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関連する概念動画

Relative Motion Analysis - Velocity01:24

Relative Motion Analysis - Velocity

682
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...
682
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

693
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...
693
Non-equilibrium in the Cell01:16

Non-equilibrium in the Cell

5.3K
An important concept in studying metabolism and energy is that of chemical equilibrium. Most chemical reactions are reversible. They can proceed in both directions, releasing energy into their environment in one direction, and absorbing it from the environment in the other direction. The same is true for the chemical reactions involved in cell metabolism, such as the breaking down and building up of proteins into and from individual amino acids, respectively. Reactants within a closed system...
5.3K
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

872
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...
872
Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

807
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...
807
Relative Motion Analysis using Rotating Axes - Acceleration01:22

Relative Motion Analysis using Rotating Axes - Acceleration

745
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...
745

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Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
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テキストガイダンスによる距離認識型人間間インタラクションモーションの生成

Jia-Qi Zhang, Jia-Jun Wang, Fang-Lue Zhang

    IEEE transactions on visualization and computer graphics
    |January 12, 2026
    PubMed
    まとめ

    この研究では、テキストからリアルなマルチパーソンアニメーションを生成する新しいモデルInterDistを紹介します。キャラクター間の空間距離を独自に考慮し、アニメーションの妥当性と意味的精度を向上させます。

    科学分野:

    • コンピュータビジョン
    • 人工知能
    • アニメーション

    背景:

    • テキスト駆動型3D人間モーション合成は進歩していますが、リアルなマルチパーソンインタラクションの生成は依然として困難です。
    • 現在の方法は、相互作用する身体部分間の明示的な空間距離のような重要な物理的制約をしばしば無視しています。

    研究 の 目的:

    • リアルでテキスト制御可能なマルチパーソン3Dアニメーションを生成するための新しいシステムの開発。
    • 妥当なキャラクター間空間ダイナミクスを捉える上での既存モデルの限界に対処すること。

    主な方法:

    • 離散状態空間で動作するマスク付き生成TransformerモデルであるInterDistを提案します。
    • 二人モーションを独立した一人モーションと別個のインタラクション距離シーケンスに分解します。
    • VQ-VAEをエンコーディングに使用し、テキストに条件付けされた双方向マスク付き生成Transformerをモデリングに使用し、クロスモーダルインタラクションモジュールを使用します。

    主要な成果:

    • InterDistモデルは、テキストプロンプトと意味的に一致したモーションを生成することに成功しました。
    • アニメーション中に、キャラクター間の妥当な空間距離が維持されることを保証します。
    キーワード:
    テキストから3D人間モーションを生成するマルチパーソンインタラクション空間的インタラクションアニメーションの妥当性InterDistモデル

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  • テキスト駆動型マルチパーソンインタラクション生成の新しいベンチマークを設定します。

    • 結論:

    • InterDistは、空間インタラクションを明示的にモデル化することにより、テキスト駆動型マルチパーソンモーション生成において顕著な進歩を提供します。
    • このアプローチは、生成されたアニメーションの意味的精度と物理的妥当性の両方を向上させます。
    • この方法は、仮想環境におけるよりリアルなキャラクターインタラクションへの道を開きます。