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相关概念视频

Distance Corrections01:15

Distance Corrections

284
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
284
Power Factor Correction01:20

Power Factor Correction

535
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
535
¹H NMR: Interpreting Distorted and Overlapping Signals01:02

¹H NMR: Interpreting Distorted and Overlapping Signals

1.5K
Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are...
1.5K
Heat and Free Expansion01:24

Heat and Free Expansion

2.9K
The work done by a thermodynamic system depends not only on the initial and final states but also on the intermediate states—that is, on the path. Like work, when heat is added to a thermodynamic system, it undergoes a change of state, and the state attained depends on the path from the initial state to the final state. Consider an ideal gas cylinder fitted with a piston. When the cylinder is heated at a constant temperature, the gas molecules absorb energy and expand slowly in a...
2.9K
Thermal Expansion01:22

Thermal Expansion

5.7K
The expansion of alcohol in a thermometer is one of many commonly encountered examples of thermal expansion, which is the change in size or volume of a given system as its temperature changes. The most visible example is the expansion of hot air. When air is heated, it expands and becomes less dense than the surrounding air, which then exerts an upward force on the hot air to, for example, make steam and smoke rise, and hot air balloons float. The same behavior happens in all liquids and gases,...
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Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

349
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
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相关实验视频

Updated: Jan 30, 2026

High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon
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在扩展显微镜中使用3D-Aligner纠正图像扭曲.

Wan-Yi Hsiao1, Dhaval Ghone1,2, Aussie Suzuki1,2,3

  • 1McArdle Laboratory for Cancer Research, Department of Oncology, University of Wisconsin-Madison, Madison, WI, USA.

Bio-protocol
|January 29, 2026
PubMed
概括
此摘要是机器生成的。

扩展显微镜 (ExM) 中的样本漂移阻碍了3D成像. 我们开发了3D-Aligner软件以计算纠正这种漂移,确保精确的纳米尺度可视化和ExM和其他光显微镜数据集的定量分析.

关键词:
3D重建重建的3D重建3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D-Aligner 3D在3D-Speckler中使用3D-Speckler.计算机成像成像技术漂移纠正 漂移纠正 漂移纠正扩展显微镜 (ExM) 的使用图像分析 图像分析图像扭曲的纠正 图像扭曲的纠正图像的注册 图像的注册

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科学领域:

  • 显微镜和成像技术技术.
  • 生物技术和生物成像技术
  • 计算生物学 计算生物学

背景情况:

  • 扩展显微镜 (ExM) 通过物理扩大样本提供超高分辨率成像,克服纳米生物可视化的衍射极限.
  • 尽管取得了进展,但ExM成像准确性受到采集过程中样本漂移的影响,扭曲了3D重建和定量分析.
  • 现有的方法很难准确地纠正各种ExM数据集中的漂移,其扩展因子和标签各不相同.

研究的目的:

  • 开发和验证用于纠正ExM数据集样本漂移的计算工具.
  • 提高超分辨率显微镜3D重建和定量分析的可靠性.
  • 为ExM和传统光显微镜提供一种易于使用的解决方案.

主要方法:

  • 开发了3D-Aligner,这是一款利用背景特征检测和跨图像堆匹配来确定漂移轨迹的软件.
  • 实现了纳米尺度对齐算法以计算纠正样本运动.
  • 验证了软件在不同扩张因子和光标签的ExM数据集上的性能.

主要成果:

  • 3D-Aligner准确地纠正ExM数据集中的样本漂移,恢复结构忠实度.
  • 该软件在各种扩展因子和标签条件中展示了强大的性能.
  • 3D-Aligner的性能优于传统的注册工具,适用于非ExM光显微镜数据.

结论:

  • 3D-Aligner提供了一个精确且用户友好的解决方案,用于减轻ExM成像中的样本漂移.
  • 这种计算方法使得可靠的3D重建和纳米生物结构的定量评估.
  • 该软件增强了ExM和其他光显微镜技术在先进生物研究中的实用性.