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).

  • Publication number: 20170199589
    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: Application
    Filed: January 4, 2017
    Publication date: July 13, 2017
    Inventor: Lin Du
  • Patent number: 9706255
    Abstract: A method for distributing a video program to first and second devices is disclosed. The method comprises receiving a request for the video program from one of the first and second devices, both registered in an account at the server; transmitting the video program, but not information related to the video program, to a first selected one of the two devices according to a distance between the two devices; and transmitting the information related to the video program, but not the video program, to a second selected one of the two devices according to the distance.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: July 11, 2017
    Assignee: THOMSON LICENSING
    Inventors: Yan Xu, Lin Du, Wei Zhou
  • Publication number: 20170195652
    Abstract: Embodiments of the present application disclose a light field display control method and apparatus and a light field display device. The light field display control method comprises: determining at least one depth distribution sub-region of content according to a display depth of field (DoF) range of a light field display device and depth distribution information of the content, wherein each depth distribution sub-region of the at least one depth distribution sub-region is located outside the display DoF range; and adjusting a focal length of a first lenslet according to at least the display DoF range and the depth distribution sub-region, wherein the first lenslet is a lenslet that is in a lenslet array of the light field display device and affects display of a first object, and the first object is a part, which is located in the depth distribution sub-region, of the content.
    Type: Application
    Filed: December 17, 2016
    Publication date: July 6, 2017
    Inventors: Lin Du, Liang Zhou
  • Publication number: 20170195661
    Abstract: Embodiments of the present application disclose a light field display control method and apparatus and a light field display device. The light field display control method comprises: determining at least one depth distribution sub-region of content according to a display depth of field (DoF) range of a light field display device and depth distribution information of the content, wherein each depth distribution sub-region of the at least one depth distribution sub-region is located outside the display DoF range; and tilting a first lenslet with respect to an original plane of a lenslet array of the light field display device according to at least the display DoF range of the light field display device and the depth distribution sub-region, wherein the first lenslet is a lenslet that is in the lenslet array of the light field display device and affects display of a first object, and the first object is a part, which is located in the depth distribution sub-region, of the content.
    Type: Application
    Filed: December 17, 2016
    Publication date: July 6, 2017
    Inventors: Lin Du, Liang Zhou
  • Publication number: 20170195659
    Abstract: Embodiments of the present application disclose a light field display control method and apparatus and a light field display device. The light field display control method comprises: determining a partial depth distribution sub-region of content according to at least depth distribution information of the content; and adjusting a focal length of a first lenslet according to at least a display depth of field (DoF) range of a light field display device and the depth distribution sub-region, wherein the first lenslet is a lenslet that is in a lenslet array of the light field display device and affects display of a first object, and the first object is a part, which is located in the depth distribution sub-region, of the content. The present application can improve display quality of an object which is located in a partial depth distribution sub-region of content to be displayed or content being displayed.
    Type: Application
    Filed: December 17, 2016
    Publication date: July 6, 2017
    Inventors: Lin Du, Liang Zhou
  • Publication number: 20170195660
    Abstract: Embodiments of the present application disclose a light field display control method and apparatus and a light field display device. The light field display control method comprises: determining a partial depth distribution sub-region of content according to at least depth distribution information of the content; and tilting a first lenslet with respect to an original plane of a lenslet array of a light field display device according to at least a display depth of field (DoF) range of the light field display device and the depth distribution sub-region, wherein the first lenslet is a lenslet that is in the lenslet array and affects display of a first object, and the first object is a part, which is located in the depth distribution sub-region, of the content. The present application can improve display quality of an object, which is located in a partial depth distribution sub-region, of content to be displayed or content being displayed.
