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Updated: Jan 12, 2026

Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
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运动LLM:从人类运动和视频了解人类行为

Ling-Hao Chen, Shunlin Lu, Ailing Zeng

    IEEE transactions on pattern analysis and machine intelligence
    |October 31, 2025
    PubMed
    概括

    本研究介绍了MotionLLM,这是一种使用视频和运动数据来理解人类行为的框架. 它通过共同建模多模式输入来增强时空理解和推理.

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    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...
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    Relative Motion Analysis - Velocity

    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...
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    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.
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