Patents by Inventor Lin Du

Lin Du 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: 10291896
    Abstract: Various display control methods and apparatuses and various display devices are provided. A method comprises: acquiring movement information of a display device; adjusting a display image distance of at least one display object according to the movement information; and controlling the display device to display the at least one display object at least according to the adjusted display image distance. A visual effect and user experience can thereby be improved.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: May 14, 2019
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD
    Inventors: Liang Zhou, Lin Du
  • Patent number: 10283093
    Abstract: Embodiments of the present application disclose various light field display control methods and apparatus, and various light field display devices. One of the methods comprises: determining a first display region of a display of a light field display device according to target vision adjustment range information; adjusting display pixel density distribution of the display, to cause that display pixel density distribution of the first display region in the display after the adjustment is different from that of another display region of the display; performing sampling processing on a first light field image according to location information of display pixels of the display after the adjustment, the first light field image being corresponding to vision information in the target vision adjustment range and related to a source image; and displaying, by the light field display device after the adjustment, the first light field image undergone the sampling processing.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: May 7, 2019
    Assignee: Beijing Zhigu Tech Co., Ltd.
    Inventors: Liang Zhou, Lin Du
  • Patent number: 10283092
    Abstract: Embodiments of the present application provide various image display control methods and apparatus, and various display devices. One of the image display control methods comprises: acquiring target pixel density distribution information displayed by an image; adjusting display pixel density distribution of a display according to the target pixel density distribution information; and displaying the image according to the adjusted display. The technical solutions provided in the embodiments of the present application can fully use overall display pixels of a display to differently present display definition of different regions in an image and improve actual usage of the display pixels, which can better meet diversified application needs of a user.
    Type: Grant
    Filed: October 10, 2015
    Date of Patent: May 7, 2019
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD.
    Inventor: Lin Du
  • Publication number: 20190125994
    Abstract: Examples described herein include systems and ventilators for performing automated ventilation procedures. The automated ventilation procedure may automatically adjust ventilator parameters (e.g., PEEP) to perform a procedure such as a recruitment maneuver, PEEP titration, a recruitability assessment, or combinations thereof.
    Type: Application
    Filed: October 27, 2017
    Publication date: May 2, 2019
    Applicant: OrangeMed, Inc.
    Inventors: Hong-Lin Du, Germano Forti
  • Patent number: 10275018
    Abstract: Interaction methods and systems are provided relating to the field of information interaction. A method comprises: sending a first wave signal; in response to contact between a user body and an object, receiving a second wave signal that corresponds to the first wave signal after the first wave signal is transmitted by using a medium comprising at least a part of the user body; and obtaining a parameter of the contact between the user body and the object according to a signal characteristic of the received second wave signal. The interaction method and system can help a user to naturally and efficiently complete an information interaction process, simplify an interaction process, and improve the interaction efficiency.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: April 30, 2019
    Assignee: Beijing Zhigu Rui Tuo Tech Co., Ltd
    Inventor: Lin Du
  • Patent number: 10271722
    Abstract: To facilitate observation of object(s), an imaging process can include or an imaging device can perform detecting a position of a focusing point of an eye of a user, determining, according to the position of the focusing point, an object gazed by the user, and changing a size of target imaging of the gazed object on the fundus of the user according to a predetermined zooming rule. The size of the target imaging of the gazed object on the fundus of the user can be automatically changed by optical zooming processing, so that the user can observe the gazed object at a modest distance and with a moderate size of the imaging on the fundus, and therefore it may be convenient for the user to observe the gazed object.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: April 30, 2019
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD.
    Inventors: Kuifei Yu, Lin Du, Wei Shi
  • Patent number: 10275051
    Abstract: Embodiments of the present application provide an interaction method, an interaction device, and an operation stick. The interaction method comprises: determining a height of an input position in three-dimensional display content, where the input position is selected by a user by controlling contact between an operation stick and an operation panel by using a partial limb; and controlling a physical property of a first part between a first position in the operation stick and a first contact part at least according to the height, where the operation stick is in contact with the operation panel in the first position, and is in contact with the partial limb at the first contact part, and the physical property is a property that can affect a straight-line distance between the first position and the first contact part. Embodiments of the present application provide a solution for mixed reality (MR) interaction.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: April 30, 2019
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD.
