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

Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

1.0K
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
1.0K
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

814
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
814
Kinematic Equations for Rotation01:30

Kinematic Equations for Rotation

953
In mechanics, when one observes a rigid body in rotational motion with constant angular acceleration, it is possible to establish equations for its rotational kinematics. This process resembles how linear kinematics are dealt with in simpler motion studies.
For instance, imagine a point A on a rigid body engaged in circular motion. The translational velocity of this particular point can be calculated by taking the time derivatives of the displacement equation, which essentially measures the...
953
Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

663
Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the...
663
Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

999
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
999
Relative Motion Analysis using Rotating Axes - Acceleration01:22

Relative Motion Analysis using Rotating Axes - Acceleration

955
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame. The absolute velocity of point B is determined by adding the absolute velocity of point A, the relative velocity of point B in the rotating frame, and the effects caused by the angular velocity within the rotating frame.
Time differentiation is...
955

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

Corrigendum to 'The effects of acetamiprid exposure on osteoporosis: inducing imbalanced bone remodeling by disrupting the equilibrium of adipogenic/osteoblast/osteoclast differentiation' [J Hazard Mater 510 (2026) 142097].

Journal of hazardous materials·2026
Same author

rRNA intermediates associate with nucleolar reshaping in C. elegans.

Nucleic acids research·2026
Same author

Association of ACEIs/ARBs treatment with clinical outcomes in acute kidney injury: a multicenter retrospective cohort analysis.

BMC pharmacology & toxicology·2026
Same author

A Geometric Framework for Absolute Pose and Velocity Estimation With Event Cameras.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2026
Same author

Human-AI collaboration for dysphagia rehabilitation from effectiveness to implementation complexity: a systematic review.

NPJ digital medicine·2026
Same author

Identification of a novel c.325T>G variant on the ABO*B.01 allele associated with a B<sub>3</sub> phenotype.

Transfusion·2026

相关实验视频

Updated: Mar 14, 2026

Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
09:41

Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping

Published on: April 21, 2023

2.3K

一个完整的解决方案,从亲属对应的一般化相对位置估计的完整解决方案.

Banglei Guan, Ji Zhao, Laurent Kneip

    IEEE transactions on pattern analysis and machine intelligence
    |March 12, 2026
    PubMed
    概括

    本研究介绍了最小的解决方案,用于估计相机相对位置,使用两个亲缘对应 (AC),改善计算机视觉任务在多摄像头系统. 这些新方法在自动驾驶等应用中是高效和有效的.

    科学领域:

    • 计算机视觉 计算机视觉
    • 几何计算机视觉 几何计算机视觉
    • 机器人技术 机器人技术 机器人技术

    背景情况:

    • 亲缘对应 (AC) 越来越多地用于计算机视觉,比点对应 (PC) 有优势.
    • 一个单一的AC通常为相对姿势估计提供三个约束.
    • 多视角摄像系统对于自动驾驶汽车和增强现实至关重要.

    研究的目的:

    • 开发用于6DoF相对立场估计的第一个全面的最小解决方案套件,在多摄像头系统中只使用两个AC.
    • 为了满足在有限对应的场景中对强大的模型适配的需求.
    • 为了提高计算效率和解决方案的紧性在相对立场估计.

    主要方法:

    • 在两个视图中对两个AC的所有配置进行分析.
    • 为所有已识别的最小案例开发最小的解决方案.
    • 使用隐藏变量技术来消除翻译参数.
    • 使用凯利参数或四次元来表示旋转.
    • 引入广义相对论的新约束构成了问题.

    主要成果:

    • 拟议的方法提供了一套全面的最小解决方案,用于使用两个AC估计6DoF相对立场.
    • 对于两个AC的所有最小配置,Solvers是导出的.

    更多相关视频

    A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers
    12:39

    A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers

    Published on: January 18, 2020

    8.3K
    Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
    06:09

    Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography

    Published on: March 12, 2021

    3.9K

    相关实验视频

    Last Updated: Mar 14, 2026

    Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
    09:41

    Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping

    Published on: April 21, 2023

    2.3K
    A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers
    12:39

    A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers

    Published on: January 18, 2020

    8.3K
    Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
    06:09

    Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography

    Published on: March 12, 2021

    3.9K
  • 新的约束导致了更紧的解决方案,解决方案较少.
  • 在合成和现实数据上的实验验证证证了高效率和计算效率.
  • 结论:

    • 在多摄像头系统中,基于亲缘对应的解决方案提供了强大而高效的解决方案,用于对应姿势的估计.
    • 开发的最小解析器对于计算机视觉中的强大的几何计算是有价值的.
    • 这项工作推进了对自动驾驶和增强现实等应用的相对位置估计的最新技术.