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1. 发明授权

US09747716B1 Facial animation models 有权
公开(公告)号：US09747716B1
公开(公告)日：2017-08-29
申请号：US13839243
申请日：2013-03-15
申请人： LUCASFILM ENTERTAINMENT COMPANY LTD.
发明人： Ronald Mallet , Yuting Ye , Michael Koperwas , Adrian R. Goldenthal , Kiran S. Bhat
IPC分类号： G06T17/00 , G06T13/40
CPC分类号： G06T13/40 , G06T19/20 , G06T2219/2021
摘要： A system includes a computing device that includes a memory configured to store instructions. The system also includes a processor configured to execute the instructions to perform a method that includes receiving multiple representations of an object. Each of the representations includes position information of the object and corresponds to an instance in time. For at least one of the representations, the method includes defining a contour that represents a movable silhouette of a surface feature of the object. The method also includes producing a deformable model of the surface of the object from the defined contour and from the at least one representation of the object.

2. 发明申请

US20170053663A1 LIP SYNCHRONIZATION BETWEEN RIGS 审中-公开
标题翻译： RIGS之间的LIP同步
公开(公告)号：US20170053663A1
公开(公告)日：2017-02-23
申请号：US14831021
申请日：2015-08-20
申请人： LUCASFILM ENTERTAINMENT COMPANY LTD.
发明人： Ji Hun Yu , Michael Koperwas , Jeffrey Bruce Yost , Sheila Santos , Kiran S. Bhat
IPC分类号： G10L21/10 , G06T13/40 , G06T13/20
CPC分类号： G06T13/40 , G06K9/00302 , G06K9/4604 , G06T7/246 , G06T2207/30201 , G06T2207/30204
摘要： In some embodiments a method of transferring facial expressions from a subject to a computer-generated character is provided where the method includes receiving positional information from a motion capture session of the subject representing a performance having facial expressions to be transferred to the computer-generated character, receiving a first animation model that represents the subject, and receiving a second animation model that represents the computer-generated character. Each of the first and second animation models can include a plurality of adjustable controls that define geometries of the model and that can be adjusted to present different facial expressions on the model, and where the first and second animation models are designed so that setting the same values for the same set of adjustable controls in each model generates a similar facial poses on the models. The method further includes determining a solution, including values for at least some of the plurality of controls, that matches the first animation model to the positional information to reproduce the facial expressions from the performance to the first animation model, retargeting the facial expressions from the performance to the second animation model using the solution; and thereafter, synchronizing lip movement of the second animation model with lip movement from the first animation model.
摘要翻译：在一些实施例中，提供了将面部表情从受试者转移到计算机生成的角色的方法，其中所述方法包括从表示具有要传送到计算机生成的角色的表情的表现的对象的运动捕捉会话中接收位置信息，接收表示所述对象的第一动画模型，以及接收表示所述计算机生成的角色的第二动画模型。第一和第二动画模型中的每一个可以包括多个可调整的控件，其限定模型的几何形状，并且可以被调整以在模型上呈现不同的面部表情，并且其中第一和第二动画模型被设计成使得设置相同每个模型中同一组可调节控件的值在模型上产生类似的面部姿势。该方法还包括确定包括与第一动画模型匹配的多个控件中的至少一些的值的解决方案与位置信息，以从表演到第一动画模型再现面部表情，将面部表情从使用该解决方案对第二动画模型的性能; 之后，使第二动画模型的唇部移动与来自第一动画模型的唇部移动同步。

3. 发明授权

US10964083B1 Facial animation models 有权
公开(公告)号：US10964083B1
公开(公告)日：2021-03-30
申请号：US16380653
申请日：2019-04-10
申请人： Lucasfilm Entertainment Company Ltd.
发明人： Kiran S. Bhat , Michael Koperwas , Rachel M. Rose , Jung-Seung Hong , Frederic P. Pighin , Christopher David Twigg , Cary Phillips , Steve Sullivan
IPC分类号： G06T13/40
摘要： A system includes a computing device that includes a memory configured to store instructions. The system also includes a processor configured to execute the instructions to perform a method that includes receiving multiple representations of one or more expressions of an object. Each of the representations includes position information attained from one or more images of the object. The method also includes producing an animation model from one or more groups of controls that respectively define each of the one or more expressions of the object as provided by the multiple representations. Each control of each group of controls has an adjustable value that defines the geometry of at least one shape of a portion of the respective expression of the object. Producing the animation model includes producing one or more corrective shapes if the animation model is incapable of accurately presenting the one or more expressions of the object as provided by the multiple representations.