    Inventor: Lin Du
  • Patent number: 10275933
    Abstract: The invention provides a method and apparatus for rendering an object for a plurality of 3D displays. The method comprises determining one of the plurality of 3D displays to render the object according to the relationship, in a global coordinate system, the position of the object and a region defined from a user's eyes to the 3D display; and rendering the object on the determined 3D display.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: April 30, 2019
    Assignee: THOMSON LICENSING
    Inventors: Lin Du, Wenjuan Song, Wei Zhou
  • Patent number: 10268265
    Abstract: An information processing method, an information processing apparatus and a user equipment are provided. A method comprises: acquiring sight line information of at least one user in a space; and in response to a determination according to the sight line information that at least one set sight line direction exists, generating an operation instruction; wherein each set sight line direction in the at least one set sight line direction has a first gaze point and a second gaze point distributed front and back, and two starting points of two sight lines respectively corresponding to the first gaze point and the second gaze point are both before the first gaze point. Accordingly, it is easily detected according to at least one user's sight line information that a transparent object or a mirror object exists in a space, facilitating the user or a device to use the object detection result for subsequent operations.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: April 23, 2019
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD
    Inventor: Lin Du
  • Patent number: 10269130
    Abstract: Embodiments of the present application disclose methods and apparatus for control of light field capture. A depth range of a first zone, which is at least a part of a scene to be shot, is acquired. An object distance adjustment range from a pixel point of at least one imaging zone to a reference point of a sub-lens is determined according to the acquired depth range. The at least one imaging zone is an imaging zone that affects light field capture of the first zone in an image sensor of a light field camera. The sub-lens corresponds to the at least one imaging zone in a sub-lens array of the light field camera. A bending degree of the at least one imaging zone is adjusted according to the object distance adjustment range. After being adjusted, the image sensor captures the light field emanating from the scene to be shot.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: April 23, 2019
    Assignee: Beijing Zhigu Tech Co., Ltd.
    Inventors: Lin Du, Liang Zhou
  • Patent number: 10261345
    Abstract: An imaging analysis apparatus includes: an information processing module, used to receive position and depth information of an imaging lens group and/or imaging receiver relative to an object, obtain an imaging parameter corresponding to the imaging lens group according to the position and depth information, and send the obtained imaging parameter. An imaging lens group, used to image an object, can include subregions having adjustable imaging characteristics; and a lens adjustment module, used to receive the imaging parameter of the imaging lens group, determine a subregion corresponding to the imaging parameter, and adjust the imaging characteristic of the subregion. An object can be imaged by using an imaging lens in which each subregion has adjustable imaging parameters, thereby adjusting and correcting a perspective deformation that occurs on the object, and preventing a perspective deformation from occurring on an image of the object acquired by a user.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: April 16, 2019
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD
    Inventors: Lin Du, Hongjiang Zhang
  • Patent number: 10261577
    Abstract: The present application provides a method and device for determining input information, and relates to the field of a wearable device. The method comprises in response to a first part of a body of a user executing an action, acquiring target blood-flow information about the first part or a second part that corresponds to the first part; and determining input information according to the target blood-flow information and reference information. According to the method and device, the body of the user is used as an input interface, to cause an interaction area to be increased, which helps to improve input efficiency and user experience.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: April 16, 2019
    Assignee: Beijing Zhigu Rui Tuo Tech Co., Ltd.
    Inventors: Yuanchun Shi, Yuntao Wang, Chun Yu, Lin Du
  • Patent number: 10257502
    Abstract: Embodiments of the present application disclose various methods and an apparatus for controlling light field capture. One method for controlling light field capture comprises: determining, at least according to at least one sub-lens that affects imaging of a first region in a sub-lens array of a light field camera, at least one first sub-lens to be adjusted, the first region being a part of a scene to be shot; determining an object refocusing accuracy of a light field image section captured by the first sub-lens in a light field image of the scene to be shot; adjusting, according to the object refocusing accuracy, a light field capture parameter of the first sub-lens; and performing, based on the light field camera after being adjusted, light field capture on the scene to be shot.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: April 9, 2019
    Assignee: Beijing Zhigu Tech Co., Ltd.
    Inventors: Lin Du, Liang Zhou
  • Patent number: 10255889
    Abstract: Embodiments of the present application disclose various light field display control methods and apparatuses and various light field display devices, wherein a light field display control method disclosed comprises: sampling a source image according to interest level distribution information of the source image; determining a light field image corresponding to the sampled source image; adjusting display pixel density distribution of a display of a light field display device at least according to the interest level distribution information; and displaying the light field image via the adjusted light field display device. The technical solution provided in the embodiments of the present application can make full use of pixels of the display of the light field display device to present differential spatial resolution of different regions of a light field display image.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: April 9, 2019
    Assignee: Beijing Zhigu Rui Tuo Tech Co., Ltd.
