Patents Assigned to Beijing 7Invensun Technology Co., Ltd.
  • Patent number: 11853471
    Abstract: A method and apparatus for controlling an image acquisition device are provided. The method includes that: multiple images photographed by multiple image acquisition devices are acquired; an active image acquisition device and an inactive image acquisition device in the multiple image acquisition devices are determined according to the multiple images; the active image acquisition device is controlled to photograph a first image by using a first configuration, and the inactive image acquisition device is controlled to photograph a second image by using a second configuration; the first image transmitted by the active image acquisition device is acquired, and the second image transmitted by the inactive image acquisition device is acquired, and a bandwidth required by the active image acquisition device to transmit the first image is greater than a bandwidth required by the inactive image acquisition device to transmit the second image.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: December 26, 2023
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Yang Fu, Yunfei Wang, Tongbing Huang
  • Patent number: 11380134
    Abstract: The disclosure discloses a method and device for determining parameter for a gaze tracking device. The method includes that: an image to be detected and a characteristic matrix of the image to be detected are acquired; the image to be detected is processed according to a preset model to obtain a first vector and second vector of the image to be detected; and a parameter of the image to be detected is determined according to the first vector and the second vector, the parameter of the image to be detected including at least one of: a position of a glint in the image to be detected and a gaze direction of eyes in the image to be detected.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: July 5, 2022
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Wei Liu, Jian Wang, Dongchun Ren, Fengmei Nie, Xiaohu Gong
  • Patent number: 11334155
    Abstract: A pair of smart glasses includes: a frame, a display assembly, an adjustable camera assembly (30), a sensor assembly, and a micro-controller (50). The frame includes a first side frame, a main frame (120) and a second side frame (130) connected in sequence. The main frame is supported in front of the eyes of the wearable device user. The display assembly is fixed on the main frame, and is connected to the micro-controller. The adjustable camera assembly is arranged on the main frame, and is connected to the micro-controller. The sensor assembly is arranged inside the frame, and is connected to the micro-controller. The micro-controller is arranged inside the frame.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: May 17, 2022
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Linchan Qin, Lin Liu, Tongbing Huang
  • Patent number: 11250588
    Abstract: The present disclosure discloses a method and apparatus for filtering glints. The method includes that: a first image and a reference image matched with the first image are acquired, and first-type glints are displayed in the first image; second-type glints in the first image are determined according to the reference image, and the second-type glints are glints obtained by estimating glints in the first image on the basis of the reference image; a matching result of the first-type glints and the second-type glints is determined according to first positions of the first-type glints and second positions of the second-type glints; and the first-type glints are filtered according to the matching result.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: February 15, 2022
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Wei Liu, Dongchun Ren, Xiaohu Gong, Meng Yang, Fengmei Nie
  • Patent number: 11221492
    Abstract: The present disclosure belongs to the field of intelligent wearing technology, and discloses an eye tracking apparatus and an eye tracking device, which are designed to improve the problem that the existing eye tracking apparatus based on a pupil-cornea reflection method is susceptible to ambient light interference. The eye tracking apparatus includes a mounting frame, an eye tracking component and a hood, and the mounting frame is configured to be connected with a head-mounted apparatus; the eye tracking component and the hood are disposed on the mounting frame, and the hood is capable of providing an enclosure between the mounting frame and a face of a user. The eye tracking device includes a head-mounted apparatus and the above eye tracking apparatus. The eye tracking apparatus and the eye tracking device of the present disclosure are used for achieving eye tracking.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: January 11, 2022
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Yunchao Fan, Junsheng Li, Yunfei Wang, Tongbing Huang
  • Patent number: 11163994
    Abstract: Provided are a method and a device for determining an iris recognition image, a terminal apparatus and a storage medium. The method includes: detecting a line of sight of a user; acquiring a user image based on the line of sight of the user; and if the user image meets a specified condition, determining the user image as the iris recognition image. With the method, the accuracy of iris recognition during iris recognition is improved, and the time for iris recognition is reduced.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: November 2, 2021
