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1. 发明授权

US09001118B2 Avatar construction using depth camera 有权
标题翻译：使用深度相机的阿凡达建设
公开(公告)号：US09001118B2
公开(公告)日：2015-04-07
申请号：US13585540
申请日：2012-08-14
申请人： David Molyneaux , Xin Tong , Zicheng Liu , Eric Chang , Fan Yang , Jay Kapur , Emily Yang , Yang Liu , Hsiang-Tao Wu
发明人： David Molyneaux , Xin Tong , Zicheng Liu , Eric Chang , Fan Yang , Jay Kapur , Emily Yang , Yang Liu , Hsiang-Tao Wu
IPC分类号： G06T15/00 , A63F13/213 , A63F13/655 , G06K9/00 , G06K9/62 , G06T7/00 , G06T13/40 , G06T17/20
CPC分类号： G06T7/0032 , A63F13/213 , A63F13/655 , G06K9/00214 , G06K9/00369 , G06K9/469 , G06K9/6206 , G06K9/6211 , G06T7/344 , G06T13/40 , G06T17/20 , G06T2207/10028
摘要： A method for constructing an avatar of a human subject includes acquiring a depth map of the subject, obtaining a virtual skeleton of the subject based on the depth map, and harvesting from the virtual skeleton a set of characteristic metrics. Such metrics correspond to distances between predetermined points of the virtual skeleton. In this example method, the characteristic metrics are provided as input to an algorithm trained using machine learning. The algorithm may be trained using a human model in a range of poses, and a range of human models in a single pose, to output a virtual body mesh as a function of the characteristic metrics. The method also includes constructing a virtual head mesh distinct from the virtual body mesh, with facial features resembling those of the subject, and connecting the virtual body mesh to the virtual head mesh.
摘要翻译：用于构建人类对象的化身的方法包括获取对象的深度图，基于深度图获取对象的虚拟骨架，以及从虚拟骨架获取一组特征度量。这样的度量对应于虚拟骨架的预定点之间的距离。在该示例方法中，特征度量被提供作为使用机器学习训练的算法的输入。可以使用姿态范围中的人类模型和单个姿态中的人类模型的范围来训练算法，以根据特征度量输出虚拟身体网格。该方法还包括构建与虚拟身体网格不同的虚拟头部网格，以及类似于对象的面部特征，以及将虚拟身体网格物体连接到虚拟头部网格物体。

2. 发明申请

US20130342527A1 AVATAR CONSTRUCTION USING DEPTH CAMERA 有权
标题翻译：使用深度摄像机的AVATAR建筑
公开(公告)号：US20130342527A1
公开(公告)日：2013-12-26
申请号：US13585540
申请日：2012-08-14
申请人： David Molyneaux , Xin Tong , Zicheng Liu , Eric Chang , Fan Yang , Jay Kapur , Emily Yang , Yang Liu , Hsiang-Tao Wu
发明人： David Molyneaux , Xin Tong , Zicheng Liu , Eric Chang , Fan Yang , Jay Kapur , Emily Yang , Yang Liu , Hsiang-Tao Wu
IPC分类号： G06T13/00 , G06T15/00
CPC分类号： G06T7/0032 , A63F13/213 , A63F13/655 , G06K9/00214 , G06K9/00369 , G06K9/469 , G06K9/6206 , G06K9/6211 , G06T7/344 , G06T13/40 , G06T17/20 , G06T2207/10028
摘要： A method for constructing an avatar of a human subject includes acquiring a depth map of the subject, obtaining a virtual skeleton of the subject based on the depth map, and harvesting from the virtual skeleton a set of characteristic metrics. Such metrics correspond to distances between predetermined points of the virtual skeleton. In this example method, the characteristic metrics are provided as input to an algorithm trained using machine learning. The algorithm may be trained using a human model in a range of poses, and a range of human models in a single pose, to output a virtual body mesh as a function of the characteristic metrics. The method also includes constructing a virtual head mesh distinct from the virtual body mesh, with facial features resembling those of the subject, and connecting the virtual body mesh to the virtual head mesh.
摘要翻译：用于构建人类对象的化身的方法包括获取对象的深度图，基于深度图获取对象的虚拟骨架，以及从虚拟骨架获取一组特征度量。这样的度量对应于虚拟骨架的预定点之间的距离。在该示例方法中，特征度量被提供作为使用机器学习训练的算法的输入。可以使用姿态范围中的人类模型和单个姿态中的人类模型的范围来训练算法，以根据特征度量输出虚拟身体网格。该方法还包括构建与虚拟身体网格不同的虚拟头部网格，以及类似于对象的面部特征，以及将虚拟身体网格物体连接到虚拟头部网格物体。

