Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Performance of Dual-Layer Flat-Panel Detectors.

Diagnostics (Basel, Switzerland)·2025
Same author

Measurements of the noise power spectrum for digital x-ray imaging devices.

Physics in medicine and biology·2023
Same author

Conditional Covariances for the Signal Lag Measurements in Fluoroscopic Imaging.

Diagnostics (Basel, Switzerland)·2022
Same author

Using deep learning for pixel-defect corrections in flat-panel radiography imaging.

Journal of medical imaging (Bellingham, Wash.)·2021

相关实验视频

Updated: Jun 5, 2025

Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities
07:13

Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities

Published on: October 27, 2023

1.1K

对于双层平板探测器的两步图像注册

Dong Sik Kim1, Dayeon Lee1

  • 1Department of Electronics Engineering, Hankuk University of Foreign Studies, Gyeonggi-do, Yongin-si 17035, Republic of Korea.

Diagnostics (Basel, Switzerland)
|December 17, 2024
PubMed
概括

这项研究引入了一种新的双层平板探测器 (DFD) 在放射学中的两步注册方法. 该方法显著提高了侦探量子效率 (DQE),提高了诊断准确度,特别是在低辐射剂量下.

科学领域:

  • 医学成像物理 医学成像物理
  • 放射性探测器技术 放射性探测器技术

背景情况:

  • 双层平面探测器 (DFD) 提供光谱成像和高效的X射线光子利用,以提高探测量子效率 (DQE).
  • 对于DFDs的传统注册方法表现出可变的准确性和因插值而受到影响的频率性能.

研究的目的:

  • 介绍一种新的两步注册方法,用于DFDs的X射线图像.
  • 通过解决图像注册中的空间转换和尺寸因素来提高DQE性能.

主要方法:

  • 一个两步的注册过程,涉及子像素空间转换,使用福里埃移位定理和立方插值进行尺度转换.
  • 估计子像素空间转换使用最大幅度方法与斜边幻影.

主要成果:

  • 拟议的方法表明,与DFDs的传统技术相比,更优越的注册.
  • 实验验证显示,在RQA 9条件下,与单一平板探测器相比,DQE在RQA 9条件下改善了56%以上.
  • 该方法已成功应用于记录胸部X射线图像.

结论:

  • 两步注册方法有效地将DFD中的图像对对齐.
  • 这种对齐提高了DQE的性能,特别是在低辐射剂量下.
关键词:
凸的组合图像图像的凸组合.侦探量子效率的研究人员.双层平板探测器 (DFD) 是一种双层平板探测器.图像注册 图像注册 图像注册

更多相关视频

Author Spotlight: Comparative Imaging of Neural Activity in Awake and Freely Moving States
06:25

Author Spotlight: Comparative Imaging of Neural Activity in Awake and Freely Moving States

Published on: January 19, 2024

921
Author Spotlight: Introducing the Tile/SED/Array Interface for Rapid Field of View Positioning in Tissue Imaging
06:15

Author Spotlight: Introducing the Tile/SED/Array Interface for Rapid Field of View Positioning in Tissue Imaging

Published on: September 15, 2023

402

相关实验视频

Last Updated: Jun 5, 2025

Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities
07:13

Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities

Published on: October 27, 2023

1.1K
Author Spotlight: Comparative Imaging of Neural Activity in Awake and Freely Moving States
06:25

Author Spotlight: Comparative Imaging of Neural Activity in Awake and Freely Moving States

Published on: January 19, 2024

921
Author Spotlight: Introducing the Tile/SED/Array Interface for Rapid Field of View Positioning in Tissue Imaging
06:15

Author Spotlight: Introducing the Tile/SED/Array Interface for Rapid Field of View Positioning in Tissue Imaging

Published on: September 15, 2023

402
  • 改进的DQE有助于提高临床诊断的准确性.