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 Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

424
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...
424
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

489
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...
489
Relative Motion Analysis using Rotating Axes - Acceleration01:22

Relative Motion Analysis using Rotating Axes - Acceleration

357
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...
357
Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

243
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...
243
Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

382
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...
382
Stability of Equilibrium Configuration: Problem Solving01:13

Stability of Equilibrium Configuration: Problem Solving

633
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
633

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

Sub-grain boundaries by cold-rolling copper nanoparticles for boosting alkaline HER.

Chemical communications (Cambridge, England)·2026
Same author

[Research on the changing trends of filter inlet pressure and extracorporeal circuit coagulation degree in patients with sepsis-induced coagulopathy undergoing continuous renal replacement therapy].

Zhonghua wei zhong bing ji jiu yi xue·2026
Same author

A Quantitative Efflux Ratio-Integrated Model for Passive Permeability Estimation from Caco-2 Assays.

Drug metabolism and bioanalysis·2026
Same author

Predicting Massive Transfusion Needs in Trauma Using Machine Learning: Systematic Review and Meta-Analysis.

Journal of trauma nursing : the official journal of the Society of Trauma Nurses·2026
Same author

Multisite Coadsorption of the *OOH Intermediate on NiFeOOH Hierarchical Nanosheet Arrays Boost Water Electro-Oxidation at Ultrahigh Current Densities.

ACS applied materials & interfaces·2026
Same author

Effects of Zearalenone on the Kiss1/GPR54 System and Related Genes Expression in the Hypothalamus and Pituitary Gland of Weaned Gilts.

Toxins·2026

相关实验视频

Updated: Jul 24, 2025

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

7.7K

一个基于关键点检测的无监督视频稳定算法.

Yue Luan1, Chunyan Han1, Bingran Wang1

  • 1School of Software, Northeastern University (NEU), Shenyang 110169, China.

Entropy (Basel, Switzerland)
|July 8, 2023
PubMed
概括
此摘要是机器生成的。

这项研究介绍了一种无监督的视频稳定模型,可以增强关键点检测和复杂场景的运动轨迹平滑. 该方法有效减少视觉扭曲和黑色边缘,在细节保留和速度方面超过现有技术.

关键词:
飞机飞行业 (RAFT) 是一个飞机飞行业.适应性作物种植是适应性的作物种植.关键点检测检测 关键点检测没有监督的学习学习.视频稳定器视频稳定器

更多相关视频

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
06:25

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing

Published on: February 23, 2024

634
Combining Eye-tracking Data with an Analysis of Video Content from Free-viewing a Video of a Walk in an Urban Park Environment
08:25

Combining Eye-tracking Data with an Analysis of Video Content from Free-viewing a Video of a Walk in an Urban Park Environment

Published on: May 7, 2019

9.0K

相关实验视频

Last Updated: Jul 24, 2025

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

7.7K
Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing
06:25

Author Spotlight: Assessment of Visual Acuity in Central Vision Loss Through Motion-Based Peripheral Vision Testing

Published on: February 23, 2024

634
Combining Eye-tracking Data with an Analysis of Video Content from Free-viewing a Video of a Walk in an Urban Park Environment
08:25

Combining Eye-tracking Data with an Analysis of Video Content from Free-viewing a Video of a Walk in an Urban Park Environment

Published on: May 7, 2019

9.0K

科学领域:

  • 计算机视觉 计算机视觉
  • 图像处理 图像处理
  • 人工智能的人工智能

背景情况:

  • 当前的视频稳定方法在复杂的场景中遇到困难.
  • 现有的技术往往导致视觉扭曲和细节损失.

研究的目的:

  • 为复杂场景开发一个无监督的视频稳定模型.
  • 为了改善关键点检测和运动轨迹平滑.
  • 为了尽量减少视觉扭曲和黑色边缘,同时保持框架细节.

主要方法:

  • 使用基于深度神经网络 (DNN) 的关键点检测器来生成丰富的关键点.
  • 在无纹理区域优化关键点和光流.
  • 采用前景和背景的分离来平滑不稳定的运动轨迹.
  • 实现了自适应式裁剪,以消除黑色边缘并最大限度地提高细节.

主要成果:

  • 与最先进的方法相比,实现了较少的视觉扭曲.
  • 在稳定框架中保留了更大的细节.
  • 从生成的中完全删除黑色边缘.
  • 在量化指标和运行速度方面表现优于现有模型.

结论:

  • 拟议的无监督模型为复杂场景提供了卓越的视频稳定.
  • 该方法平衡了细节的保存与有效的扭曲减少.
  • 在性能和效率方面都取得了显著的改进.