人工智能在医学CT图像重建中的研究进展

被引:15
作者
李青
李润睿
强彦
成煜斌
王涛
机构
[1] 太原理工大学信息与计算机学院
基金
国家自然科学基金重大项目;
关键词
人工智能; 计算机断层扫描; 图像重建; 深度学习; 投影域; 图像域; 双域网络;
D O I
暂无
中图分类号
R814.42 [电子计算机扫描]; TP18 [人工智能理论]; TP391.41 [];
学科分类号
100106 [放射医学]; 140502 [人工智能];
摘要
计算机断层扫描成像(CT)是临床医学中广泛使用的一种医学图像,它可以清晰地可视化人体内部精细结构细节。在临床操作中,为防止患者暴露在高辐射X射线束下引起组织受损,通常最小化X射线以获得CT图像,但会导致成像质量严重下降。为解决上述矛盾,如何重建出符合临床需求的CT图像是国内外研究者广泛关注的、具有挑战性的难点问题。随着人工智能领域深度学习技术的蓬勃发展,在大数据驱动下,利用深度学习技术来提升CT重建质量成为当前研究热点。本文分析了CT图像重建机理;总结了现有重建模型并梳理了重建方法的优劣势,根据深度学习方法的成像过程,将现有方法分为4大类,并依次介绍4类方法的基本思想,总结了重建方法优缺点;归纳了目前公开的公共数据集以及增加训练样本方法,并对损失函数的多样性进行对比分析;讨论了该新兴领域目前仍然存在的问题,展望了后续研究中需要解决的关键问题,以便于相关研究人员了解CT重建领域的研究现状,促进该领域的长足发展。
引用
收藏
页码:1 / 16
页数:16
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