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Qinmin Wang, Yunfei Wang, Tongbing Huang
  • Patent number: 11143869
    Abstract: An eye tracking device and a head-mounted display device are provided. The eye tracking device includes at least one infrared camera, at least one infrared light, group and a control circuit. The control circuit is electrically connected with the at least one infrared light group. Each of the at least one infrared light group includes at least two infrared lights which are arranged at different locations. Each of the at least one infrared camera is configured to collect an eye image of a user when the at least two infrared lights are turned on. The control circuit is configured to respectively control the number of infrared lights achieving effective operating brightness in each infrared light group when the eye tracking device performs iris recognition and eye tracking, and the effective operating brightness refers that a brightness is not less than a threshold brightness.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: October 12, 2021
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Jinxing Liu, Tongbing Huang
  • Patent number: 11112602
    Abstract: The present disclosure discloses a method, an apparatus and a system for determining line of sight, and a wearable eye movement device. The method includes: acquiring first gaze information of a user relative to a line of sight tracking module, where the line of sight tracking module closes to the user and moves with the user; acquiring a relative parameter between the line of sight tracking module and a fixed object; and determining second gaze information corresponding to the first gaze information according to the relative parameter. The present disclosure solves the technical problem that that the line of sight of the driver cannot be accurately determined in the prior art.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: September 7, 2021
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Tongbing Huang, Yang Fu
  • Patent number: 11042217
    Abstract: Provided are a calibration method and apparatus, terminal equipment and computer readable storage medium. The calibration method includes: acquiring user information, wherein the user information is used for determining calibrated information; sending the user information and calibration marking information to a server; and receiving the calibrated information from the server.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: June 22, 2021
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventor: Tongbing Huang
  • Patent number: 11003243
    Abstract: The disclosure discloses a calibration method and device, a storage medium and a processor. The method includes that: a calibration point is controlled to move on a predetermined motion track; a gaze track of a target object is acquired in a movement process of the calibration point; and a specified parameter is calibrated according to the predetermined motion track and the gaze track, the specified parameter is configured to predict a gaze point of the target object.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: May 11, 2021
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Dongchun Ren, Wei Liu, Zhijiang Lou, Xiaohu Gong, Jian Wang, Fengmei Nie, Meng Yang
  • Patent number: 10996745
    Abstract: A method for determining a gaze point mapping function includes that: all parameters to be solved in a gaze point mapping function are combined to obtain a parameter vector of the gaze point mapping function, and the parameters to be firstly solved and parameters to be secondly solved corresponding to the parameter vector are determined; the parameters to be firstly solved for a first user are solved according to an eye image of the first user and corresponding gaze point information; solutions of the parameters to be secondly solved for the first user are determined according to the parameter vector which is solved by each of multiple second users respectively; and the gaze point mapping function of the first user is determined according to solutions of the parameters to be firstly solved for the first user and the solutions of the parameters to be secondly solved for the first user.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: May 4, 2021
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventor: Yunfei Wang
  • Patent number: 10949991
    Abstract: Disclosed is a method and apparatus for determining a position of a pupil. The method includes: acquiring an image to be detected including a pupil; acquiring a binary image of a preset area based on a preset model of semi-supervised learning, where the preset area is an area where the pupil is located in the image to be detected; acquiring a centroid of the binary image; and determining a central position of the pupil according to the centroid of the binary image.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: March 16, 2021
    Assignee: Beijing 7Invensun Technology Co., Ltd.