3. 发明授权

US09055607B2 Data buddy 有权
标题翻译：资料好友
公开(公告)号：US09055607B2
公开(公告)日：2015-06-09
申请号：US12323570
申请日：2008-11-26
申请人： Michael J. Sinclair , Yuan Kong , Zhengyou Zhang , Behrooz Chitsaz , David W. Williams , Silviu-Petru Cucerzan , Zicheng Liu
发明人： Michael J. Sinclair , Yuan Kong , Zhengyou Zhang , Behrooz Chitsaz , David W. Williams , Silviu-Petru Cucerzan , Zicheng Liu
IPC分类号： H04M1/00 , H04W88/06 , H04M1/725 , H04W8/24 , H04W92/02 , H04W92/10
CPC分类号： H04W88/06 , H04M1/72572 , H04M2250/12 , H04M2250/58 , H04W8/245 , H04W92/02 , H04W92/10
摘要： Multi-modal, multi-lingual devices can be employed to consolidate numerous items including, but not limited to, keys, remote controls, image capture devices, audio recorders, cellular telephone functionalities, location/direction detectors, health monitors, calendars, gaming devices, smart home inputs, pens, optical pointing devices or the like. For example, a corner of a cellular telephone can be used as an electronic pen. Moreover, the device can be used to snap multiple pictures stitching them together to create a panoramic image. A device can automate ignition of an automobile, initiate appliances, etc. based upon relative distance. The device can provide for near to eye capabilities for enhanced image viewing. Multiple cameras/sensors can be provided on a single device to provide for stereoscopic capabilities. The device can also provide assistance to blind, privacy, etc. by consolidating services.
摘要翻译：可以使用多模式，多语言设备来整合许多项目，包括但不限于键，遥控器，图像捕获设备，音频记录器，蜂窝电话功能，位置/方向检测器，健康监视器，日历，游戏设备智能家庭输入，笔，光学指向装置等。例如，蜂窝电话的角落可以用作电子笔。此外，该设备可以用于将多个图片拼接在一起以创建全景图像。设备可以基于相对距离自动点火汽车，起动电器等。该设备可以提供近眼睛的功能，以增强图像观看效果。可以在单个设备上提供多个摄像机/传感器以提供立体能力。该设备还可以通过整合服务来提供盲人，隐私等方面的帮助。

4. 发明授权

US08941710B2 Ambulatory presence features 有权
标题翻译：动态存在功能
公开(公告)号：US08941710B2
公开(公告)日：2015-01-27
申请号：US13584633
申请日：2012-08-13
申请人： Christian Huitema , William A. S. Buxton , Jonathan E. Paff , Zicheng Liu , Rajesh Kutpadi Hegde , Zhengyou Zhang , Kori Marie Quinn , Jin Li , Michel Pahud
发明人： Christian Huitema , William A. S. Buxton , Jonathan E. Paff , Zicheng Liu , Rajesh Kutpadi Hegde , Zhengyou Zhang , Kori Marie Quinn , Jin Li , Michel Pahud
IPC分类号： H04N7/15 , H04N7/14 , H04N21/422 , H04N21/4223 , H04N21/442 , H04N21/4788 , H04L12/18
CPC分类号： H04N7/147 , H04L12/1827 , H04N7/142 , H04N7/15 , H04N21/42203 , H04N21/4223 , H04N21/44213 , H04N21/4788 , H04N2007/145
摘要： A system facilitates managing one or more devices utilized for communicating data within a telepresence session. A telepresence session can be initiated within a communication framework that includes a first user and one or more second users. In response to determining a temporary absence of the first user from the telepresence session, a recordation of the telepresence session is initialized to enable a playback of a portion or a summary of the telepresence session that the first user has missed.
摘要翻译：系统便于管理用于在远程呈现会话内传送数据的一个或多个设备。可以在包括第一用户和一个或多个第二用户的通信框架内启动远程呈现会话。响应于从远程呈现会话确定暂时不存在第一用户，初始化远程呈现会话的记录，以便能够播放第一用户已经错过的远程呈现会话的部分或摘要。

