模式探索,检索和适应用于轨迹预测
相关实验视频
Updated: Jul 16, 2025

16:14
Trajectory Data Analyses for Pedestrian Space-time Activity Study
Published on: February 25, 2013
13.6K
IEEE transactions on pattern analysis and machine intelligence
|September 18, 2023
概括
这项研究引入了一种新的方法,通过识别常见的行为模式来预测代理运动. 它使用深度学习来分类和调整这些模式,以便更准确地预测未来的轨迹.
科学领域:
- 计算机视觉 计算机视觉
- 人工智能的人工智能
- 机器人技术 机器人技术 机器人技术
背景情况:
- 由于固有的不确定性,预测未来的代理轨迹具有挑战性.
- 人类的运动往往遵循一些常见的模式,如加速,减速或转.
研究的目的:
- 通过探索人类行为模式,开发一种新的轨迹预测方案.
- 发现和利用代表性的运动模式,以提高预测准确度.
主要方法:
- 深度特征集群用于从轨迹数据中识别行为模式.
- 一个分类网络,根据历史观察预测可能的未来模式.
- 一个封闭的聚合模块来融合各种线索 (运动状态,场景语义).
- 一个适应过程,以对特定观测进行微调预测.
主要成果:
- 提出的方法有效地发现和代表人类行为模式.
- 多个线索的融合和模式适应导致预测准确度的提高.
- 在四个基准上的实验证明了开发的方法的优越性.
结论:
- 新的预测方案准确地捕捉并利用行为模式.
- 该方法为动态环境中的轨迹预测提供了强大的解决方案.
- 这项工作推进了理解和预测人类运动的最新技术.
相关概念视频
Absolute Motion Analysis- General Plane Motion
240
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...
240
Relative Motion Analysis using Rotating Axes
486
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...
486
Relative Motion Analysis using Rotating Axes-Problem Solving
421
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...
421
Relative Motion Analysis - Acceleration
378
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...
378
Relative Motion Analysis - Velocity
387
A stroke engine has a slider-crank mechanism that 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.
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
387
End Point Prediction: Gran Plot
371
A Gran plot is used to predict the equivalence volume or endpoint of a potentiometric or acid-base titration without reaching the endpoint. Typically, titration data is collected as a function of the titrant's volume up to a point less than the equivalence volume and then transformed into a linear format. The straight line is extended to the x-axis, indicating the necessary titrant volume to achieve the equivalence point.
For potentiometric titration, the Gran plot is created by plotting...
For potentiometric titration, the Gran plot is created by plotting...
371

