Patents by Inventor Zicheng Liu

Zicheng Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9971490
    Abstract: 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.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: May 15, 2018
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Yinpeng Chen, Zicheng Liu, Zhengyou Zhang
  • Patent number: 9864430
    Abstract: Examples are disclosed herein that are related to gaze tracking via image data. One example provides, on a gaze tracking system comprising an image sensor, a method of determining a gaze direction, the method comprising acquiring image data via the image sensor, detecting in the image data facial features of a human subject, determining an eye rotation center based upon the facial features using a calibrated face model, determining an estimated position of a center of a lens of an eye from the image data, determining an optical axis based upon the eye rotation center and the estimated position of the center of the lens, determining a visual axis by applying an adjustment to the optical axis, determining the gaze direction based upon the visual axis, and providing an output based upon the gaze direction.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: January 9, 2018
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Dijia Wu, Michael J. Conrad, Tim Burrell, Xu Miao, Zicheng Liu, Qin Cai, Zhengyou Zhang
  • Patent number: 9794391
    Abstract: A pendant for use with a mobile terminal, including: a pendant body containing an antenna; and a pendant cord connected with the pendant body, the pendant cord enclosing a cable connected to the antenna for transmitting and receiving radio frequency signals.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: October 17, 2017
    Assignee: Xiaomi Inc.
    Inventors: Lei Zhang, Zicheng Liu, Zhu Mao
  • Patent number: 9684827
    Abstract: 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.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: June 20, 2017
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Zhengyou Zhang, Qin Cai, Zicheng Liu, Jia-Bin Huang
  • Publication number: 20170090560
    Abstract: The large display interaction implementations described herein combine mobile devices with people tracking to enable new interactions including making a non-touch-sensitive display touch-sensitive and allowing personalized interactions with the display. One implementation tracks one or more mobile computing device users relative to a large computer-driven display, and configures content displayed on the display based on a distance a given mobile computing device user is from the display. Another implementation personalizes user interactions with a large display. One or more mobile computing device users are tracked relative to a display. The identity of each of the one or more mobile computing device users is obtained. Content displayed on the display is configured based on a distance an identified mobile computing device user is from the display and the identity of the user that provides the content.
    Type: Application
    Filed: September 25, 2015
    Publication date: March 30, 2017
    Inventors: Yinpeng Chen, Sasa Junuzovic, Zhengyou Zhang, Zicheng Liu
  • Publication number: 20170083000
    Abstract: It is very difficult to schedule a single-arm cluster tool with wafer revisiting such that wafer residency time constraints are satisfied. The present invention conducts a study on this challenging problem for a single-arm cluster tool with atomic layer deposition (ALD) process. With a so called p-backward strategy being applied, a Petri net model is developed to describe the dynamic behavior of the system. Based on the model, existence of a feasible schedule is analyzed, schedulability conditions are derived, and scheduling algorithms are presented if there is a schedule. A schedule is obtained by simply setting the robot waiting time if schedulable and it is very computationally efficient. The obtained schedule is shown to be optimal. Illustrative examples are given to demonstrate the proposed approach.
