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

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

Interpreting Modulation Transfer Function in Endoscopic Imaging: Spatial-Frequency Conversion Across Imaging Spaces and the Digital Image Domain with Case Studies.

Sensors (Basel, Switzerland)·2026
Same author

Blood-mimicking dye phantoms for evaluating photoacoustic oximetry accuracy.

Photoacoustics·2026
Same author

Evaluating the Performance of Hyperspectral Imaging Endoscopes: Mitigating Parameters Affecting Spectral Accuracy.

Biosensors·2025
Same author

Development and characterization of silicone-based tissue phantoms for pulse oximeter performance testing.

Journal of biomedical optics·2025
Same author

Best Practices for Measuring the Modulation Transfer Function of Video Endoscopes.

Sensors (Basel, Switzerland)·2024
Same author

Impact of signal-to-noise ratio and contrast definition on the sensitivity assessment and benchmarking of fluorescence molecular imaging systems.

Journal of biomedical optics·2024

相关实验视频

Updated: May 31, 2025

Applying Hyperspectral Reflectance Imaging to Investigate the Palettes and the Techniques of Painters
07:05

Applying Hyperspectral Reflectance Imaging to Investigate the Palettes and the Techniques of Painters

Published on: June 18, 2021

2.3K

评估高光谱成像摄像机可靠光谱性能评估的规范化方法.

Siavash Mazdeyasna1, Mohammed Shahriar Arefin1, Andrew Fales1

  • 1Center for Devices and Radiological Health, U.S. Food and Drug Administration, Silver Spring, MD 20993, USA.

Biosensors
|January 24, 2025
PubMed
概括

数据规范化方法可以通过减少照明等因素的变化来改善超光谱成像 (HSI) 摄像机评估. 标准的正常变量方法在医疗应用中显示出一致的性能测试的前景.

关键词:
偏见 偏见 偏见 偏见 偏见集中集中的中心化相关系数的相关系数超光谱内镜检查是一种超光谱内镜检查.线性转换的线性转换医学高光谱成像技术非线性转换的非线性转换规范化的正常化.反射频谱的反射频谱是什么根的平均平方误差.缩放,扩展,扩展

更多相关视频

Measuring Spatially- and Directionally-varying Light Scattering from Biological Material
11:57

Measuring Spatially- and Directionally-varying Light Scattering from Biological Material

Published on: May 20, 2013

13.2K
ARL Spectral Fitting as an Application to Augment Spectral Data via Franck-Condon Lineshape Analysis and Color Analysis
07:11

ARL Spectral Fitting as an Application to Augment Spectral Data via Franck-Condon Lineshape Analysis and Color Analysis

Published on: August 19, 2021

2.4K

相关实验视频

Last Updated: May 31, 2025

Applying Hyperspectral Reflectance Imaging to Investigate the Palettes and the Techniques of Painters
07:05

Applying Hyperspectral Reflectance Imaging to Investigate the Palettes and the Techniques of Painters

Published on: June 18, 2021

2.3K
Measuring Spatially- and Directionally-varying Light Scattering from Biological Material
11:57

Measuring Spatially- and Directionally-varying Light Scattering from Biological Material

Published on: May 20, 2013

13.2K
ARL Spectral Fitting as an Application to Augment Spectral Data via Franck-Condon Lineshape Analysis and Color Analysis
07:11

ARL Spectral Fitting as an Application to Augment Spectral Data via Franck-Condon Lineshape Analysis and Color Analysis

Published on: August 19, 2021

2.4K

科学领域:

  • 医疗成像医学成像
  • 频谱学是一种光谱学.

背景情况:

  • 超光谱成像 (HSI) 提供空间和光谱数据,对于医学诊断至关重要.
  • 由于光源,距离和角度的变化,HSI摄像头的定量评估是很困难的.
  • 对于可靠的HSI设备性能评估,需要标准化的测试方法.

研究的目的:

  • 评估数据规范化方法,以尽量减少HSI摄像机性能测试中的变化.
  • 评估不同规范化技术在标准化HSI摄像机评估中的有效性.
  • 为医疗HSI设备提供强大,通用的测试方法提供基础.

主要方法:

  • 使用高分辨率的HSI摄像头和两个光源测量分散目标的反射频谱.
  • 应用了九种不同的数据规范化方法 (例如,标准正常变量),随后进行了统一的缩放.
  • 将规范化光谱与制造商的参考光谱进行比较,以评估方法的性能.

主要成果:

  • 规范化方法可以减轻某些因素对HSI摄像头评估的影响.
  • 标准化方法的性能不同;使用全谱数据 (例如,标准正常变量) 的表现更好,尤其是噪音频谱.
  • 规范化的光谱测量似乎更适合临床诊断,而不是绝对反射度测量.

结论:

  • 规范化对标准化HSI摄像机性能评估有好处.
  • 标准的正常变量和类似的方法对于强大的HSI测试是有效的.
  • 这些发现支持开发标准化HSI设备测试,以改善癌症早期检测等医疗应用.