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相关概念视频

Confocal Fluorescence Microscopy01:16

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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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Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...
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相关实验视频

Updated: Jul 12, 2025

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
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一种基于双线组合结构光的三维视觉测量方法.

Mingze Wang1, Qiucheng Sun2, Changbo Gao1

  • 1College of Computer Science and Technology, Changchun Normal University, Changchun, 130032, China.

Scientific reports
|November 1, 2023
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概括

本研究介绍了一种新的结构光视觉方法,用于精确的3D对象重建. 该技术使用扫描激光平面和定位激光平面进行精确的表面形状测量.

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科学领域:

  • 光学和光子学 在光学和光子学.
  • 计算机视觉 计算机视觉
  • 计量学 计量学 计量学

背景情况:

  • 结构化的光视觉对于3D重建至关重要.
  • 现有的方法往往需要复杂的校准和运动控制.
  • 对于动态测量场景,需要实时调整.

研究的目的:

  • 提出一种新的结构光视觉测量方法.
  • 为了实现精确的3D重建与实时校准.
  • 为了克服扫描方向和步骤决定的局限性.

主要方法:

  • 一个扫描激光平面沿着轨道滑动,与定位激光平面保持交叉点.
  • 使用几何 barycenter 和投影方法实现实时校准.
  • 激光平面方程为每一个新位置动态重新校准.

主要成果:

  • 该方法成功地执行对象的3D重建.
  • 通过测量标尺块的测量来验证准确性.
  • 展示了对象表面形状的精确和稳定的3D重建.

结论:

  • 提出的结构光视觉方法提供了准确而稳定的3D表面重建.
  • 实时校准可提高测量效率和精度.
  • 这种技术为对象形状测量提供了强大的解决方案.