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相关概念视频

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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相关实验视频

Updated: Jun 28, 2025

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
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High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

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基于纹理调制反射方法的结构光3D系统的相位误差减少.

Chenbo Shi1, Zheng Qin1, Xiaowei Hu2

  • 1College of Intelligent Equipment, Shandong University of Science and Technology, Tai'an 271019, China.

Sensors (Basel, Switzerland)
|April 13, 2024
PubMed
概括
此摘要是机器生成的。

本研究介绍了一种再投影策略,用于改进使用边缘投影特征测量 (FPP) 的3D光学测量. 该方法有效地减少了纹理边缘的相位误差,提高了3D重建的准确性.

关键词:
这是一个相位错误的错误.阶段转移方法的阶段转移方法.在这个过程中,他们反驳,责备.场景调制模拟的场景调制.质地 边缘 纹理

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科学领域:

  • 光学计量学 在光学计量学
  • 3D成像是3D成像中的一种.
  • 计算机视觉 计算机视觉

背景情况:

  • 边缘投射造型测量 (FPP) 是一种精确的3D光学测量技术.
  • 反射边缘的纹理和失焦导致FPP中的显著相位错误.
  • 现有的模型在纹理边界处与非理想的像素亮度作斗争.

研究的目的:

  • 开发一种新的策略,使用FPP准确地进行3D重建.
  • 解决和消除由场景纹理和系统失焦引起的相位错误.
  • 为了提高FPP测量在具有挑战性的纹理边缘的精度.

主要方法:

  • 对纹理边缘的非像素阶段传播模型的理论分析.
  • 基于场景纹理调制的再投影策略的建议.
  • 生成重投影重量面罩和调制条纹图案以消除错误.
  • 粗和精细相位图的融合,用于准确的相位生成.

主要成果:

  • 拟议的再投影策略有效地减轻了纹理边缘效应.
  • 在光滑,深度和曲表面的实验验证表明了显著的改进.
  • 纹理边缘的根平均平方误差 (RMSE) 减少了53.32%.

结论:

  • 重投影策略显著提高了FPP的准确性.
  • 该方法有效地消除了纹理边缘的深度错误.
  • 这种方法在具有复杂表面纹理的场景中推进了精确重建.