Patents by Inventor Ran DUAN

Ran DUAN 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: 20190069020
    Abstract: The present application provides a playing method and a playing system. The playing method includes: playing display contents by a first display device; upon receipt of a storage instruction, recording playing position information and sending matching information to a second display device by the first display device; searching, by the second display device, for the first display device that sends the matching information upon receipt of a resuming instruction; pairing the first display device with the second display device; transmitting, by the first display device, the playing position information to the second display device; and resuming, by the second display device, playing the display contents according to the playing position information.
    Type: Application
    Filed: March 23, 2018
    Publication date: February 28, 2019
    Inventor: Ran DUAN
  • Patent number: 10219028
    Abstract: Provided are a display, a display device, a player, a playing device, and a playing display system. The display comprises at least two first display interfaces, a decode, and at least two data channels. Each first display interface is configured to receive a first image data stream transmitted by a second display interface with which a connection has already been established in a player. The first image data stream includes at least one start data frame and a second image data stream, the start data frame carries a data channel identifier. The decoder is configured to parse each first image data stream, and obtain a data channel corresponding to each second image data stream. Each data channel is configured to receive and output the corresponding second image data stream. The display can ensure that images displayed on a screen will not be ordered, and the operation is simple.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: February 26, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Ran Duan
  • Patent number: 10217199
    Abstract: A system for dynamic range expansion of digital images includes: an optimizing device configured to calculate and store the output histogram of the previous frame of image data, calculate and obtain the mapping function according to the output histogram of the previous frame of image data and obtain the mapping table of the previous frame of image data according to the mapping function; and a mapping device configured to receive a next frame of image data and process the next frame of image data with the mapping table of the previous frame of image data to generate the enhanced image data. The present system enables processing ultrahigh definition images with very low requirements on hardware requirement. There is further provided a method and a non-volatile storage medium for dynamic range expansion of digital images.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: February 26, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Pablo Navarrete Michelini, Han Yan, Ran Duan
  • Patent number: 10212340
    Abstract: A medical imaging system is disclosed in the present invention, including a medical image acquisition device and medical image processing system. Said medical image acquisition device includes: an acquisition apparatus for acquiring image signals in a medical process from a first viewing angle of a doctor; and a signal processing apparatus for performing a first processing on the acquired image signals and then sending digital image signals in the form of data stream. Said medical image processing system includes: a signal transmission module for receiving a data stream of digital image signals from a medical image acquisition device; and an image processing module for processing the received data stream of digital image signals in real time according to a predetermined image processing method so as to obtain optimized digital medical image signals.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: February 19, 2019
    Inventors: Ran Duan, Di Li
  • Publication number: 20190052964
    Abstract: The present disclosure provides a smart headphone. The smart headphone includes a sensor configured to sense external information, a memory configured to store feature information, and a controller operatively connected to the sensor and the memory, respectively, and the controller is configured to compare the external information sensed by the sensor with the feature information stored in the memory, and to control a playback state of audio information in the smart headphone according to the result of the comparison.
    Type: Application
    Filed: June 28, 2018
    Publication date: February 14, 2019
    Inventors: Xitong Ma, Ran Duan, Lihua Geng
  • Publication number: 20190012772
    Abstract: A system for dynamic range expansion of digital images includes: an optimizing device configured to calculate and store the output histogram of the previous frame of image data, calculate and obtain the mapping function according to the output histogram of the previous frame of image data and obtain the mapping table of the previous frame of image data according to the mapping function; and a mapping device configured to receive a next frame of image data and process the next frame of image data with the mapping table of the previous frame of image data to generate the enhanced image data. The present system enables processing ultrahigh definition images with very low requirements on hardware requirement. There is further provided a method and a non-volatile storage medium for dynamic range expansion of digital images.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 10, 2019
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Pablo Navarrete Michelini, Han Yan, Ran Duan
  • Publication number: 20190007229
    Abstract: A device for controlling electrical appliances is described, which includes a projector configured to project a graphical interface having a plurality of image areas representing different electrical appliances respectively; a camera configured to obtain a first image including an operation action of a user on the graphical interface; and a controller configured to determine a target image area and a control instruction corresponding to the operation action according to said first image and to send said control instruction to an electrical appliance corresponding to the target image area.
