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公开(公告)号：US10964083B1
公开(公告)日：2021-03-30
申请号：US16380653
申请日：2019-04-10
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.
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公开(公告)号：US09256973B2
公开(公告)日：2016-02-09
申请号：US14139409
申请日：2013-12-23
摘要： A system includes a computer system capable of representing one or more animated characters. The computer system includes a blendshape manager that combines multiple blendshapes to produce the animated character. The computer system also includes an expression manager to respectively adjust one or more control parameters associated with each of the plurality of blendshapes for adjusting an expression of the animated character. The computer system also includes a corrective element manager that applies one or more corrective elements to the combined blendshapes based upon at least one of the control parameters. The one or more applied corrective elements are adjustable based upon one or more of the control parameters absent the introduction of one or more additional control parameters.
摘要翻译： 系统包括能够表示一个或多个动画角色的计算机系统。 计算机系统包括一个混合形状管理器，它结合了多个混合形状以产生动画角色。 计算机系统还包括表达管理器，用于分别调整与多个混合形状中的每一个相关联的一个或多个控制参数，以调整动画角色的表达。 计算机系统还包括校正元件管理器，其基于至少一个控制参数将一个或多个校正元件应用于组合的混合形状。 基于一个或多个控制参数，一个或多个应用的校正元件是可调整的，而不引入一个或多个附加的控制参数。
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3.发明授权公开(公告)号：US11069135B2
公开(公告)日：2021-07-20
申请号：US16681300
申请日：2019-11-12
发明人： Stéphane Grabli , Michael Bao , Per Karefelt , Adam Ferrall-Nunge , Jeffery Yost , Ronald Fedkiw , Cary Phillips , Pablo Helman , Leandro Estebecorena
摘要： A method of transferring a facial expression from a subject to a computer generated character that includes receiving a plate with an image of the subject's facial expression, a three-dimensional parameterized deformable model of the subject's face where different facial expressions of the subject can be obtained by varying values of the model parameters, a model of a camera rig used to capture the plate, and a virtual lighting model that estimates lighting conditions when the image on the plate was captured. The method can solve for the facial expression in the plate by executing a deformation solver to solve for at least some parameters of the deformable model with a differentiable renderer and shape from shading techniques, using, as inputs, the three-dimensional parameterized deformable model, the model of the camera rig and the virtual lighting model over a series of iterations to infer geometry of the facial expression and generate a final facial mesh using the set of parameter values of the deformable model which result in a facial expression that closely matches the expression of the subject in the plate.
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公开(公告)号：US20140192059A1
公开(公告)日：2014-07-10
申请号：US14139409
申请日：2013-12-23
摘要： A system includes a computer system capable of representing one or more animated characters. The computer system includes a blendshape manager that combines multiple blendshapes to produce the animated character. The computer system also includes an expression manager to respectively adjust one or more control parameters associated with each of the plurality of blendshapes for adjusting an expression of the animated character. The computer system also includes a corrective element manager that applies one or more corrective elements to the combined blendshapes based upon at least one of the control parameters. The one or more applied corrective elements are adjustable based upon one or more of the control parameters absent the introduction of one or more additional control parameters.
摘要翻译： 系统包括能够表示一个或多个动画角色的计算机系统。 计算机系统包括一个混合形状管理器，它结合了多个混合形状以产生动画角色。 计算机系统还包括表达管理器，用于分别调整与多个混合形状中的每一个相关联的一个或多个控制参数，以调整动画角色的表达。 计算机系统还包括校正元件管理器，其基于至少一个控制参数将一个或多个校正元件应用于组合的混合形状。 基于一个或多个控制参数，一个或多个应用的校正元件是可调整的，而不引入一个或多个附加的控制参数。
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公开(公告)号：US08659606B1
公开(公告)日：2014-02-25
申请号：US13826330
申请日：2013-03-14
发明人： Frederic P. Pighin , Cary Phillips
IPC分类号： G06T15/00
CPC分类号： G06T13/40
摘要： A computer-implemented method includes identifying a representation of a feature of an animated character by inverting a skinned representation of the feature in one position. The inversion includes a non-linear inversion of the skinned representation of the feature. The method also includes skinning the identified feature representation to produce the animated character in another position.
摘要翻译： 计算机实现的方法包括通过在一个位置反转特征的皮肤表示来识别动画角色的特征的表示。 反演包括特征的皮肤表示的非线性反演。 该方法还包括剥皮所识别的特征表示以在另一位置产生动画角色。
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6.发明申请公开(公告)号：US20200286284A1
公开(公告)日：2020-09-10
申请号：US16681300
申请日：2019-11-12
发明人： Stéphane Grabli , Michael Bao , Per Karefelt , Adam Ferrall-Nunge , Jeffery Yost , Ronald Fedkiw , Cary Phillips , Pablo Helman , Leandro Estebecorena
摘要： A method of transferring a facial expression from a subject to a computer generated character that includes receiving a plate with an image of the subject's facial expression, a three-dimensional parameterized deformable model of the subject's face where different facial expressions of the subject can be obtained by varying values of the model parameters, a model of a camera rig used to capture the plate, and a virtual lighting model that estimates lighting conditions when the image on the plate was captured. The method can solve for the facial expression in the plate by executing a deformation solver to solve for at least some parameters of the deformable model with a differentiable renderer and shape from shading techniques, using, as inputs, the three-dimensional parameterized deformable model, the model of the camera rig and the virtual lighting model over a series of iterations to infer geometry of the facial expression and generate a final facial mesh using the set of parameter values of the deformable model which result in a facial expression that closely matches the expression of the subject in the plate.
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