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1. 发明授权

US10140745B2 Methods and systems for computer-based animation of musculoskeletal systems 有权
公开(公告)号：US10140745B2
公开(公告)日：2018-11-27
申请号：US14992853
申请日：2016-01-11
申请人： Vital Mechanics Research Inc.
发明人： Dinesh Kochikar Pai , Ye Fan
IPC分类号： G06T13/40
摘要： A computer-implemented method simulates a shape of a musculoskeletal system comprising a skeletal subsystem and a soft-tissue subsystem. The method comprises: simulating, by the computer system, an evolution of a skeletal subsystem model over a series of time steps to thereby determine rigid body variables representative of the shapes of the one or more rigid bodies in a physical space at each time step; and simulating, by the computer system, an evolution of a soft-tissue subsystem model over the series of time steps to thereby determine, for each of the one or more soft tissue objects, a soft-tissue object representation in an Eulerian space and an associated Eulerian representation for each vertex in the Eulerian space at each time step, the associated Eulerian representation, for each vertex and for each time step, specifying which one or more material space coordinates for the soft-tissue object correspond to the vertex at the time step. The simulation comprises coupling the skeletal and soft-tissue subsystem models using one or more coupling constraints, which constraining available solutions to the skeletal and soft-tissue subsystem models over the series of time steps. The simulation results (e.g. the rigid body variables and the soft-tissue object representation) may be saved and optionally used to render or otherwise generate an animation comprising, for each of the series of time steps, a digital image of the musculoskeletal system.

2. 发明授权

US11620782B2 Methods and systems for determining human body model parameters, human body models based on such parameters and simulating human bodies based on such body models 有权
公开(公告)号：US11620782B2
公开(公告)日：2023-04-04
申请号：US17146380
申请日：2021-01-11
申请人： Vital Mechanics Research Inc.
发明人： Dinesh Kochikar Pai , Austin Caulfield Rothwell , Alistair Charles Wick , Pearson Andrew Wyder-Hodge , Ye Fan , Egor Larionov , Darcy Alexander Harrison
IPC分类号： G06T13/40 , G06T7/262 , G06T7/254 , G09B23/30 , A61B5/107
摘要： A method that simulates a response of a target person to one or more simulation inputs comprises: contacting a body of a first test subject with a force-sensing probe; measuring a first force applied by the probe to the body of the first test subject; obtaining a first relative movement comprising a first movement of the probe relative to the body of the first test subject; determining one or more model parameters associated with the body of the first test subject based on the measured first force and the first relative movement; incorporating the one or more model parameters into a target model of at least a portion of a body of a target person; obtaining a simulation input for application to the target model; and simulating a response of the target person in response to the simulation input using the target model.

3. 发明申请

US20160203630A1 METHODS AND SYSTEMS FOR COMPUTER-BASED ANIMATION OF MUSCULOSKELETAL SYSTEMS 审中-公开
标题翻译：用于基于计算机的弹性体系统动画的方法和系统
公开(公告)号：US20160203630A1
公开(公告)日：2016-07-14
申请号：US14992853
申请日：2016-01-11
申请人： Vital Mechanics Research Inc.
发明人： Dinesh Kochikar Pai , Ye Fan
IPC分类号： G06T13/40
CPC分类号： G06T13/40
摘要： A computer-implemented method simulates a shape of a musculoskeletal system comprising a skeletal subsystem and a soft-tissue subsystem. The method comprises: simulating, by the computer system, an evolution of a skeletal subsystem model over a series of time steps to thereby determine rigid body variables representative of the shapes of the one or more rigid bodies in a physical space at each time step; and simulating, by the computer system, an evolution of a soft-tissue subsystem model over the series of time steps to thereby determine, for each of the one or more soft tissue objects, a soft-tissue object representation in an Eulerian space and an associated Eulerian representation for each vertex in the Eulerian space at each time step, the associated Eulerian representation, for each vertex and for each time step, specifying which one or more material space coordinates for the soft-tissue object correspond to the vertex at the time step. The simulation comprises coupling the skeletal and soft-tissue subsystem models using one or more coupling constraints, which constraining available solutions to the skeletal and soft-tissue subsystem models over the series of time steps. The simulation results (e.g. the rigid body variables and the soft-tissue object representation) may be saved and optionally used to render or otherwise generate an animation comprising, for each of the series of time steps, a digital image of the musculoskeletal system.
摘要翻译：计算机实现的方法模拟包括骨骼子系统和软组织子系统的肌骨骼系统的形状。该方法包括：通过计算机系统模拟骨骼子系统模型在一系列时间步长上的演变，从而确定代表在每个时间步长的物理空间中的一个或多个刚体的形状的刚体变量; 以及通过所述计算机系统模拟所述一系列时间步长中的软组织子系统模型的演变，从而为所述一个或多个软组织对象中的每一个确定在欧拉空间中的软组织对象表示，以及在每个时间步长的欧拉空间中的每个顶点的相关欧拉表示，对于每个顶点和每个时间步长的相关联的欧拉表示，指定软组织对象的哪一个或多个材料空间坐标对应于该时间点的顶点步。模拟包括使用一个或多个耦合约束来耦合骨骼和软组织子系统模型，其在一系列时间步长中约束骨骼和软组织子系统模型的可用解决方案。模拟结果（例如，刚体变量和软组织对象表示）可以被保存并且可选地用于呈现或以其他方式生成动画，其包括针对肌肉骨骼系统的数字图像的一系列时间步长中的每一个。

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