4. 发明授权

US09792479B2 Geometry tracking 有权
公开(公告)号：US09792479B2
公开(公告)日：2017-10-17
申请号：US14167838
申请日：2014-01-29
申请人： LucasFilm Entertainment Company Ltd.
发明人： Ronald Mallet , Kiran S. Bhat , Kevin Wooley
IPC分类号： G06K9/00 , G06T19/00 , G06T7/246
CPC分类号： G06K9/00 , G06T7/251 , G06T19/00 , G06T2207/10016 , G06T2207/30196
摘要： A method of motion capture may include accessing a 3D model of a subject, and associating the 3D model of the subject with a 2D representation of the subject in a plurality of frames. The method may also include identifying a change to the 2D representation of the subject between two or more of the plurality of frames, and deforming the 3D model in a virtual 3D space. In some embodiments, the deforming may be based on the identified change to the 2D representation and at least one constraint restricting how the 3D model can be deformed.

5. 发明申请

US20140219499A1 VISUAL TRACKING FRAMEWORK 审中-公开
标题翻译：视觉跟踪框架
公开(公告)号：US20140219499A1
公开(公告)日：2014-08-07
申请号：US14071380
申请日：2013-11-04
申请人： LUCASFILM ENTERTAINMENT COMPANY LTD.
发明人： Christoph Bregler , Kiran S. Bhat , Brett A. Allen
IPC分类号： G06K9/00
CPC分类号： G06K9/00624 , G06K9/00248 , G06K9/3216 , G06K2009/3225 , G06K2009/366 , G06T7/251 , G06T2207/30201 , G06T2207/30204
摘要： A computer program product tangibly embodied in a computer-readable storage medium includes instructions that when executed by a processor perform a method. The method includes identifying a frame of a video sequence, transforming a model into an initial guess for how the region appears in the frame, performing an exhaustive search of the frame, performing a plurality of optimization procedures, wherein at least one additional model parameter is taken into account as each subsequent optimization procedure is initiated. A system includes a computer readable storage medium, a graphical user interface, an input device, a model for texture and shape of the region, the model generated using the video sequence and stored in the computer readable storage medium, and a solver component.
摘要翻译：有形地体现在计算机可读存储介质中的计算机程序产品包括当由处理器执行时执行方法的指令。该方法包括识别视频序列的帧，将模型变换成如何区域出现在帧中的初始猜测，执行帧的穷尽搜索，执行多个优化过程，其中至少一个附加模型参数是考虑到每个随后的优化过程被启动。系统包括计算机可读存储介质，图形用户界面，输入设备，用于区域的纹理和形状的模型，使用视频序列生成并存储在计算机可读存储介质中的模型以及求解器组件。

6. 发明授权

US09002064B2 Visual tracking framework 有权
标题翻译：视觉跟踪框架
公开(公告)号：US09002064B2
公开(公告)日：2015-04-07
申请号：US14071380
申请日：2013-11-04
申请人： Lucasfilm Entertainment Company Ltd.
发明人： Christoph Bregler , Kiran S. Bhat , Brett A. Allen
IPC分类号： G06K9/00 , G06K9/32 , G06T7/20 , G06K9/36
CPC分类号： G06K9/00624 , G06K9/00248 , G06K9/3216 , G06K2009/3225 , G06K2009/366 , G06T7/251 , G06T2207/30201 , G06T2207/30204
摘要： A computer program product tangibly embodied in a computer-readable storage medium includes instructions that when executed by a processor perform a method. The method includes identifying a frame of a video sequence, transforming a model into an initial guess for how the region appears in the frame, performing an exhaustive search of the frame, performing a plurality of optimization procedures, wherein at least one additional model parameter is taken into account as each subsequent optimization procedure is initiated. A system includes a computer readable storage medium, a graphical user interface, an input device, a model for texture and shape of the region, the model generated using the video sequence and stored in the computer readable storage medium, and a solver component.
摘要翻译：有形地体现在计算机可读存储介质中的计算机程序产品包括当由处理器执行时执行方法的指令。该方法包括识别视频序列的帧，将模型变换成如何区域出现在帧中的初始猜测，执行帧的穷尽搜索，执行多个优化过程，其中至少一个附加模型参数是考虑到每个随后的优化过程被启动。系统包括计算机可读存储介质，图形用户界面，输入设备，用于区域的纹理和形状的模型，使用视频序列生成并存储在计算机可读存储介质中的模型以及求解器组件。

