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

Improving Translational Accuracy02:07

Improving Translational Accuracy

3.7K
3.7K
Improving Translational Accuracy02:07

Improving Translational Accuracy

15.3K
Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
15.3K
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

1.9K
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
1.9K

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

An interpretable cascaded residual iterative network for sparse-view spectral CT imaging.

Quantitative imaging in medicine and surgery·2026
Same author

Accelerating direct material decomposition via diffusion probabilistic model for Sparse-view spectral computed tomography.

Journal of X-ray science and technology·2025
Same author

Visual language model-assisted spectral CT reconstruction by diffusion and low-rank priors from limited-angle measurements.

Physics in medicine and biology·2025
Same author

Sparse-view spectral CT reconstruction via a coupled subspace representation and score-based generative model.

Quantitative imaging in medicine and surgery·2025
Same author

CT image super-resolution under the guidance of deep gradient information.

Journal of X-ray science and technology·2025
Same author

One-step inverse generation network for sparse-view dual-energy CT reconstruction and material imaging.

Physics in medicine and biology·2024

相关实验视频

Updated: Mar 13, 2026

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
09:33

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases

Published on: July 28, 2013

29.4K

视觉语言模型辅助CT通过文本导向扩散和保真性维护进行无声化.

Ye Shen1, Ningning Liang1, Ailong Cai1

  • 1Department of Henan Key Laboratory of Imaging and Intelligent Processing, Information Engineering University, Zhengzhou, China.

Journal of X-ray science and technology
|March 12, 2026
PubMed
概括

一个新的视觉语言模型辅助CT排泄 (VLD) 框架减少了计算机断层扫描 (CT) 扫描中的噪音,而不需要配对数据. 这种方法可以提高图像质量和诊断准确度,使患者的成像更安全.

关键词:
计算机断层扫描 (CT) 是一种计算机断层扫描.扩散模型的扩散模型图像去色化 图像去色化快速的工程迅速的工程视觉语言模型 视觉语言模型

更多相关视频

A Simple, Robust, and High Throughput Single Molecule Flow Stretching Assay Implementation for Studying Transport of Molecules Along DNA
12:05

A Simple, Robust, and High Throughput Single Molecule Flow Stretching Assay Implementation for Studying Transport of Molecules Along DNA

Published on: October 1, 2017

8.7K
Image Processing Protocol for the Analysis of the Diffusion and Cluster Size of Membrane Receptors by Fluorescence Microscopy
12:15

Image Processing Protocol for the Analysis of the Diffusion and Cluster Size of Membrane Receptors by Fluorescence Microscopy

Published on: April 9, 2019

9.3K

相关实验视频

Last Updated: Mar 13, 2026

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
09:33

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases

Published on: July 28, 2013

29.4K
A Simple, Robust, and High Throughput Single Molecule Flow Stretching Assay Implementation for Studying Transport of Molecules Along DNA
12:05

A Simple, Robust, and High Throughput Single Molecule Flow Stretching Assay Implementation for Studying Transport of Molecules Along DNA

Published on: October 1, 2017

8.7K
Image Processing Protocol for the Analysis of the Diffusion and Cluster Size of Membrane Receptors by Fluorescence Microscopy
12:15

Image Processing Protocol for the Analysis of the Diffusion and Cluster Size of Membrane Receptors by Fluorescence Microscopy

Published on: April 9, 2019

9.3K

科学领域:

  • 医疗成像医学成像
  • 人工智能的人工智能
  • 图像处理 图像处理

背景情况:

  • 在计算机断层扫描 (CT) 和光子计数CT (PCCT) 中降低辐射剂量对于患者的安全至关重要.
  • 低剂量CT成像引入噪音,降低图像质量,并可能影响诊断准确性.
  • 目前的无声化方法通常需要配对数据或依赖于特定的噪声假设,限制了临床适用性.

研究的目的:

  • 引入一种新的视觉语言模型辅助CT排泄 (VLD) 框架,以有效地减少CT图像噪声.
  • 利用视觉语言模型的语义理解来改善CT图像恢复.
  • 为了保持低剂量CT图像的诊断准确性和结构完整性.

主要方法:

  • 开发了一个视觉语言模型辅助的CT Denoising (VLD) 框架,利用语义指导.
  • 采用由多式视觉语言模型衍生的语义理解指导的扩散模型.
  • 实施了三域一致性框架,以逐步改进图像细节和结构保存.

主要成果:

  • VLD方法在模拟CT和真实PCCT数据上展示了高质量的重建.
  • 在特定条件下,达到0.95dB和1.21dB的平均峰值信号噪声比改善.
  • 在模拟实验中,超越了需要配对数据的WGAN和FBPConvNet等现有方法.
  • 向新的成像场景展示了强大的概括能力.

结论:

  • VLD框架有效地减少CT图像中的噪声,同时保持诊断质量.
  • 利用视觉语言模型为先进的医学图像拒绝提供了一个有希望的方向.
  • 拟议的方法为低剂量CT消毒提供了强大的和可通用的解决方案,克服了以前方法的局限性.