    Inventors: Lin Du, Liang Zhou
  • Patent number: 10247813
    Abstract: Embodiments of the present application provide a positioning method and a positioning system. The method comprises: obtaining a reference direction corresponding to a user; determining that an eye of the user is gazing at an auxiliary positioning object; acquiring position information of the auxiliary positioning object; acquiring a distance of the user relative to the auxiliary positioning object; acquiring an angle of a sight line direction of the user relative to the reference direction; and obtaining position information of the user according to the position information of the auxiliary positioning object, the distance of the user relative to the auxiliary positioning object, the reference direction, and the angle of the sight line direction of the user relative to the reference direction.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: April 2, 2019
    Assignee: Beijing Zhigu Rui Tuo Tech Co., Ltd.
    Inventors: Weicai Huang, Lin Du
  • Patent number: 10250816
    Abstract: Embodiments of the present application disclose various image capture control methods and apparatuses. One of the image capture control methods comprises: determining a first zone as an allowable image blur zone, the first zone being a part of a shooting scene; determining a first imaging region that corresponds to the allowable image blur zone in an image sensor; adjusting a first pixel density distribution of the first image sensor, to cause the first pixel density of the imaging region to be lower than a second pixel density of a second imaging region in the image sensor after being adjusted; and performing, by using the image sensor after being adjusted, image capture on the shooting scene.
    Type: Grant
    Filed: October 10, 2015
    Date of Patent: April 2, 2019
    Assignee: Beijing Zhigu Rui Tuo Tech Co., Ltd.
    Inventors: Kuifei Yu, Lin Du
  • Patent number: 10212474
    Abstract: A method of receiving a video program and information related to the video program by a first device registered in a user account of a user as a standalone device at a server is disclosed. The method comprises sending location information of the first device to the server; sending a request to the server for the video program; receiving the video program; and receiving information related to the video program according the location information.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: February 19, 2019
    Assignee: INTERDIGITAL CE PATENT HOLDINGS
    Inventors: Yan Xu, Lin Du, Wei Zhou
  • Publication number: 20190038579
    Abstract: The present disclosure, in at least certain embodiments, is directed to shikimate (shikimic acid) analogues and compositions thereof, kits which contain the shikimate analogues or compositions thereof, and methods of use of the compounds and compositions for treating epithelial surfaces before or following exposure to irritants, allergens, and toxic agents (for example, urushiol).
    Type: Application
    Filed: February 14, 2017
    Publication date: February 7, 2019
    Inventors: Lin Du, Robert Cichewicz, Ken Nicholas, Jianlan You
  • Patent number: 10194793
    Abstract: An imaging method and device are provided for local scaling. The method can comprise determining a gazed object of an eye, determining the corresponding sub-areas of an imaging lens group according to the gazed object, the imaging lens group being configured to scale and image for the gazed object, comprising a plurality of sub-areas with adjustable scaling property, and determining the scaling parameter of the corresponding sub-areas according to the gazed object. In the method and the device of at least one embodiment of this application, the images of the gazed object in the user's fundus can be scaled in a local scaling mode, so as to avoid changing the overall view of the user and to enable the user to conveniently observe the gazed object and to simultaneously correctly perceive the surrounding environment.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: February 5, 2019
    Assignee: Beijing Zhigu Rui Tuo Tech Co., Ltd.
    Inventors: Lin Du, Wei Shi, Kuifei Yu
  • Patent number: 10197437
    Abstract: Embodiments of the present application disclose a method and an apparatus for obtaining vibration information and a piece of user equipment. The method comprises: obtaining multiple groups of electromagnetic wave receiving signals corresponding to multiple receiving locations; obtaining, according to transmission channel information between the multiple receiving locations and the multiple reflective units and the multiple groups of electromagnetic wave receiving signals, multiple reflected electromagnetic wave signals respectively corresponding to the multiple reflective units; and obtaining, according to the multiple reflected electromagnetic wave signals, multiple pieces of vibration information respectively corresponding to the multiple reflective units.
    Type: Grant
    Filed: October 10, 2015
    Date of Patent: February 5, 2019
    Assignee: Beijing Zhigu Rui Tuo Tech Co., Ltd.
    Inventor: Lin Du