相关实验视频

Updated: Jul 13, 2025

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

1.6K

精确的射线投射选择与旋转手势使用6DOF追踪装置

Jiaxin Yu, Weizhi Nai, Xiaoying Sun

    IEEE transactions on visualization and computer graphics
    |October 13, 2023
    PubMed
    概括

    这项研究引入了一种新的旋转手势,用于在3D界面中选择目标,比传统方法提高准确性. 这种方法提高了控制器使用六度自由度 (6-DOF) 的精度.

    更多相关视频

    Author Spotlight: Insights into the Analysis of Human Interaction with 3D Virtual Objects06:36

    Author Spotlight: Insights into the Analysis of Human Interaction with 3D Virtual Objects

    Published on: October 18, 2024

    1.0K
    Three-Dimensional Finger Motion Tracking during Needling: A Solution for the Kinematic Analysis of Acupuncture Manipulation08:27

    Three-Dimensional Finger Motion Tracking during Needling: A Solution for the Kinematic Analysis of Acupuncture Manipulation

    Published on: October 28, 2021

    2.8K

    相关概念视频

    Relative Motion Analysis using Rotating Axes01:25

    Relative Motion Analysis using Rotating Axes

    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...
    472
    Relative Motion Analysis using Rotating Axes-Problem Solving01:29

    Relative Motion Analysis using Rotating Axes-Problem Solving

    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...
    408
    Rotation with Constant Angular Acceleration - II01:16

    Rotation with Constant Angular Acceleration - II

    Kinematics is the description of motion. The kinematics of rotational motion discusses the relationships between rotation angle, angular velocity, angular acceleration, and time. One can describe many things with great precision using kinematics, but kinematics does not consider causes. For example, a large angular acceleration describes a very rapid change in angular velocity without any consideration of its cause. Thus, rotational kinematics does not represent the laws of nature.
    The first...
    6.0K
    Relative Motion Analysis using Rotating Axes - Acceleration01:22

    Relative Motion Analysis using Rotating Axes - Acceleration

    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...
    342
    Rotation with Constant Angular Acceleration - I01:37

    Rotation with Constant Angular Acceleration - I

    If angular acceleration is constant, then we can simplify equations of rotational kinematics, similar to the equations of linear kinematics. This simplified set of equations can be used to describe many applications in physics and engineering where the angular acceleration of a system is constant.
    Using our intuition, we can begin to see how rotational quantities such as angular displacement, angular velocity, angular acceleration, and time are related to one another. For example, if a flywheel...
    6.8K
    Gyroscope01:02

    Gyroscope

    A gyroscope is defined as a spinning disk in which the axis of rotation is free to assume any orientation. When spinning, the orientation of the spin axis is unaffected by the orientation of the body that encloses it. The body or vehicle enclosing the gyroscope can be moved from place to place, while the orientation of the spin axis remains the same. This makes gyroscopes very useful in navigation, especially where magnetic compasses cannot be used, such as in crewed and crewless spacecraft,...
    3.0K