    Type: Application
    Filed: April 4, 2018
    Publication date: January 3, 2019
    Inventor: Ran DUAN
  • Publication number: 20190005614
    Abstract: The present disclosure provides a method and an apparatus for stretching an image. The method for stretching an image includes: selecting a corresponding stretching mode according to a mode selection parameter; generating a corresponding stretching filter group according to a stretching parameter and the selected stretching mode, and segmenting input image data into blocks; and processing the input image data segmented into blocks by the stretching filter group, to obtain stretched image data.
    Type: Application
    Filed: March 1, 2018
    Publication date: January 3, 2019
    Inventors: Xiaoyu LI, Pablo Navarrete MICHELINI, Ran DUAN, Lihua GENG, Xitong MA
  • Patent number: 10156451
    Abstract: The present disclosure provides method and device of establishing a navigation route. The method includes: acquiring a user's current position and a destination for the user; and establishing a navigation route between the current position and the destination according to user information and destination information, the user information including the type and/or a current speed of the user, the destination information including the number of people and/or an estimated visit duration at the destination, the destination including ones, at which the user has not yet arrived, of recommended sightseeing spots and/or user-interested sightseeing spots.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: December 18, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiao Zhang, Ran Duan, Fan Yang
  • Patent number: 10115180
    Abstract: The present application discloses an image interpolation method for interpolating a pixel and enhancing an edge in an image, comprising detecting an edge position in an image; obtaining edge characteristics associated with the edge position; determining whether an interpolation point is located within an edge region based on the edge characteristics of an array of p×q pixels surrounding the interpolation point, wherein p and q are integers larger than 1; determining edge direction of an interpolation point located within the edge region, wherein the edge direction is normal to gradient direction; classifying the edge direction accordingly to in angle subclasses and n angle classes; wherein each angle class comprises one or more subclasses, m and n are integers, and n?m; selecting a one-dimensional horizontal interpolation kernel based on the angle class; performing a horizontal interpolation using the selected one-dimensional horizontal interpolation kernel; and performing a vertical interpolation using a one
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: October 30, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ran Duan, Lijie Zhang
  • Publication number: 20180310047
    Abstract: A method and apparatus for synchronizing audio and video signals, the method includes: extracting header information of respective image frames contained in the video signal; and adjusting output of the audio signal according to the header information of the respective image frames so as to output the audio data in synchronization with the video signal. In the method and apparatus according to the present disclosures, image frame information of the video signal is extracted, and the corresponding image frame information is provided to the audio signal, so as to adjust output of the audio signal, thus ensuring the synchronization between the output of the audio signal and the output of the video signal, thereby improving quality of audio-visual programs and enhancing user experience.
    Type: Application
    Filed: June 14, 2017
    Publication date: October 25, 2018
    Applicant: BOE Technology Group Co., Ltd.
    Inventor: Ran Duan
  • Publication number: 20180306592
    Abstract: The present disclosure provides method and device of establishing a navigation route. The method includes: acquiring a user's current position and a destination for the user; and establishing a navigation route between the current position and the destination according to user information and destination information, the user information including the type and/or a current speed of the user, the destination information including the number of people and/or an estimated visit duration at the destination, the destination including ones, at which the user has not yet arrived, of recommended sightseeing spots and/or user-interested sightseeing spots.
    Type: Application
    Filed: November 10, 2017
    Publication date: October 25, 2018
    Inventors: Xiao Zhang, Ran Duan, Fan Yang
  • Publication number: 20180293932
    Abstract: The disclosure provides a method for display control, a display control device and a display control system. The method includes: dividing a single display screen into display regions which are arranged into an M×N array, where M is an integer larger than 1 and N is an integer larger than 1; and controlling respective display regions to display corresponding images, such that the images displayed by all the display regions are allowed to be spliced together to present a picture to be displayed by the display screen.
