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相关概念视频

Deformation of Member under Multiple Loadings01:11

Deformation of Member under Multiple Loadings

157
When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
157
Modeling and Similitude01:12

Modeling and Similitude

246
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
246
Curvilinear Motion: Rectangular Components01:23

Curvilinear Motion: Rectangular Components

418
Curvilinear motion characterizes the movement of a particle or object along a curved path, notably evident when envisioning a car navigating a winding road. If the car starts at point A, its position vector is established within a fixed frame of reference, where the ratio of the position vector to its magnitude signifies the unit vector pointing in the position vector's direction.
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
418
Multicompartment Models: Overview01:14

Multicompartment Models: Overview

104
Multicompartment models are mathematical constructs that depict how drugs are distributed and eliminated within the body. They segment the body into several compartments, symbolizing various physiological or anatomical areas connected through drug transfer processes such as absorption, metabolism, distribution, and elimination.
These models offer a more comprehensive representation of drug behavior in the body than one-compartment models. They accommodate the complexity of drug distribution,...
104
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models01:06

Model Approaches for Pharmacokinetic Data: Distributed Parameter Models

60
Pharmacokinetic models are mathematical constructs that represent and predict the time course of drug concentrations in the body, providing meaningful pharmacokinetic parameters. These models are categorized into compartment, physiological, and distributed parameter models.
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
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Bending of Members Made of Several Materials01:08

Bending of Members Made of Several Materials

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In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each...
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相关实验视频

Updated: Jun 10, 2025

Author Spotlight: Enhancing Skin Model Diversity with Cost-Effective 3D Cellular Models
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Author Spotlight: Enhancing Skin Model Diversity with Cost-Effective 3D Cellular Models

Published on: October 20, 2023

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参数线性混合脱皮模型用于多形状3D服装.

Xipeng Chen, Guangrun Wang, Xiaogang Xu

    IEEE transactions on visualization and computer graphics
    |October 18, 2024
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    概括
    此摘要是机器生成的。

    我们介绍了一个新的参数线性混合皮肤 (PLBS) 模型用于3D服装动画. 这种数据驱动的方法克服了先前方法的局限性,因为它专注于服装,而不是身体,为提高适应性而建模.

    更多相关视频

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    科学领域:

    • 计算机图形 计算机图形
    • 动画动画 动画动画
    • 机器学习 机器学习

    背景情况:

    • 现有的数据驱动的3D服装动画方法经常严重依赖人体模型.
    • 这些方法对不同形状和尺寸的服装具有有限的适应性.
    • 挑战包括过度依赖人体拓和难以在不同类型的服装上进行概括.

    研究的目的:

    • 开发一种新的数据驱动的参数线性混合皮肤 (PLBS) 模型,用于一般化的3D服装装饰和动画.
    • 通过将重点从人体建模转移到服装建模来克服以前方法的局限性.
    • 为了使各种服装和身体类型的适应性和通用化建模.

    主要方法:

    • 使用规范的3D服装网,基于顶点的剥皮重量和局部补丁转换控制的PLBS模型来制定服装变形.
    • 开发了一种以服装为中心的建模方法,将平面内 (形状/尺寸变化) 和平面外 (身体/运动变形) 的子空间分开.
    • 引入了用于数据采集的新型3D服装登记和剥皮重量分解策略.
    • 采用动态微调来增强高频信号对未见数据的表示.

    主要成果:

    • 该PLBS模型有效地模拟宽松服装的动态,优于以前的数据驱动方法.
    • 证明了模型在各种体型,服装形状,服装尺寸和人类运动中进行因子化和概括的能力.
    • 通过不同的在平面内和在平面外的变形控制,实现了各种服装和身体的统一表达.

    结论:

    • 拟议的PLBS模型为3D服装动画提供了一个强大而通用的解决方案,超越了以前的数据驱动技术.
    • 这种以服装为中心的方法提高了各种服装和身体类型的适应性和可扩展性.
    • 该方法成功地解决了3D服装建模和动画中的关键挑战,为更现实的数字服装铺平了道路.