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相关概念视频

Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

920
Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
920

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相关实验视频

Updated: May 3, 2026

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
10:16

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Published on: February 8, 2014

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一种高性能重建方法,用于部分连贯的图形摄影.

Wenhui Xu1, Shoucong Ning2, Pengju Sheng3

  • 1Shenzhen Key Laboratory of Robotics Perception and Intelligence, and the Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China; Paul Scherrer Institut, 5232 Villigen PSI, Switzerland.

Ultramicroscopy
|October 31, 2024
PubMed
概括
此摘要是机器生成的。

一个新的图形图像重建算法提高了成像质量和速度,即使在低连贯性源. 这一突破有利于电子显微镜和微妙样品的X射线成像.

关键词:
部分连贯衍射成像部分连贯衍射成像阶段检索算法 阶段检索算法图形图形 (Ptychography) 是一种图形图形,可以用在图形图形上.

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Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
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Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

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Topographical Estimation of Visual Population Receptive Fields by fMRI
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相关实验视频

Last Updated: May 3, 2026

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
10:16

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

Published on: February 8, 2014

12.2K
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Published on: February 12, 2014

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科学领域:

  • 显微镜和成像科学 显微镜和成像科学
  • 材料科学 材料科学 材料科学
  • 物理 物理学 物理

背景情况:

  • 图解提供了定量,高分辨率的成像,但受到源连贯性的限制.
  • 达到最佳性能需要高连贯流量,通常在实验室环境中不可用.

研究的目的:

  • 开发一种对低连贯性宽容的通用图形图形重建算法.
  • 为了提高各种图形摄影设置的重建质量和融合速度.

主要方法:

  • 一个新的重建算法,旨在实现部分时间和空间连贯性.
  • 该方法不需要先前了解源属性.
  • 与现有的图形图像引擎和混合状态/单色化方法的集成.

主要成果:

  • 通过可见光和电子数据显示了重建质量的显著改善.
  • 与传统方法相比,展示了加速的融合率.
  • 验证了部分连贯性和减少对连贯模式的需求的实际应用.

结论:

  • 开发的算法为低连贯性图形学提供了通用解决方案.
  • 它增强了不同模式的成像能力,包括电子和X射线显微镜.
  • 对成像弱散射样本产生重大影响的潜力.