7. 发明申请

US20140147014A1 GEOMETRY TRACKING 有权
标题翻译：几何跟踪
公开(公告)号：US20140147014A1
公开(公告)日：2014-05-29
申请号：US14167838
申请日：2014-01-29
申请人： LucasFilm Entertainment Company Ltd.
发明人： Ronald Mallet , Kiran S. Bhat , Kevin Wooley
IPC分类号： G06T7/20
CPC分类号： G06K9/00 , G06T7/251 , G06T19/00 , G06T2207/10016 , G06T2207/30196
摘要： A method of motion capture may include accessing a 3D model of a subject, and associating the 3D model of the subject with a 2D representation of the subject in a plurality of frames. The method may also include identifying a change to the 2D representation of the subject between two or more of the plurality of frames, and deforming the 3D model in a virtual 3D space. In some embodiments, the deforming may be based on the identified change to the 2D representation and at least one constraint restricting how the 3D model can be deformed.
摘要翻译：运动捕捉的方法可以包括访问对象的3D模型，以及将对象的3D模型与多个帧中的对象的2D表示相关联。该方法还可以包括识别在多个帧中的两个或更多个帧之间对对象的2D表示的改变，以及在虚拟3D空间中使3D模型变形。在一些实施例中，变形可以基于对2D表示的识别的改变以及限制3D模型如何变形的至少一个约束。

8. 发明授权

US10489958B1 Facial animation models 有权
公开(公告)号：US10489958B1
公开(公告)日：2019-11-26
申请号：US15666286
申请日：2017-08-01
申请人： LUCASFILM ENTERTAINMENT COMPANY LTD.
发明人： Ronald Mallet , Yuting Ye , Michael Koperwas , Adrian R. Goldenthal , Kiran S. Bhat
IPC分类号： G06T13/40
CPC分类号： G06T13/40
摘要： A system includes a computing device that includes a memory configured to store instructions. The system also includes a processor configured to execute the instructions to perform a method that includes receiving multiple representations of an object. Each of the representations includes position information of the object and corresponds to an instance in time. For at least one of the representations, the method includes defining a contour that represents a movable silhouette of a surface feature of the object. The method also includes producing a deformable model of the surface of the object from the defined contour and from the at least one representation of the object.

9. 发明授权

US10055874B2 Lip synchronization between rigs 有权
公开(公告)号：US10055874B2
公开(公告)日：2018-08-21
申请号：US14831021
申请日：2015-08-20
申请人： LUCASFILM ENTERTAINMENT COMPANY LTD.
发明人： Ji Hun Yu , Michael Koperwas , Jeffrey Bruce Yost , Sheila Santos , Kiran S. Bhat
IPC分类号： G10L21/10 , G06T13/40 , G06T13/20
CPC分类号： G06T13/40 , G06K9/00302 , G06K9/4604 , G06T7/246 , G06T2207/30201 , G06T2207/30204
摘要： In some embodiments a method of transferring facial expressions from a subject to a computer-generated character is provided where the method includes receiving positional information from a motion capture session of the subject representing a performance having facial expressions to be transferred to the computer-generated character, receiving a first animation model that represents the subject, and receiving a second animation model that represents the computer-generated character. Each of the first and second animation models can include a plurality of adjustable controls that define geometries of the model and that can be adjusted to present different facial expressions on the model, and where the first and second animation models are designed so that setting the same values for the same set of adjustable controls in each model generates a similar facial poses on the models. The method further includes determining a solution, including values for at least some of the plurality of controls, that matches the first animation model to the positional information to reproduce the facial expressions from the performance to the first animation model, retargeting the facial expressions from the performance to the second animation model using the solution; and thereafter, synchronizing lip movement of the second animation model with lip movement from the first animation model.

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