相关实验视频

Updated: Feb 1, 2026

Simultaneous PET/MRI Imaging During Mouse Cerebral Hypoxia-ischemia
10:35

Simultaneous PET/MRI Imaging During Mouse Cerebral Hypoxia-ischemia

Published on: September 20, 2015

12.8K

使用深度扩散图像进行PET图像重建 之前的图像

Fumio Hashimoto, Kuang Gong

    IEEE transactions on medical imaging
    |January 30, 2026
    PubMed
    概括

    这项研究引入了一个解剖学预先引导扩散模型用于正子发射断层扫描 (PET) 图像重建. 该方法有效地产生高质量的PET图像跨不同的标记物,即使低剂量数据.

    更多相关视频

    Functional Imaging of Brown Fat in Mice with 18F-FDG micro-PET/CT10:53

    Functional Imaging of Brown Fat in Mice with 18F-FDG micro-PET/CT

    Published on: November 23, 2012

    19.8K
    Visualization and Quantification of Brown and Beige Adipose Tissues in Mice using [18F]FDG Micro-PET/MR Imaging08:31

    Visualization and Quantification of Brown and Beige Adipose Tissues in Mice using [18F]FDG Micro-PET/MR Imaging

    Published on: July 1, 2021

    3.5K

    相关概念视频

    Diffusion01:12

    Diffusion

    Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...
    218.5K
    Diffusion01:21

    Diffusion

    Diffusion is a type of passive transport. In passive transport, a substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. For example, take the diffusion of substances through the air. When someone opens a perfume bottle in a room filled with people, the perfume is at its highest concentration in the bottle and is at its lowest at the edges of the room. The perfume vapor will diffuse, or spread away, from the...
    6.4K
    Imaging Studies VII: Vascular Imaging01:19

    Imaging Studies VII: Vascular Imaging

    DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
    370
    X-ray Imaging01:24

    X-ray Imaging

    German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
    10.2K
    Brain Imaging01:14

    Brain Imaging

    Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
    These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...
    741
    Imaging Studies IV: Magnetic Resonance Imaging01:27

    Imaging Studies IV: Magnetic Resonance Imaging

    Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
    278