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11. 发明申请

US20210295020A1 IMAGE FACE MANIPULATION 有权
公开(公告)号：US20210295020A1
公开(公告)日：2021-09-23
申请号：US17303871
申请日：2021-06-09
申请人： Snap Inc.
发明人： Chen Cao , Sergey Tulyakov , Zhenglin Geng
IPC分类号： G06K9/00
摘要： Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing a program and a method for synthesizing a realistic image with a new expression of a face in an input image by receiving an input image comprising a face having a first expression; obtaining a target expression for the face; and extracting a texture of the face and a shape of the face. The program and method for generating, based on the extracted texture of the face, a target texture corresponding to the obtained target expression using a first machine learning technique; generating, based on the extracted shape of the face, a target shape corresponding to the obtained target expression using a second machine learning technique; and combining the generated target texture and generated target shape into an output image comprising the face having a second expression corresponding to the obtained target expression.

12. 发明申请

US20210104087A1 AVATAR STYLE TRANSFORMATION USING NEURAL NETWORKS 有权
公开(公告)号：US20210104087A1
公开(公告)日：2021-04-08
申请号：US17247557
申请日：2020-12-16
申请人： Snap Inc.
发明人： Harrison Jesse Smith , Chen Cao , Yingying Wang
IPC分类号： G06T13/40 , H04L12/58 , G06N3/08 , G06N20/00
摘要： Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing at least one program and a method for transforming a motion style of an avatar from a first style to a second style. The program and method include: retrieving, by a processor from a storage device, an avatar depicting motion in a first style; receiving user input selecting a second style; obtaining, based on the user input, a trained machine learning model that performs a non-linear transformation of motion from the first style to the second style; and applying the obtained trained machine learning model to the retrieved avatar to transform the avatar from depicting motion in the first style to depicting motion in the second style.

13. 发明授权

US10949648B1 Region-based stabilized face tracking 有权
公开(公告)号：US10949648B1
公开(公告)日：2021-03-16
申请号：US16170997
申请日：2018-10-25
申请人： Snap Inc.
发明人： Chen Cao , Menglei Chai , Linjie Luo , Oliver Woodford
IPC分类号： G06K9/00 , G06T13/40 , G06T7/73
摘要： Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing at least one program and a method for accessing a set of images depicting at least a portion of a face. A set of facial regions of the face is identified, each facial region of the set of facial regions intersecting another facial region with at least one common vertex which is a member of a set of facial vertices. For each facial region of the set of facial regions, a weight formed from a set of region coefficients is generated. Based on the set of facial regions and the weight of each facial region of the set of facial regions, the face is tracked across the set of images.

14. 发明授权

US10896534B1 Avatar style transformation using neural networks 有权
公开(公告)号：US10896534B1
公开(公告)日：2021-01-19
申请号：US16135911
申请日：2018-09-19
申请人： Snap Inc.
发明人： Harrison Jesse Smith , Chen Cao , Yingying Wang
IPC分类号： G06T13/40 , H04L12/58 , G06N3/08 , G06N20/00
摘要： Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing at least one program and a method for transforming a motion style of an avatar from a first style to a second style. The program and method include: retrieving, by a processor from a storage device, an avatar depicting motion in a first style; receiving user input selecting a second style; obtaining, based on the user input, a trained machine learning model that performs a non-linear transformation of motion from the first style to the second style; and applying the obtained trained machine learning model to the retrieved avatar to transform the avatar from depicting motion in the first style to depicting motion in the second style.

15. 发明授权

US10586368B2 Joint audio-video facial animation system 有权
公开(公告)号：US10586368B2
公开(公告)日：2020-03-10
申请号：US15858992
申请日：2017-12-29
申请人： Snap Inc.
发明人： Chen Cao , Xin Chen , Wei Chu , Zehao Xue
IPC分类号： G06T13/20 , G06T13/40 , H04L12/58 , G06K9/00 , H04R27/00 , G10L21/10
摘要： The present invention relates to a joint automatic audio visual driven facial animation system that in some example embodiments includes a full scale state of the art Large Vocabulary Continuous Speech Recognition (LVCSR) with a strong language model for speech recognition and obtained phoneme alignment from the word lattice.