    Type: Application
    Filed: December 17, 2016
    Publication date: July 6, 2017
    Inventors: Lin Du, Liang Zhou
  • Patent number: 9697797
    Abstract: It is provided a method for displaying content on a screen where light intensity of each pixel of the screen is adjustable. The method comprises steps of receive a touch of a touching object on the screen; and adjusting light intensity so as to make surrounding pixels of a contact point between the touching object and the screen have a higher intensity and rest pixels have no light intensity or a lower light intensity, wherein, the lower light intensity enables content displayed on corresponding pixels perceptible to a user.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: July 4, 2017
    Assignee: Thomson Licensing
    Inventors: Wenjuan Song, Jianping Song, Lin Du
  • Patent number: 9680610
    Abstract: Methods and apparatuses for error control in 3D video transmission over wireless network are described. Cooperative Automatic Repeat re Quest(ARQ) is disclosed, which is based on the selective repeat ARQ with consideration of two factors: one is the interdependent relationship between the multiple components of the 3D video, e.g. the 2D video and its depth information in the 2D-plus-Depth format; and the other is time constraints of video frames/packets for continuous video playback. The disclosed cooperative ARQ allows the sender to control ARQ strength adaptively on a per-frame/per-packet basis.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: June 13, 2017
    Assignee: THOMSON LICENSING
    Inventors: Yan Xu, Lin Du, Jianping Song
  • Publication number: 20170160814
    Abstract: The present application provides a tactile feedback method, comprising: determining, on skin of a user, a region where contact between the user and a content presented in virtual reality (VR) occurs; and generating, according to relevant information of the content presented in the VR, at least a first contact feedback in the region where the contact occurs. The present application further provides a tactile feedback apparatus and a VR interactive system. The technical solutions provided by embodiments of the present application are used to cause that it is unnecessary to use a VR interactive controller and it is also unnecessary to perform a tactile feedback in a large scope, thereby greatly reducing costs and energy consumption needed for generating a tactile feedback.
    Type: Application
    Filed: November 10, 2016
    Publication date: June 8, 2017
    Inventors: Lin Du, Liang Zhou
  • Publication number: 20170160805
    Abstract: The present application provides a tactile feedback method, comprising: determining, on a virtual reality (VR) interactive controller, a region where contact between a user and the VR interactive controller occurs; and generating, according to relevant information of an object simulated by the VR interactive controller, at least a first contact feedback in the region where the contact occurs. The present application also provides a tactile feedback apparatus and a VR interactive system. The technical solutions provided by embodiments of the present application are used to cause that it is unnecessary to provide a tactile feedback to a user on the entire VR interactive controller, thereby greatly reducing energy consumption needed for generating a tactile feedback.
    Type: Application
    Filed: November 18, 2016
    Publication date: June 8, 2017
    Inventors: Lin Du, Liang Zhou
  • Publication number: 20170147079
    Abstract: Embodiments of the present application disclose a human body-based interaction method and interaction apparatus. The method includes: acquiring phase change information of a second signal; the second signal being formed by a first signal through transmission of at least one transmission medium, the at least one transmission medium including the body of a user; and according to a first corresponding relationship between at least one phase change information and at least one motion and/or posture information of the user, determining motion and/or posture information of the user corresponding to the phase change information. At least one example embodiment of the present application determines motion and/or posture information of a user merely by using phase change information of a signal transmitted through the user's body, so that determination of the motion and/or posture information of the user is more convenient and accurate.
    Type: Application
    Filed: December 29, 2014
    Publication date: May 25, 2017
    Inventors: Yuanchun SHI, Yuntao WANG, Lin DU
  • Patent number: 9654768
    Abstract: The present invention relates to a computer device comprising a detector for detecting a user's eye and a processor. The processor is configured to determine if the position of the user's eye is kept in a zone for a first time period, and if the position of the user's eye is kept in the zone for the first time period, suspend for a second time period detecting the user's eye and determining the position of the user's eye.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: May 16, 2017
    Assignee: Thomson Licensing
    Inventors: Peng Qin, Lin Du, Guanghua Zhou
  • Publication number: 20170115733
    Abstract: Haptic feedback generation methods and apparatuses relating to the field of haptic feedback are provided. The method comprises: sending, through a first medium comprising a first part of a user body, a first mechanical wave to an object touched by the first part; and in response to that a second part of the user body touches a target position of the object, sending, to the object through a second medium, a second mechanical wave that is used to form a haptic signal at the target position with the first mechanical wave, wherein the second medium comprises the second part of the user body. A source for forming the haptic signal can be at the target position, to cause that an effective haptic feedback to the user can be formed with little energy consumption, and poor experience of the user caused by vibration of an entire object is avoided.