    Inventors: Fengmei Nie, Wei Liu, Dongchun Ren, Jian Wang, Meng Yang, Xiaohu Gong
  • Patent number: 10930252
    Abstract: Disclosed are a method and device for transmitting image data, a storage medium, and a processor. The method comprises: segmenting a target image into multiple regional images having different resolutions, wherein the target image comprises a first regional image and a second regional image, the first regional image is an image in a region on which a gaze point falls, and the second regional image is a regional image other than the first regional image in the target image; and transmitting header information of the multiple regional images and pixel values of respective pixels in the respective regional images. The present invention solves a technical problem in which since image data in multiple formats are transmitted in practice and each image data transmitting apparatus can only transmit image data in a certain format, such format limitation results in poor compatibility between image data transmitting apparatuses.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: February 23, 2021
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventor: Yunfei Wang
  • Patent number: 10891507
    Abstract: The invention provides an identity recognition method and device. The method includes that: an eye image when a user to be recognized looks at a target point position is acquired; identity recognition is performed on the user to be recognized according to the eye image and a preestablished user identity information database; and living body detection is performed on the user to be recognized according to the eye image, a coordinate of the target point position, the user identity information database and an identity recognition result.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: January 12, 2021
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Tongbing Huang, Linchan Qin
  • Patent number: 10853967
    Abstract: The present disclosure discloses a method and apparatus for determining a pupil position. The method includes that: at least one first parameter of a pupil in an image, an initial edge region of the pupil and at least one second parameter of at least one light spot in the image are acquired; the initial edge region is corrected according to the at least one first parameter and the at least one second parameter to obtain a first edge region; a pupil edge region is determined according to an edge section in the first edge region, and the edge section is a region formed by a point set meeting a first preset condition in the first edge region; and fitting processing is performed on the pupil edge region to obtain a position of the pupil.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: December 1, 2020
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Wei Liu, Dongchun Ren, Jian Wang, Fengmei Nie, Meng Yang
  • Patent number: 10845873
    Abstract: An eye tracking module for video glasses includes: at least two infrared light sources, at least one image sensor assembly, an infrared light filter component and a tracking module housing; fixing members are provided on the tracking module housing, and include an infrared light source fixing member, an image sensor assembly fixing member and a connector; the infrared light source fixing member and the image sensor assembly fixing member are in detachably fixed connection or non-detachably fixed connection with the tracking module housing; and the connector is in detachably fixed connection with the tracking module housing. The eye tracking module has the advantages of simple structure, small occupied space, high eye tracking precision, and flexibility and convenience in use.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: November 24, 2020
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Tongbing Huang, Junsheng Li
  • Patent number: 10671162
    Abstract: An eyeball tracking module for video glasses, including: at least two infrared light sources, at least one image sensor assembly and at least one infrared cut-off filtering device. Each of the image sensor assembly comprises an image sensor body and an infrared filter provided in front of the image sensor body. The at least two infrared light sources are fixedly provided in an area laterally in front of an eyeball and are used for emitting infrared light to the eyeball, so as to form, on the eyeball which reflects the infrared light, a reflection point. The at least one image sensor assembly is fixedly provided at an edge or outside of a visual angle of video glasses. The at least one infrared cut-off filtering device is provided in an overlapping area between a reflection light path of the eyeball and an acquisition area of an image sensor.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: June 2, 2020
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Tongbing Huang, Yunfei Wang
  • Patent number: 10650497
    Abstract: Disclosed are a method and device for transmitting and displaying an image, a storage medium, and a processor. The method includes: segmenting a target image into multiple regions to obtain multiple regional images, where the multiple regions to which the regional images belong include a first region and a second region, the first region is a region on which a gaze point falls, and the second region is a region other than the first region in the target image; assigning resolutions to the respective regional images of the target image, where the respective regional images have different resolutions; and transmitting, one by one, the respective regional images have different resolutions.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: May 12, 2020
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventor: Yunfei Wang
  • Patent number: 10613625
    Abstract: An eyeball tracking module for video glasses, including: at least two infrared light supplies, at least one image sensor assembly and at least one infrared cut-off filtering device. Each of the image sensor assembly comprises an image sensor body and an infrared filter provided in front of the image sensor body. The at least two infrared light supplies are fixedly provided in an area laterally in front of an eyeball and are used for emitting infrared light to the eyeball, so as to form, on the eyeball which reflects the infrared light, a reflection point. The at least one image sensor assembly is fixedly provided at an edge or outside of a visual angle of video glasses. The at least one infrared cut-off filtering device is provided in an overlapping area between a reflection light path of the eyeball and an acquisition area of an image sensor.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: April 7, 2020
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventors: Tongbing Huang, Yunfei Wang
  • Patent number: D934429
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: October 26, 2021
    Assignee: BEIJING 7INVENSUN TECHNOLOGY CO., LTD.
    Inventor: Junsheng Li