    Type: Application
    Filed: October 21, 2015
    Publication date: March 23, 2017
    Inventors: Naiqi Wu, Zicheng Liu
  • Patent number: 9552668
    Abstract: Described herein are technologies pertaining to generating a relatively accurate virtual three-dimensional model of a head/face of a user. Depth frames are received from a depth sensor and color frames are received from a camera, wherein such frames capture a head of a user. Based upon the depth frames and the color frames, the three-dimensional model of the head of the user is generated.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: January 24, 2017
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Fan Yang, Minmin Gong, Zicheng Liu, Xin Tong
  • Patent number: 9529426
    Abstract: Head pose tracking technique embodiments are presented that use a group of sensors configured so as to be disposed on a user's head. This group of sensors includes a depth sensor apparatus used to identify the three dimensional locations of features within a scene, and at least one other type of sensor. Data output by each sensor in the group of sensors is periodically input, and each time the data is input it is used to compute a transformation matrix that when applied to a previously determined head pose location and orientation established when the first sensor data was input identifies a current head pose location and orientation. This transformation matrix is then applied to the previously determined head pose location and orientation to identify a current head pose location and orientation.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: December 27, 2016
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Zicheng Liu, Zhengyou Zhang, Zhenning Li
  • Patent number: 9521364
    Abstract: 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.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: December 13, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Christian Huitema, William A. S. Buxton, Jonathan E. Paff, Zicheng Liu, Rajesh Kutpadi Hegde, Zhengyou Zhang, Kori Marie Quinn, Jin Li, Michel Pahud
  • Publication number: 20160202756
    Abstract: Examples are disclosed herein that are related to gaze tracking via image data. One example provides, on a gaze tracking system comprising an image sensor, a method of determining a gaze direction, the method comprising acquiring image data via the image sensor, detecting in the image data facial features of a human subject, determining an eye rotation center based upon the facial features using a calibrated face model, determining an estimated position of a center of a lens of an eye from the image data, determining an optical axis based upon the eye rotation center and the estimated position of the center of the lens, determining a visual axis by applying an adjustment to the optical axis, determining the gaze direction based upon the visual axis, and providing an output based upon the gaze direction.
    Type: Application
    Filed: January 9, 2015
    Publication date: July 14, 2016
    Inventors: Dijia Wu, Michael J. Conrad, Tim Burrell, Xu Miao, Zicheng Liu, Qin Cai, Zhengyou Zhang
  • Publication number: 20160122844
    Abstract: An HT550 steel plate with ultrahigh toughness and excellent weldability and a manufacturing method thereof are disclosed. Based on a component system with ultralow-C, high-Mn, Nb-microalloying, ultramicro Ti treatment, Mn/C is controlled in the range of 15˜30, (% Si)×(% Ceq) is less than or equal to 0.050, (% C)×(% Si) is less than or equal to 0.010, (% Mo)×[(% C)+0.13(% Si)] is in the range of 0.003˜0.020, the ratio Ti/N is in the range of 2.0˜4.0, the steel plate is alloyed with (Cu+Ni+Mo), Ni/Cu is greater than or equal to 1.0, Ca treatment is performed, and Ca/S is in the range of 0.80˜3.00; by optimizing TMCP process, the steel plate has microstructures of fine ferrite plus self-tempered bainite with an average grain size being less than or equal to 15 ?m, yield strength being 460 MPa or more, tensile strength being 550˜700 MPa, yield ratio being 0.85 or less, and ?60° C.
    Type: Application
    Filed: March 26, 2014
    Publication date: May 5, 2016
    Applicant: Baoshan Iron & Steel Co., Ltd.
    Inventors: Zicheng Liu, Xianju Li
  • Publication number: 20160097111
    Abstract: The invention discloses a steel plate resistant to zinc-induced crack and a manufacturing method therefor. A low-alloy steel subjected to low C-ultra low Si-high Mn-low Al—(Ti+Nb) microalloying treatment is taken as a basis; the Al content in the steel is appropriately reduced; the conditions are controlled so that Mn/C?15, [(% Mn)+0.75(% Mo)]×(% C)?0.16, Nb/Ti?1.8 and Ti/N is between 1.50 and 3.40, CEZ?0.44% and the B content is ?2 ppm, Ni/Cu?1.50; a Ca treatment is performed and the Ca/S ratio is controlled between 1.0 and 3.0, with (% Ca)×(% S)0.28?1.
