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

Parallel Resonance01:23

Parallel Resonance

557
The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
557
Parallel Processing01:20

Parallel Processing

713
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
713
Space Trusses01:25

Space Trusses

1.3K
A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. The space truss is widely used in various construction projects due to its adaptability and capacity to withstand complex loads.
At the core of a space truss lies the fundamental unit known as the tetrahedron. This structure is composed of six members that form a three-dimensional shape...
1.3K
State Space Representation01:27

State Space Representation

570
The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
570
Resistors In Parallel01:23

Resistors In Parallel

6.1K
Resistors are in parallel when one end of all the resistors are connected to a continuous wire of negligible resistance and the other end of all the resistors are also connected to one another through a continuous wire of negligible resistance. In the case of a parallel configuration, the potential drop across each resistor is the same. Current through each resistor can be found using Ohm’s law, I = V/R, where the voltage is constant across each resistor. The sum of the individual currents...
6.1K
Series and Parallel Capacitors01:14

Series and Parallel Capacitors

9.3K
Capacitors, fundamental components in electronic circuits, can be connected in series and/or parallel configurations. Each configuration has different impacts on the overall behavior of the circuit.
First, consider capacitors connected in series to a battery. In this configuration, the plate connected to the battery's positive terminal develops a positive charge, while the plate attached to the negative terminal becomes negatively charged. An equal magnitude of charge is induced on the...
9.3K

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

A C57BL/6N mice model of CP/CPPS established by prostate antigen immunization with DPT and BCG co-administration.

Frontiers in immunology·2026
Same author

Adverse events and device malfunctions in robotic thyroidectomy: a decade-long analysis of the MAUDE database.

Journal of robotic surgery·2026
Same author

Assessment of CT quantitative characteristics derived from CT in connective tissue disease-associated interstitial lung disease.

Journal of thoracic disease·2026
Same author

Spatial atlas of human diabetic kidney uncovered podocyte-driven metabolic-inflammatory crosstalk via glycerolipid reprogramming and DUSP4/MMP3 axis.

Fundamental research·2026
Same author

Mechanism of Ganoderma lucidum polysaccharides in the mangement of diabetes and its complications.

Frontiers in pharmacology·2026
Same author

Visible-Light-Induced Dual Iron/Eosin Y Catalysis for Direct Dehydrogenation of Saturated Heterocycles, Alcohols, Esters and Amides.

Organic letters·2026
Same journal

Dimerization-induced conformational transitions of yeast iso-1 cytochrome <i>c</i>.

Magnetic resonance letters·2026
Same journal

NMR insights into the role of urea in cellulose dissolution: A stoichiometric study of cellobiose in NaOH/urea aqueous solution.

Magnetic resonance letters·2026
Same journal

Lighting up β-cell function: Noninvasive MRI of glucose-stimulated Zn<sup>2+</sup> secretion.

Magnetic resonance letters·2026
Same journal

Production of isotope-labeled nanobody KN035 in <i>Pichia pastoris</i> yields native-like conformation and PD-L1 binding activity comparable to KN035 expressed in mammalian cells.

Magnetic resonance letters·2026
Same journal

FlexCENT: A frequency-flexible CEST imaging network combining frequency offset encoding and three-dimensional U-Net.

Magnetic resonance letters·2026
Same journal

Single-scan ultra-selective probing on targeted components from overlapped NMR spectra.

Magnetic resonance letters·2026
查看所有相关文章

相关实验视频

Updated: Jan 31, 2026

Author Spotlight: Advancing 3D Modeling for Enhanced Diagnosis and Treatment of Pulmonary Nodules in Early-Stage Lung Cancer
07:53

Author Spotlight: Advancing 3D Modeling for Enhanced Diagnosis and Treatment of Pulmonary Nodules in Early-Stage Lung Cancer

Published on: October 13, 2023

2.1K

适应式k空间学习和高维子集嵌入用于并行MRI重建.

Zhonghui Wu1, Yuxia Huang1, Yu Guan1

  • 1Department of Electronic Information Engineering, Nanchang University, Nanchang, 330031, China.

Magnetic resonance letters
|January 30, 2026
PubMed
概括
此摘要是机器生成的。

高维子集嵌入 (HDSE) 通过利用结构相似性来加速多对比MRI. 这种方法提高了图像重建的准确性和稳定性,在更快的扫描中减少了运动文物.

关键词:
全球约束全球约束当地的k空间.多对比的MRI是多对比的MRI并行成像并行成像

更多相关视频

Use of Three-Dimensional Imaging Reconstruction Software as a Training Tool for Cranial Vena Cava Venipuncture in the Ferret
04:18

Use of Three-Dimensional Imaging Reconstruction Software as a Training Tool for Cranial Vena Cava Venipuncture in the Ferret

Published on: July 15, 2025

1.1K
Three-Dimensional Reconstruction of Orbital Fractures
08:18

Three-Dimensional Reconstruction of Orbital Fractures

Published on: May 16, 2025

675

相关实验视频

Last Updated: Jan 31, 2026

Author Spotlight: Advancing 3D Modeling for Enhanced Diagnosis and Treatment of Pulmonary Nodules in Early-Stage Lung Cancer
07:53

Author Spotlight: Advancing 3D Modeling for Enhanced Diagnosis and Treatment of Pulmonary Nodules in Early-Stage Lung Cancer

Published on: October 13, 2023

2.1K
Use of Three-Dimensional Imaging Reconstruction Software as a Training Tool for Cranial Vena Cava Venipuncture in the Ferret
04:18

Use of Three-Dimensional Imaging Reconstruction Software as a Training Tool for Cranial Vena Cava Venipuncture in the Ferret

Published on: July 15, 2025

1.1K
Three-Dimensional Reconstruction of Orbital Fractures
08:18

Three-Dimensional Reconstruction of Orbital Fractures

Published on: May 16, 2025

675

科学领域:

  • 医疗成像医学成像
  • 生物医学工程 生物医学工程
  • 图像重建 图像的重建

背景情况:

  • 磁共振成像 (MRI) 采集是耗时的,特别是对于多对比数据.
  • 长时间的获取时间增加了对运动工件的敏感性,降低了图像质量.
  • 多重对比MRI数据具有结构相似性,但具有独特的对比信息.

研究的目的:

  • 开发一种用于加速多对比MRI采集的新方法.
  • 为了提高MRI重建的准确性和稳定性.
  • 为了减少加速MRI扫描中的运动文物.

主要方法:

  • 提出了一种称为高维子集嵌入 (HDSE) 的新方法.
  • HDSE基于以平行成像 (P-LORAKS) 的本地k空间社区的低级建模.
  • 利用了两个独立的通道:一个用于互补的T1-T2 k空间数据融合,另一个用于全球T2加权的k空间数据约束.

主要成果:

  • HDSE有效地捕捉了多个MRI对比之间的结构相关性.
  • 该方法保持图像的一致性,并减少噪声放大.
  • 实验结果显示,图像重建的准确性和稳定性有所提高.

结论:

  • HDSE为加速多对比MRI提供了一种有前途的方法.
  • 该方法通过融合本地子集和适应性全球约束来增强图像重建.
  • HDSE有助于更快,更可靠的MRI数据采集.