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公开(公告)号：US11645506B2
公开(公告)日：2023-05-09
申请号：US17822080
申请日：2022-08-24
发明人： Lijuan Wang , Kevin Lin , Zicheng Liu , Kun Luo
CPC分类号： G06N3/0454 , G06F17/15 , G06N3/08 , G06T7/10 , G06V40/103 , G06T2207/10004 , G06T2207/10028 , G06T2207/10048 , G06T2207/20081
摘要： A computing system is provided. The computing system includes a processor configured to execute a convolutional neural network that has been trained, the convolutional neural network including a backbone network that is a concatenated pyramid network, a plurality of first head neural networks, and a plurality of second head neural networks. At the backbone network, the processor is configured to receive an input image as input and output feature maps extracted from the input image. The processor is configured to: process the feature maps using each of the first head neural networks to output corresponding keypoint heatmaps; process the feature maps using each of the second head neural networks to output corresponding part affinity field heatmaps; link the keypoints into one or more instances of virtual skeletons using the part affinity fields; and output the instances of the virtual skeletons.
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公开(公告)号：US11341674B2
公开(公告)日：2022-05-24
申请号：US16904507
申请日：2020-06-17
摘要： Improved techniques for determining an object's 3D orientation. An image is analyzed to identify a 2D object and a first set of key points. The first set defines a first polygon. A 3D virtual object is generated. This 3D virtual object has a second set of key points defining a second polygon representing an orientation of the 3D virtual object. The second polygon is rotated a selected number of times. For each rotation, each rotated polygon is reprojected into 2D space, and a matching score is determined between each reprojected polygon and the first polygon. A specific reprojected polygon is selected whose corresponding matching score is lowest. The orientation of the 3D virtual object is set to an orientation corresponding to the specific reprojected polygon. Based on the orientation of the 3D virtual object, an area of focus of the 2D object is determined.
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公开(公告)号：US20180247132A1
公开(公告)日：2018-08-30
申请号：US15445416
申请日：2017-02-28
发明人： Zicheng Liu , Yinpeng Chen , Sean E Anderson , Zhengyou Zhang
CPC分类号： G06K9/00771 , G06K9/00369 , G06K9/4642 , G06T11/60 , G06T2210/12 , H04N5/23238
摘要： Systems and methods for person counting are disclosed. A method may include retrieving an image frame from a plurality of image frames captured by a camera. The image frame may be split into a grid of a plurality of cells of a pre-determined cell dimensions. The pre-determined cell dimensions may be based on dimensions of the retrieved image frame and reference dimensions of training images of a person detection classifier. At least a portion of the plurality of cells may be rearranged to generate a new image. The new image may be padded with at least one padding strip to adjust dimensions of the new image to the reference dimensions of the training images. Person detection may be performed using the new image and the person detection classifier to obtain a number of persons detected within the new image.
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公开(公告)号：US09971490B2
公开(公告)日：2018-05-15
申请号：US14597138
申请日：2015-01-14
发明人： Yinpeng Chen , Zicheng Liu , Zhengyou Zhang
IPC分类号： G06F3/048 , G06F3/0484 , G06F3/01 , G06F3/0488 , H04N13/02 , H04N9/04 , G06F21/32
CPC分类号： G06F3/04847 , G06F3/017 , G06F3/0484 , G06F3/04842 , G06F3/0488 , G06F3/04883 , G06F21/32 , G06F2203/04101 , H04N9/04 , H04N13/271
摘要： The description relates to interactions with a display device. In one example, the interactions can include detecting a user proximate to a display and detecting a non-touch control gesture performed by the user proximate to the display. The example can also include presenting a graphical user interface (GUI) on the display that includes options associated with the control gesture. The example can also include receiving user input selecting one of the options and receiving additional user input from the user to interact with the GUI via the selected one of the options.
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公开(公告)号：US09521364B2
公开(公告)日：2016-12-13
申请号：US14572582
申请日：2014-12-16
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： H04N7/14 , H04N7/15 , 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.
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公开(公告)号：US11704907B2
公开(公告)日：2023-07-18
申请号：US17644899
申请日：2021-12-17
发明人： Nikolaos Karianakis , Zicheng Liu , Yinpeng Chen
IPC分类号： G06V20/40 , G06N3/08 , G06N3/006 , G06V10/764 , G06V10/82 , G06V10/44 , G06V20/52 , G06V40/10
CPC分类号： G06V20/41 , G06N3/006 , G06N3/08 , G06V10/454 , G06V10/764 , G06V10/82 , G06V20/52 , G06V40/103
摘要： An object re-identifier. For each of a plurality of frames of a video, a quality of the frame is assessed and a confidence that a previously-recognized object is present in the frame is determined. The determined confidence for the frame is weighted based on the assessed quality of the frame such that frames with higher relative quality are weighted more heavily than frames with lower relative quality. An overall confidence that the previously-recognized object is present in the video is assessed based on the weighted determined confidences.
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公开(公告)号：US10185878B2
公开(公告)日：2019-01-22
申请号：US15445416
申请日：2017-02-28
发明人： Zicheng Liu , Yinpeng Chen , Sean E Anderson , Zhengyou Zhang
IPC分类号： G06K9/00 , H04N5/232 , G06T11/60 , G08B13/196
摘要： Systems and methods for person counting are disclosed. A method may include retrieving an image frame from a plurality of image frames captured by a camera. The image frame may be split into a grid of a plurality of cells of a pre-determined cell dimensions. The pre-determined cell dimensions may be based on dimensions of the retrieved image frame and reference dimensions of training images of a person detection classifier. At least a portion of the plurality of cells may be rearranged to generate a new image. The new image may be padded with at least one padding strip to adjust dimensions of the new image to the reference dimensions of the training images. Person detection may be performed using the new image and the person detection classifier to obtain a number of persons detected within the new image.
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公开(公告)号：US20180332261A1
公开(公告)日：2018-11-15
申请号：US15590501
申请日：2017-05-09
IPC分类号： H04N9/31 , H04N17/04 , G09G3/00 , H04N21/4223 , G05B23/02
CPC分类号： H04N9/3194 , G09G3/006 , G09G3/20 , G09G2330/12 , G09G2360/145 , H04N1/6044 , H04N7/15 , H04N17/00 , H04N17/045 , H04N21/41415 , H04N21/4223 , H04N21/4424
摘要： An apparatus that automatically monitors a display device includes a photo sensor configured to receive light from a display screen of the display device. The photo sensor provides signals representing detected light levels to a processor. The processor is coupled to the display device and is configured to cause the display device to present a test sequence including a plurality of images on the display screen. The processor is configured to capture data from the photo sensor during the presentation of the test sequence and to compare the captured data to an expected sequence corresponding to the test sequence displayed by a well-functioning display. The processor is further configured to report any mismatch between the captured data and the expected sequence as a possible malfunction of the display device.
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公开(公告)号：US09684827B2
公开(公告)日：2017-06-20
申请号：US14226467
申请日：2014-03-26
发明人： Zhengyou Zhang , Qin Cai , Zicheng Liu , Jia-Bin Huang
CPC分类号： G06K9/00604 , G06F3/013 , G06T7/80
摘要： The subject disclosure is directed towards eye gaze detection based upon multiple cameras and/or light sources along with an adaptive homography mapping model. Learning of the model includes compensating for spatially-varying gaze errors and head pose dependent errors simultaneously in a unified framework. Aspects including training the model of adaptive homography offline using simulated data at various head positions.
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公开(公告)号：US20150124046A1
公开(公告)日：2015-05-07
申请号：US14572582
申请日：2014-12-16
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： H04N7/14
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。
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