相关实验视频
Updated: Jul 24, 2025

07:51
Video Movement Analysis Using Smartphones ViMAS: A Pilot Study
Published on: March 14, 2017
16.9K
姿势分析模型估计平面信托标记器的方程变化,用于移动机器人定位
Roman Adámek1, Martin Brablc1, Patrik Vávra2
1Faculty of Mechanical Engineering, Brno University of Technology, Technická 2896/2, 616 69 Brno, Czech Republic.
Sensors (Basel, Switzerland)
|July 8, 2023
概括
本研究介绍了一种方法来提高使用平面信托标记的2D姿势估计准确度. 通过模拟不同的观测噪声,它通过传感器融合增强了机器人定位.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 计算机视觉 计算机视觉
- 传感器融合式传感器
背景情况:
- 平面信托标记对于摄像头姿势估计至关重要.
- 精确的传感器融合,就像卡尔曼过一样,需要精确的观测噪声共变率.
- 现有的方法往往忽略了信托标记物观察噪声的范围依赖性.
研究的目的:
- 为应对基于平面信托标记器的姿势估计中不同观察噪声的挑战.
- 开发一种方法来准确地建模并将这种噪声纳入传感器融合.
- 为了提高二维机器人定位系统的可靠性.
主要方法:
- 对信托标记物的实验测量在真实和模拟环境中提出估计.
- 开发分析函数以近似估计差异.
- 实施一个协差模型参数估计技术.
- 来自多个标记物的姿势估计的融合,以改善本地化.
主要成果:
- 量化了平面信托标记的取决于范围的观察噪声特征.
- 拟议和验证的分析函数用于近似定位估计差异.
- 使用拟议的噪音建模和传感器融合方法,证明了改进的2D机器人定位准确性.
结论:
- 对观测噪声的准确建模对于使用信托标记器进行可靠的姿势估计至关重要.
- 拟议的分析功能和融合技术显著提高2D机器人本地化.
- 这项工作为优化机器人应用中的传感器融合提供了实际框架.
更多相关视频
相关概念视频
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...
Here, in order to determine the magnitude of velocity and acceleration for point...
424
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...
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
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
101
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
101
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...
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