    Type: Application
    Filed: March 5, 2014
    Publication date: April 7, 2016
    Inventors: Zicheng Liu, Yong WU, Xianju Li
  • Patent number: 9240056
    Abstract: Videos are retargeted to a target display for viewing with little to no geometric distortion or video information loss. Salient regions of video frames may be determined using scale-space spatiotemporal information. Video information loss may be a result of spatial loss, due to cropping, and resolution loss, due to resizing. A desired cropping window may be determined using a coarse-to-fine searching strategy. Video frames may be cropped with a window that matches an aspect ratio of the target display, and resized isotropically to match a size of the target display.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: January 19, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Gang Hua, Cha Zhang, Zhengyou Zhang, Zicheng Liu, Ying Shan
  • Publication number: 20150278599
    Abstract: 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.
    Type: Application
    Filed: March 26, 2014
    Publication date: October 1, 2015
    Applicant: Microsoft Corporation
    Inventors: Zhengyou Zhang, Qin Cai, Zicheng Liu, Jia-Bin Huang
  • Publication number: 20150242107
    Abstract: 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.
    Type: Application
    Filed: January 14, 2015
    Publication date: August 27, 2015
    Applicant: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Yinpeng CHEN, Zicheng LIU, Zhengyou ZHANG
  • Publication number: 20150227814
    Abstract: A technique for multi-camera object tracking is disclosed that preserves privacy of imagery from each camera or group of cameras. This technique uses secure multi-party computation to compute a distance metric across data from multiple cameras without revealing any information to operators of the cameras except whether or not an object was observed by both cameras. This is achieved by a distance metric learning technique that reduces the computing complexity of secure computation while maintaining object identification accuracy.
    Type: Application
    Filed: April 22, 2015
    Publication date: August 13, 2015
    Inventors: Chun-Te Chu, Jaeyeon Jung, Zicheng Liu, Ratul Mahajan
  • Patent number: 9065976
    Abstract: Multi-device capture and spatial browsing of conferences is described. In one implementation, a system detects cameras and microphones, such as the webcams on participants' notebook computers, in a conference room, group meeting, or table game, and enlists an ad-hoc array of available devices to capture each participant and the spatial relationships between participants. A video stream composited from the array is browsable by a user to navigate a 3-dimensional representation of the meeting. Each participant may be represented by a video pane, a foreground object, or a 3-D geometric model of the participant's face or body displayed in spatial relation to the other participants in a 3-dimensional arrangement analogous to the spatial arrangement of the meeting. The system may automatically re-orient the 3-dimensional representation as needed to best show a currently interesting event.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: June 23, 2015
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Rajesh K. Hegde, Zhengyou Zhang, Philip A. Chou, Cha Zhang, Zicheng Liu, Sasa Junuzovic
  • Patent number: 9055607
    Abstract: 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.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: June 9, 2015
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Michael J. Sinclair, Yuan Kong, Zhengyou Zhang, Behrooz Chitsaz, David W. Williams, Silviu-Petru Cucerzan, Zicheng Liu
  • Publication number: 20150124046
    Abstract: 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.
    Type: Application
    Filed: December 16, 2014
    Publication date: May 7, 2015
    Inventors: Christian Huitema, William A.S. Buxton, Jonathan E. Paff, Zicheng Liu, Rajesh Kutpadi Hegde, Zhengyou Zhang, Kori Marie Quinn, Jin Li, Michel Pahud
  • Patent number: 9014420
    Abstract: Described is providing an action model (classifier) for automatically detecting actions in video clips, in which unlabeled data of a target dataset is used to adaptively train the action model based upon similar actions in a labeled source dataset. The target dataset comprising unlabeled video data is processed into a background model. The action model is generated from the background model using a source dataset comprising labeled data for an action of interest. The action model is iteratively refined, generally by fixing a current instance of the action model and using the current instance of the action model to search for a set of detected regions (subvolumes), and then fixing the set of subvolumes and updating the current instance of the action model based upon the set of subvolumes, and so on, for a plurality of iterations.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: April 21, 2015
    Assignee: Microsoft Corporation
    Inventors: Zicheng Liu, Liangliang Cao