5. 发明授权

US08416990B2 Hierarchical video sub-volume search 有权
标题翻译：分层视频子卷搜索
公开(公告)号：US08416990B2
公开(公告)日：2013-04-09
申请号：US12858301
申请日：2010-08-17
申请人： Zicheng Liu , Norberto Adrian Goussies
发明人： Zicheng Liu , Norberto Adrian Goussies
IPC分类号： G06K9/00
CPC分类号： G06K9/00758 , G06K9/6203 , G06K9/6298
摘要： Described is a technology by which video, which may be relatively high-resolution video, is efficiently processed to determine whether the video contains a specified action. The video corresponds to a spatial-temporal volume. The volume is searched with a top-k search that finds a plurality of the most likely sub-volumes simultaneously in a single search round. The score volumes of larger spatial resolution videos may be down-sampled into lower-resolution score volumes prior to searching.
摘要翻译：描述了一种技术，通过该技术可以高效地处理可能是相对高分辨率视频的视频，以确定视频是否包含指定的动作。视频对应于空间 - 时间体积。使用在单个搜索循环中同时找到多个最可能的子卷的top-k搜索来搜索该卷。在搜索之前，较大的空间分辨率视频的得分体积可能被下采样为较低分辨率的分数体积。

6. 发明授权

US08416302B2 Low-light imaging augmented with non-intrusive lighting 有权
标题翻译：低光成像增强了非侵入式照明
公开(公告)号：US08416302B2
公开(公告)日：2013-04-09
申请号：US12368831
申请日：2009-02-10
申请人： Chunhui Zhang , Yasuyuki Matsushita , Yuan Kong , Zicheng Liu
发明人： Chunhui Zhang , Yasuyuki Matsushita , Yuan Kong , Zicheng Liu
IPC分类号： H04N5/33
CPC分类号： H04N5/33 , H04N5/2256 , H04N5/23219 , H04N5/332 , H04N9/045 , H04N9/735
摘要： In some implementations, invisible light is emitted toward a subject being imaged in a low-light environment. A camera having a first color image sensor captures an image of the subject. Image processing is used to correct distortion in the image caused by the invisible light, and an augmented color image is output.
摘要翻译：在一些实施方式中，向在低光环境中成像的被摄体发射不可见的光。具有第一彩色图像传感器的照相机捕获被摄体的图像。图像处理用于校正由不可见光引起的图像失真，并且输出增强的彩色图像。

7. 发明授权

US08339459B2 Multi-camera head pose tracking 有权
标题翻译：多摄像机头姿态跟踪
公开(公告)号：US08339459B2
公开(公告)日：2012-12-25
申请号：US12561154
申请日：2009-09-16
申请人： Zhengyou Zhang , Aswin Sankaranarayanan , Qing Zhang , Zicheng Liu , Qin Cai
发明人： Zhengyou Zhang , Aswin Sankaranarayanan , Qing Zhang , Zicheng Liu , Qin Cai
IPC分类号： H04N5/225
CPC分类号： H04N7/142 , G06K9/00261 , G06T7/75 , G06T7/85 , G06T2207/10012 , G06T2207/30201
摘要： Techniques and technologies for tracking a face with a plurality of cameras wherein a geometry between the cameras is initially unknown. One disclosed method includes detecting a head with two of the cameras and registering a head model with the image of the head (as detected by one of the cameras). The method also includes back projecting the other detected face image to the head model and determining a head pose from the back-projected head image. Furthermore, the determined geometry is used to track the face with at least one of the cameras.
摘要翻译：用于跟踪具有多个相机的面部的技术和技术，其中相机之间的几何形状最初是未知的。一种公开的方法包括使用两个摄像机检测头部，并用头部的图像（由相机之一检测到）登记头部模型。该方法还包括将另一个检测到的脸部图像反投影到头部模型并且从后投影的头部图像确定头部姿势。此外，所确定的几何形状用于利用至少一个相机跟踪面部。