    Type: Application
    Filed: April 18, 2017
    Publication date: October 11, 2018
    Inventor: Ran DUAN
  • Patent number: 10097803
    Abstract: A display processing apparatus includes a primary processing chip configured to receive a first ultra-high-definition video image and generate sub-branch primary image signals, and secondary processing chips coupled to the primary processing chip and to each other. Each of the secondary processing chips is configured to receive and process one of the sub-branch primary image signals to generate a first output image signal, receive and process an image section signal obtained from a second ultra-high-definition video image to generate a second output image signal.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: October 9, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Ran Duan
  • Publication number: 20180267758
    Abstract: A joining control method, a joining control device and a joined screen system, the joining control method including: outputting a first test image data to a joined screen according to the correspondence between images and ports; acquiring feedback image data, the feedback image being an image which is displayed on the joined screen and corresponds to the first test image data; if a feedback sub-image in the feedback image is identical to a test sub-image in the first test image but in a different position, establishing correspondence between the output port of the test sub-image data and the position of the feedback sub-image so as to update the correspondence between the images and the ports. The method can automatically adjust the output signal of the output ports, such that the joined screen can display the correct picture without the need to repeatedly plug and unplug cables.
    Type: Application
    Filed: August 16, 2016
    Publication date: September 20, 2018
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Tianyue Zhao, Ran Duan
  • Publication number: 20180188034
    Abstract: An escape route generating method, device and system. The escape route generating method includes: acquiring an initial route map by identifying identification information of an identification node; receiving fire parameter information; generating an escape route according to the fire parameter information and the initial route map; and providing the escape route.
    Type: Application
    Filed: September 7, 2017
    Publication date: July 5, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Ran DUAN
  • Publication number: 20180063498
    Abstract: A display processing apparatus includes a primary processing chip configured to receive a first ultra-high-definition video image and generate sub-branch primary image signals, and secondary processing chips coupled to the primary processing chip and to each other. Each of the secondary processing chips is configured to receive and process one of the sub-branch primary image signals to generate a first output image signal, receive and process an image section signal obtained from a second ultra-high-definition video image to generate a second output image signal.
    Type: Application
    Filed: December 26, 2016
    Publication date: March 1, 2018
    Inventor: Ran DUAN
  • Publication number: 20180013978
    Abstract: A video signal conversion method, a corresponding video signal conversion device and a display system including the video signal conversion device, by which low-resolution video signals can be converted and combined into a high-resolution video signal, such that a high-resolution image combined by low-resolution images can be displayed on an ultra-high definition display screen. The video signal conversion method includes: receiving in parallel a plurality of sub-frames divided from a low-resolution image of a video signal; performing image processing on each of the received sub-frames; and synthesizing the plurality of sub-frames after being subjected to the image processing into a high-resolution image frame and displaying the high-resolution image on a display device.
    Type: Application
    Filed: February 18, 2016
    Publication date: January 11, 2018
    Applicant: Boe Technology Group Co., Ltd.
    Inventors: Ran DUAN, Lihua GENG
  • Publication number: 20170140712
    Abstract: The present disclosure provides an image processing method and system. The method may include: acquiring an image to be displayed; determining a distance between a display device and a user; comparing the determined distance with a plurality of optimum watching distances respectively, wherein the optimum watching distances are acceptable shortest distances corresponding to different resolutions for the display device when the user watches images displayed on the display device in a full vision under a vision limit; and processing the acquired image for displaying, according to a result of the comparing.
    Type: Application
    Filed: September 8, 2015
    Publication date: May 18, 2017
    Inventors: Jing Yu, Ran Duan, Yanfu Li
  • Publication number: 20170134796
    Abstract: Provided are a display, a display device, a player, a playing device, and a playing display system. The display comprises at least two first display interfaces, a decoder, and at least two data channels. Each first display interface is configured to receive a first image data stream transmitted by a second display interface with which a connection has already been established in a player. The first image data stream includes at least one start data frame and a second image data stream, the start data frame carries a data channel identifier. The decoder is configured to parse each first image data stream, and obtain a data channel corresponding to each second image data stream. Each data channel is configured to receive and output the corresponding second image data stream. The display can ensure that images displayed on a screen will not be ordered, and the operation is simple.
    Type: Application
    Filed: October 22, 2015
    Publication date: May 11, 2017
    Applicant: BOE Technology Group Co., Ltd.
    Inventor: Ran DUAN