    Type: Application
    Filed: April 30, 2015
    Publication date: April 27, 2017
    Applicant: Beijing Zhigu Rui Tuo Tech Co., Ltd
    Inventor: Lin DU
  • Patent number: 9635075
    Abstract: A user assigns a major and minor channel number combination to a media service which does not have such a pre-existing combination, where such a media service is accessed by using such a channel combination without having to resort to the typical means of accessing the media service, such as using a web site URL or radio frequency. Optionally, the invention will automatically update the minor numbers associated with a media service when older versions of the media service become unavailable.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: April 25, 2017
    Assignee: Thomson Licensing DTV
    Inventors: Xiao Jun Ma, Jun Li, Lin Du, Jian Ping Song
  • Publication number: 20170083097
    Abstract: The present application provides a haptic feedback generation method and apparatus, and relates to the field of haptic feedback. The method comprises: in response to that a user body touches an object, sending a second mechanical wave that is used to form a haptic signal at a touch position with a first mechanical wave generated by the user body. A source for forming the haptic signal can be at the touch position, to cause that an effective haptic feedback to a user can be formed with little energy consumption, and poor experience of the user caused by vibration of an entire object is avoided.
    Type: Application
    Filed: April 30, 2015
    Publication date: March 23, 2017
    Inventor: Lin DU
  • Publication number: 20170052694
    Abstract: Embodiments of the present application disclose a gesture-based interaction method and interaction apparatus, and a user equipment. The method comprising: acquiring touch information corresponding to a touch event on a touch sensing surface; and in response to that determining the touch event according to the touch information meets at least one set condition, performing an operation corresponding to the touch event, wherein the at least one set condition comprises: a first touch by a first finger on the touch sensing surface comprises a fingertip touch and a finger joint touch that occur in order. Technical solutions of the embodiments of the present application enrich a manner for interacting with an electronic device having a touch sensing surface.
    Type: Application
    Filed: August 11, 2016
    Publication date: February 23, 2017
    Inventors: Lin Du, Ying Hu
  • Publication number: 20170038832
    Abstract: The present application provides an interaction method and system, and relates to the field of information interaction. The method comprises: sending a first wave signal; 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 a user body; and judging whether the user body contacts an 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: Application
    Filed: March 12, 2015
    Publication date: February 9, 2017
    Applicant: Beijing Zhigu Rui Tuo Tech Co., Ltd.
    Inventors: Lin DU, Lei PAN
  • Publication number: 20170041620
    Abstract: Image processing methods and image processing apparatuses are provided. The image processing method comprises: determining at least one region of interest in an image; determining a parameter of interest of pixels in the image at least according to distribution of the at least one region of interest in the image; determining target positions of the pixels according to the parameter of interest of the pixels and a reduction ratio; and obtaining, according to the target positions of the pixels, a reduced image corresponding to the image. A proportion occupied by pixels of each region in a reduced image after compression is determined according to a degree of interest of a user in each region in an image, to cause a region appreciated by the user to be presented with high quality during restoration, and facilitate image processing after compression.
    Type: Application
    Filed: March 12, 2015
    Publication date: February 9, 2017
    Applicant: Beijing Zhigu Rui Tuo Tech Co., Ltd.
    Inventors: Lin DU, Dayong DING
  • Publication number: 20170041084
    Abstract: The present application provides an interaction method and system, and relates to the field of information interaction. The method comprises: in response to contact between a user body and an object, receiving a wave signal that is sent by the object and is transmitted by using a medium comprising at least a part of the user body. The system comprises: a receiving apparatus, configured to: in response to contact between a user body and an object, receive a wave signal that is sent by the object and is transmitted by using a medium comprising at least a part of the user body. 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: Application
    Filed: March 12, 2015
    Publication date: February 9, 2017
    Applicant: Beijing Zhigu Rui Tui Tech Co., Ltd.
    Inventors: Lin DU, Lei PAN
  • Publication number: 20170031474
    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: Application
    Filed: March 12, 2015
    Publication date: February 2, 2017
    Inventor: Lin DU