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

Neural Control of Respiration01:18

Neural Control of Respiration

2.4K
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
2.4K
Respiratory Volumes01:15

Respiratory Volumes

1.5K
Respiratory volumes are crucial metrics, meticulously measured to quantify the air exchanged in and out of the lungs during various phases of the breathing cycle. These precise measurements are vital for assessing lung function, diagnosing respiratory conditions, and monitoring overall respiratory health. Each parameter provides specific insights into the mechanics of breathing and the functional capacity of the lungs.
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
1.5K
Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

958
The lower respiratory tract is anatomically composed of several vital structures, including the larynx, trachea, bronchial tree, alveoli, lungs, and pleurae. Each component has a specific function, and all are intricately connected to ensure efficient respiration.
The Larynx
It is located between the pharynx and the trachea, acts as a passageway for air, and hosts several critical structures, such as the epiglottis, vocal cords, and glottis. The epiglottis acts as a gateway, guiding food to the...
958
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

1.5K
The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract....
1.5K
Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

219
Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the...
219
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

460
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
460

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

Development and external validation of a FDG PET-based radiomics model predicting occult lymph node metastasis in non-small cell lung cancer patients.

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

AFSOS-SFRO Guidelines on Radiation-Induced Lung Injury.

Clinical lung cancer·2025
Same author

Efficient Multi-Material Volume Rendering for Realistic Visualization with Complex Transfer Functions.

Journal of imaging·2025
Same author

3-year overall survival benefit of systematic follow-up with 18F-FDG PET/CT in asymptomatic patients treated for head and neck squamous cell carcinoma: a multicenter study.

European journal of nuclear medicine and molecular imaging·2025
Same author

Radiotherapy in the management of lung oligometastases.

Cancer radiotherapie : journal de la Societe francaise de radiotherapie oncologique·2024
Same author

[Last year of residency for radiation oncologists in France: Overview and perspectives].

Cancer radiotherapie : journal de la Societe francaise de radiotherapie oncologique·2023

相关实验视频

Updated: Jun 29, 2025

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance
06:26

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance

Published on: September 27, 2024

465

使用联合监督和对抗学习的CT呼吸运动合成.

Y-H Cao1, V Bourbonne1,2, F Lucia1,2

  • 1LaTIM, UMR Inserm 1101, Université de Bretagne Occidentale, IMT Atlantique, Brest, France.

Physics in medicine and biology
|March 27, 2024
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种深度学习方法,用于创建模拟呼吸运动的合成CT扫描,从而减少放射治疗规划中的辐射暴露. 生成的扫描图准确地代表了器官和瘤的运动,与传统的4DCT扫描相比.

关键词:
没有了,没有了,没有了.动态成像图像处理系统图像合成 图像合成辐射疗法 辐射疗法呼吸运动是呼吸的运动.

更多相关视频

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm
06:53

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm

Published on: July 23, 2020

5.6K
Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography
09:42

Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography

Published on: January 24, 2025

511

相关实验视频

Last Updated: Jun 29, 2025

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance
06:26

Author Spotlight: Exploring Breathing Techniques and Digital Solutions for Enhancing Running Performance

Published on: September 27, 2024

465
Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm
06:53

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm

Published on: July 23, 2020

5.6K
Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography
09:42

Acquisition and Semi-Automated Analysis of Respiratory Muscle Surface Electromyography

Published on: January 24, 2025

511

科学领域:

  • 医疗成像医学成像
  • 辐射疗法 辐射疗法
  • 深度学习 (Deep Learning) 是一种深度学习.

背景情况:

  • 四维计算机断层扫描 (4DCT) 追踪器官和瘤运动用于放射治疗计划,但增加了复杂性和辐射剂量.
  • 目前的4DCT方法可能与患者在治疗期间的呼吸不完全一致,这会影响准确性.

研究的目的:

  • 开发一种深度合成方法,从静态图像中生成伪呼吸CT相,用于运动感知放射治疗计划.
  • 为了减少与传统4DCT相关的辐射暴露和协议复杂性.

主要方法:

  • 一个深度合成模型生成患者特定的变形向量场 (DVF),条件是基于表面的运动估计.
  • 监督的DVF训练和对扭曲图像和DVF大小的对抗性损失确保了现实性和呼吸相关性.
  • 该方法避免了经常在无监督深度学习方法中看到的过度平滑.

主要成果:

  • 生成的伪呼吸CT相准确地捕捉器官和瘤运动,与重复的4DCT扫描相比.
  • 瘤质中心距离 (1.97毫米对比2.35毫米) 和Dice相似系数 (0.63对比0.71) 显示了合成对比真实4DCT的有利结果.
  • 性能与最先进的技术 (RMSim) 相比比较好.

结论:

  • 拟议的深度图像合成方法有效地从静态图像中生成伪呼吸CT相,解决4DCT的局限性.
  • 这种方法有可能在放射治疗规划中减少辐射暴露,同时保持准确的运动表现.
  • 需要进一步的研究来评估剂量计影响.