radiomic research,plays a vital role in the whole study.The multiple scanning parameters involved will have different effects on the reproducibility of radiomic features.This article mainly introduces the classification of radiomic features,clarifies the importance of the reproducibility of radiomic features and the method of feature selection,and reviews the influencing factors and progress on the reproducibility of the radiomic features in the acquisition and reconstruction of CT and MRI images.