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

YTHDF1 Promotes Gastric Carcinogenesis by Controlling Translation of <i>FZD7</i>.

Cancer research·2020
Same author

[Safety comparison of omalizumab and glucocorticoid in rush allergen immunotherapy].

Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery·2020
Same author

Experimental demonstration of nanophotonic devices and circuits with colloidal quantum dot waveguides.

Optics express·2020
Same author

Potential metabolic monitoring indicators of suicide attempts in first episode and drug naive young patients with major depressive disorder: a cross-sectional study.

BMC psychiatry·2020
Same author

Signalling input from divergent pathways subverts B cell transformation.

Nature·2020
Same author

Improved Ion Transport and High Energy Conversion through Hydrogel Membrane with 3D Interconnected Nanopores.

Nano letters·2020

相关实验视频

Updated: Jan 11, 2026

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

13.9K

基于双接触约束的校准方法,用于使用球体目标的直线结构光视觉传感器.

Mingwei Shao, Weihao Kong, Jianjun Chen

    Optics express
    |November 11, 2025
    PubMed
    概括
    此摘要是机器生成的。

    本研究介绍了一种用于线结构光视觉传感器的新型球体目标校准方法. 该技术实现了高精度 (0.014mm/0.017mm) 并可以同步确定相机内在参数.

    更多相关视频

    Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration
    07:03

    Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration

    Published on: February 23, 2017

    8.0K
    Determining 3D Flow Fields via Multi-camera Light Field Imaging
    14:25

    Determining 3D Flow Fields via Multi-camera Light Field Imaging

    Published on: March 6, 2013

    17.1K

    相关实验视频

    Last Updated: Jan 11, 2026

    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

    13.9K
    Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration
    07:03

    Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration

    Published on: February 23, 2017

    8.0K
    Determining 3D Flow Fields via Multi-camera Light Field Imaging
    14:25

    Determining 3D Flow Fields via Multi-camera Light Field Imaging

    Published on: March 6, 2013

    17.1K

    科学领域:

    • 计量学和测量科学 计量学和测量科学
    • 计算机视觉和图像处理
    • 机器人和自动化机器人与自动化

    背景情况:

    • 对线结构光视觉传感器的准确校准对于3D重建至关重要.
    • 现有的方法往往面临着精度和复杂性的挑战.
    • 球体目标具有独特的几何特性,有利于校准.

    研究的目的:

    • 建议和验证使用球体目标的直线结构光视觉传感器的新校准方法.
    • 为了实现高精度的3D坐标提取和摄像机参数确定.
    • 通过几何约束来消除视角投影错误.

    主要方法:

    • 使用具有已知半径的球体目标,放置在多个位置.
    • 从球的轮中提取特征点,以适应投射的圆.
    • 使用几何性质计算光条,消失线和光平面正常向量.
    • 使用一个代优化算法 (Levenberg-Marquardt) 精确确定3D坐标.
    • 在使用超过三个球体位置时同步确定相机内在参数.

    主要成果:

    • 在230mm x 180mm的测量区域内,达到0.014mm/0.017mm的校准精度.
    • 已证明可以消除视角投影错误.
    • 确认了光平面的完整表达.
    • 通过模拟和物理实验展示了其强度和准确性.

    结论:

    • 拟议的球体目标校准方法对于直线结构光视觉传感器是非常精确和有效的.
    • 该方法通过利用几何特性和代优化来简化校准并提高准确性.
    • 可以同步确定相机内在参数,进一步提高系统的实用性.