8. 发明申请

US20110096135A1 AUTOMATIC LABELING OF A VIDEO SESSION 审中-公开
标题翻译：视频会议的自动标签
公开(公告)号：US20110096135A1
公开(公告)日：2011-04-28
申请号：US12604415
申请日：2009-10-23
申请人： Rajesh Kutpadi Hegde , Zicheng Liu
发明人： Rajesh Kutpadi Hegde , Zicheng Liu
IPC分类号： H04N5/262 , H04N7/14 , G06T7/00 , G08B13/14
CPC分类号： H04N7/14 , H04N5/23219
摘要： Described is labeling a video session with metadata representing a recognized person or object, such as to identify a person corresponding to a recognized face when that face is being shown during the video session. The identification may be made by overlaying text on the video session, e.g., the person's name and/or other related information. Facial recognition and/or other (e.g., voice) recognition may be used to identify a person. The facial recognition process may be made more efficient by using known narrowing information, such as calendar information that indicates who the invitees are to a meeting that is being shown in the video session.
摘要翻译：描述了用表示识别的人或物体的元数据来标记视频会话，例如当在视频会话期间正在显示该脸部时识别对应于识别的脸部的人物。可以通过在视频会话上重叠文本，例如该人的姓名和/或其他相关信息来进行识别。可以使用面部识别和/或其他（例如，语音）识别来识别人。可以通过使用已知的缩小信息（例如指示被邀请者是谁正在视频会话中显示的会议的日历信息）来使面部识别过程更有效。

9. 发明申请

US20100315482A1 Interest Determination For Auditory Enhancement 有权
标题翻译：用于听觉增强的兴趣测定
公开(公告)号：US20100315482A1
公开(公告)日：2010-12-16
申请号：US12484906
申请日：2009-06-15
申请人： Daniel A. Rosenfeld , Zicheng Liu , Ross G. Cutler , Philip A. Chou , Christian Huitema , Kori Quinn
发明人： Daniel A. Rosenfeld , Zicheng Liu , Ross G. Cutler , Philip A. Chou , Christian Huitema , Kori Quinn
IPC分类号： H04N7/15
CPC分类号： H04N7/147 , H04L12/1827 , H04L65/403 , H04M3/564 , H04M3/567 , H04M2201/20 , H04M2203/2044 , H04M2203/5018 , H04M2203/5072 , H04S7/303 , H04S2400/01 , H04S2400/13
摘要： Gaze tracking or other interest indications are used during a video conference to determine one or more audio sources that are of interest to one or more participants to the video conference, such as by determining a conversation from among multiple conversations that a subset of participants are participating in or listening to, for enhancing the audio experience of one or more of the participants.
摘要翻译：在视频会议期间使用凝视跟踪或其他兴趣指示来确定一个或多个视频会议的一个或多个参与者感兴趣的一个或多个音频源，例如通过确定参与者的子集参与的多个对话中的会话在或听取，以增强一个或多个参与者的音频体验。

10. 发明申请

US20100189310A1 System and Method Providing Improved Head Motion Estimations for Animation 有权
标题翻译：系统和方法为动画提供改进的头部运动估计
公开(公告)号：US20100189310A1
公开(公告)日：2010-07-29
申请号：US12751705
申请日：2010-03-31
申请人： Zicheng Liu , Zhengyou Zhang
发明人： Zicheng Liu , Zhengyou Zhang
IPC分类号： G06K9/00
CPC分类号： G06K9/00248 , G06T7/251 , G06T7/70 , G06T2207/10016 , G06T2207/30201
摘要： The computer-readable media provides improved procedures to estimate head motion between two images of a face. Locations of a number of distinct facial features are determined in two images. The locations are converted into as a set of physical face parameters based on the symmetry of the identified distinct facial features. An estimation objective function is determined by: (a) estimating each of the set of physical parameters, (b) estimating a first head pose transform corresponding to the first image, and (c) estimating a second head pose transform corresponding to the second image. The motion is estimated between the two images based on the set of physical face parameters by multiplying each term of the estimation objective function by a weighted contribution factor based on the confidence of data corresponding to the estimation objective function.
摘要翻译：计算机可读介质提供改进的程序来估计脸部的两个图像之间的头部运动。许多不同的脸部特征的位置在两个图像中确定。基于识别出的不同面部特征的对称性，这些位置被转换为一组物理面部参数。通过以下方式确定估计目标函数：（a）估计所述一组物理参数中的每一个，（b）估计与所述第一图像相对应的第一头部姿态变换，以及（c）估计与所述第二图像相对应的第二头部姿态变换。通过基于与估计目标函数对应的数据的置信度，将估计目标函数的每个项乘以加权的贡献因子，基于物理面参数的集合来估计两个图像之间的运动。

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