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

Positron Emission Tomography01:29

Positron Emission Tomography

6.2K
Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
6.2K

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

Mitochondrial Transport in Bone Metabolism Homeostasis: Molecular Mechanisms and Targeted Therapeutic Strategies.

International journal of molecular sciences·2026
Same author

Superconducting phase diagram of multilayer square-planar nickelates.

Science (New York, N.Y.)·2026
Same author

Disentangling Electronic and Strain Effects in Core-Shell Pd@Pt Catalysts.

Journal of the American Chemical Society·2026
Same author

Muscular fiber properties and multi-omics investigation of larval and adult locomotor muscle in Microhyla fissipes.

Comparative biochemistry and physiology. Part D, Genomics & proteomics·2026
Same author

Evaluating early vs. late static SUVR windows of [¹⁸F]MK-6240 tau PET in Alzheimer disease: a head-to-head comparison study.

European journal of nuclear medicine and molecular imaging·2026
Same author

BMAL1 Proteostasis, Circadian Dysfunction, and Ferroptotic Vulnerability in Osteoporosis: Current Evidence and Experimental Priorities.

Calcified tissue international·2026
Same journal

Poisoning the Genome: Targeted Backdoor Attacks on DNA Foundation Models.

ArXiv·2026
Same journal

Mechanistic mathematical model of the in vitro infection dynamics of Bunyamwera and Batai viruses including MOI-dependent shortening of the eclipse phase.

ArXiv·2026
Same journal

AI-Driven Lumped-Element Modeling of Human Respiratory System for Studying Voice Mechanics.

ArXiv·2026
Same journal

Beyond Algorithms: Conceptual Innovation in Medical Imaging AI.

ArXiv·2026
Same journal

Feynman Kac Reweighted Schrödinger Bridge Matching for Surface-Based Tau PET Harmonization.

ArXiv·2026
Same journal

Agentic Discovery of Non-Canonical Antimicrobial Peptides with AMPGAN v3.

ArXiv·2026
查看所有相关文章

相关实验视频

Updated: May 5, 2026

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
10:16

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

Published on: February 8, 2014

12.4K

基于物理的反向染框架用于PET图像重建

Yixin Li, Soroush Shabani Sichani, Zipai Wang

    ArXiv
    |September 5, 2025
    PubMed
    概括
    此摘要是机器生成的。

    我们介绍了一种新型的反向染 (IR) 框架,用于正电子发射断层扫描 (PET) 图像重建. 这种基于物理的方法提高了图像质量和诊断准确性,优于现有的幻影和临床研究方法.

    更多相关视频

    Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
    12:32

    Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans

    Published on: September 27, 2020

    8.8K
    Author Spotlight: Standardizing Mouse In Vivo PET Imaging with Body Conforming Molds and Automated Analysis
    07:45

    Author Spotlight: Standardizing Mouse In Vivo PET Imaging with Body Conforming Molds and Automated Analysis

    Published on: October 25, 2024

    485

    相关实验视频

    Last Updated: May 5, 2026

    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
    10:16

    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

    Published on: February 8, 2014

    12.4K
    Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
    12:32

    Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans

    Published on: September 27, 2020

    8.8K
    Author Spotlight: Standardizing Mouse In Vivo PET Imaging with Body Conforming Molds and Automated Analysis
    07:45

    Author Spotlight: Standardizing Mouse In Vivo PET Imaging with Body Conforming Molds and Automated Analysis

    Published on: October 25, 2024

    485

    科学领域:

    • 医学成像
    • 计算机图形
    • 计算物理

    背景情况:

    • 在计算机图形中的反向问题中,可区分染是至关重要的.
    • 需要对光子传输进行准确的建模.
    • 现有的方法可能缺乏物理解释性和优化效率.

    研究的目的:

    • 开发基于物理的反向染 (IR) 框架用于PET图像重建.
    • 为了提高PET图像分析,利用可差染原理.
    • 在PET成像中改善信号与噪声比率和组织对比度.

    主要方法:

    • 集成的蒙特卡洛采样与分析投影仪进行前置染.
    • 采用自动差异化以获得优化的声量级梯度.
    • 使用Jit平台进行高效的梯度计算.
    • 实现了最大概率预期最大化 (MLEM) 算法.

    主要成果:

    • 与CASToR相比,IR框架实现了更高的信号噪声比率和更好的图像质量.
    • 临床评估显示海马体标准化吸收值比率 (SUVR) 和灰白质比率 (GWR) 较高.
    • 在阿尔茨海默病的评估中显示有增强的组织对比度.

    结论:

    • 拟议的IR框架为高准确性PET图像重建提供了一个物理可解释和可扩展的平台.
    • 该方法在幻影和临床大脑PET数据中表现出强的表现.
    • 在神经退行性疾病中提供更准确的疾病分期和局部化潜力.