16. 发明授权

US11348301B2 Avatar style transformation using neural networks 有权
公开(公告)号：US11348301B2
公开(公告)日：2022-05-31
申请号：US17247557
申请日：2020-12-16
申请人： Snap Inc.
发明人： Harrison Jesse Smith , Chen Cao , Yingying Wang
IPC分类号： G06T13/40 , H04L51/10 , G06N3/08 , G06N20/00
摘要： Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing at least one program and a method for transforming a motion style of an avatar from a first style to a second style. The program and method include: retrieving, by a processor from a storage device, an avatar depicting motion in a first style; receiving user input selecting a second style; obtaining, based on the user input, a trained machine learning model that performs a non-linear transformation of motion from the first style to the second style; and applying the obtained trained machine learning model to the retrieved avatar to transform the avatar from depicting motion in the first style to depicting motion in the second style.

17. 发明授权

US11164376B1 Object modeling using light projection 有权
公开(公告)号：US11164376B1
公开(公告)日：2021-11-02
申请号：US16116590
申请日：2018-08-29
申请人： Snap Inc.
发明人： Soumyadip Sengupta , Linjie Luo , Chen Cao , Menglei Chai
IPC分类号： G06K9/00 , G06T17/30
摘要： A shape generation system can generate a three-dimensional (3D) model of an object from a two-dimensional (2D) image of the object by projecting vectors onto light cones created from the 2D image. The projected vectors can be used to more accurately create the 3D model of the object based on image element (e.g., pixel) values of the image.

18. 发明申请

US20210312681A1 JOINT AUDIO-VIDEO FACIAL ANIMATION SYSTEM 有权
公开(公告)号：US20210312681A1
公开(公告)日：2021-10-07
申请号：US17349015
申请日：2021-06-16
申请人： Snap Inc.
发明人： Chen Cao , Xin Chen , Wei Chu , Zehao Xue
IPC分类号： G06T13/20 , G06T13/40 , H04L12/58 , G06K9/00 , H04R27/00 , G10L21/10
摘要： The present invention relates to a joint automatic audio visual driven facial animation system that in some example embodiments includes a full scale state of the art Large Vocabulary Continuous Speech Recognition (LVCSR) with a strong language model for speech recognition and obtained phoneme alignment from the word lattice.

19. 发明授权

US11055514B1 Image face manipulation 有权
公开(公告)号：US11055514B1
公开(公告)日：2021-07-06
申请号：US16220859
申请日：2018-12-14
申请人： Snap Inc.
发明人： Chen Cao , Sergey Tulyakov , Zhenglin Geng
IPC分类号： G06K9/00
摘要： Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing a program and a method for synthesizing a realistic image with a new expression of a face in an input image by receiving an input image comprising a face having a first expression; obtaining a target expression for the face; and extracting a texture of the face and a shape of the face. The program and method for generating, based on the extracted texture of the face, a target texture corresponding to the obtained target expression using a first machine learning technique; generating, based on the extracted shape of the face, a target shape corresponding to the obtained target expression using a second machine learning technique; and combining the generated target texture and generated target shape into an output image comprising the face having a second expression corresponding to the obtained target expression.

20. 发明申请

US20210165998A1 REGION-BASED STABILIZED FACE TRACKING 有权
公开(公告)号：US20210165998A1
公开(公告)日：2021-06-03
申请号：US17248908
申请日：2021-02-12
申请人： Snap Inc.
发明人： Chen Cao , Menglei Chai , Linjie Luo , Oliver Woodford
IPC分类号： G06K9/00 , G06T13/40 , G06T7/73
摘要： Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing at least one program and a method for accessing a set of images depicting at least a portion of a face. A set of facial regions of the face is identified, each facial region of the set of facial regions intersecting another facial region with at least one common vertex that is a member of a set of facial vertices. For each facial region of the set of facial regions, a weight formed from a set of region coefficients is generated. Based on the set of facial regions and the weight of each facial region of the set of facial regions, the face is tracked across the set of images.

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