Patents by Inventor Hongzhen Xue

Hongzhen Xue 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: 11579466
    Abstract: A method of simulating volumetric 3D display, includes: acquiring a display variable of a virtual display screen in a volumetric 3D display simulation space, the virtual display screen comprising a plurality of stereo pixels, the display variable comprising a voxel parameter of the plurality of stereo pixels, and the voxel parameter comprising a size in a first direction of the plurality of stereo pixels, a size in a second direction of the plurality of stereo pixels, and a size in a third direction of the plurality of stereo pixels; determining a display state parameter of a first stereo pixel of the plurality of stereo pixels for an object to be displayed according to the display variable; and simulating display of the object to be displayed according to the display state parameter. A computer-readable storage medium and a volumetric 3D display simulation apparatus are further provided.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: February 14, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yaoyu Lv, Hongzhen Xue, Guixin Yan, Fuqiang Ma, Lili Chen, Hao Zhang, Zhanshan Ma, Shuo Zhang
  • Patent number: 11528470
    Abstract: A data transmission method, a method of displaying three-dimensional image, a data transmission device and a three-dimensional image display device are provided. The shift register unit includes a device. The data transmission method, comprises: performing a phase decomposition on a preset three-dimensional model to generate a plurality of phase images; acquiring position information and color information of pixels in the plurality of phase images; and sending the position information and the color information of the pixels in the plurality of phase images to a volumetric three-dimensional display device.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: December 13, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Minglei Chu, Fuqiang Ma, Xue Dong, Ming Chen, Hao Zhang, Lili Chen, Hongzhen Xue, Yaoyu Lv, Zhanshan Ma, Guixin Yan
  • Patent number: 11509882
    Abstract: A three-dimensional display apparatus includes: a display layer and a transmissive phase modulator, wherein the transmissive phase modulator is disposed on a light exit side of the display layer, and includes a plurality of modulation units; and each of the modulation units is configured to perform phase modulation on light received by the modulation unit, and is configured such that a picture displayed by the display layer is presented as a contiguous curved virtual image after being processed by the transmissive phase modulator.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: November 22, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Shuo Zhang, Hao Zhang, Lili Chen, Minglei Chu, Hongzhen Xue, Guixin Yan, Zehua Dong, Huidong He, Chenxi Zhao, Xiangjun Peng, Yaoyu Lv, Yukun Sun, Qingwen Fan, Yachong Xue
  • Patent number: 11463666
    Abstract: Embodiments of the present disclosure relate to a method for analyzing an imaging quality of an imaging system. The imaging system comprises a spatial light modulator. The spatial light modulator comprises pixel units arranged in an array. The method comprises obtaining a transmittance distribution function of the spatial light modulator based on a structural parameter of the pixel unit, wherein the structural parameter is an aperture ratio. The imaging quality analysis parameter of the imaging system is obtained based on the transmittance distribution function of the spatial light modulator. Then, the imaging quality of the imaging system is analyzed based on the imaging quality analysis parameter.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: October 4, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuo Zhang, Hao Zhang, Lili Chen, Hongzhen Xue, Minglei Chu, Guixin Yan, Yukun Sun, Chenxi Zhao, Zehua Dong, Xiangjun Peng, Yaoyu Lv, Yachong Xue, Huidong He, Qingwen Fan
  • Patent number: 11461930
    Abstract: A camera calibration plate, a camera calibration method and device, and an image acquisition system are described. The camera calibration plate includes a planar plate body, and a plurality of groups of concentric circles on the planar plate body. The plurality of groups of concentric circles are same and include solid circle center points. The plurality of groups of concentric circles are distributed in an array.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: October 4, 2022
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Fuqiang Ma, Hongzhen Xue, Lili Chen, Hao Zhang, Gang Li, Minglei Chu
  • Patent number: 11435289
    Abstract: An optical distortion measurement method that including receiving target field of view information; processing the target field of view information using a coordinate conversion model to obtain screen coordinates of a target angle of view, wherein the coordinate conversion model may be configured to convert image plane coordinates of the target angle of view to screen coordinates of the target angle of view; and outputting at least the screen coordinates of the target angle of view.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: September 6, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Hongzhen Xue, Fuqiang Ma, Yali Liu, Lili Chen, Jiankang Sun, Shuo Zhang
  • Patent number: 11410340
    Abstract: Provided is a method for compressing texture data of a three-dimensional model, including: acquiring data of polygonal surfaces constituting a contour of a target three-dimensional model, and data of a texture image and a phase plane of the contour; acquiring the texture data of texture points in a texture point group corresponding to each polygonal surface, the texture points in the texture point group including first and second texture points; assigning a weight to each texture point in each texture point group according to the texture data of the first texture points in the texture point group; calculating a sum of weights of each texture point in each texture point group; and compressing the texture data, according to a target compressed data amount, and the texture data and the sum of weights of the texture point whose sum of weights is not zero.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: August 9, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yaoyu Lv, Hongzhen Xue, Fuqiang Ma, Guixin Yan, Lili Chen, Hao Zhang, Zhanshan Ma, Yachong Xue
  • Patent number: 11403745
    Abstract: The present disclosure provides a method, apparatus, and measurement device for measuring distortion parameters of a display device, and a computer-readable medium. The display device includes a display screen and a lens located on a light exiting side of the display screen, and the method includes: acquiring a distortion image which is generated by imaging an initial image through the lens, wherein the initial image is an image displayed on the display screen, the initial image comprises a plurality of first corner points, and the distortion image comprises a plurality of second corner points which match the plurality of first corner points respectively; and determining the distortion parameters of the display device according to a locational relationship between the second corner points and a first corner points which match the second corner points.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 2, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongzhen Xue, Fuqiang Ma, Minglei Chu, Jiankang Sun, Guobing Yin, Zehua Dong, Lili Chen
  • Patent number: 11398052
    Abstract: A camera positioning method, device and medium are provided. The method includes: determining positioning configuration information; determining, according to the positioning configuration information, positioning information of the camera by a preset algorithm, the positioning information including distance limitation data which defines a distance between a target and the camera; and determining a position of the camera according to the positioning information, wherein the positioning configuration information includes target data, ratio data of a target image in an image captured by the camera, and camera parameter data.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: July 26, 2022
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jiankang Sun, Hao Zhang, Lili Chen, Yachong Xue, Hongzhen Xue, Fuqiang Ma, Zehua Dong
  • Publication number: 20220132098
    Abstract: A three-dimensional display apparatus includes: a display layer and a transmissive phase modulator, wherein the transmissive phase modulator is disposed on a light exit side of the display layer, and includes a plurality of modulation units; and each of the modulation units is configured to perform phase modulation on light received by the modulation unit, and is configured such that a picture displayed by the display layer is presented as a contiguous curved virtual image after being processed by the transmissive phase modulator.
    Type: Application
    Filed: August 26, 2019
    Publication date: April 28, 2022
    Inventors: Shuo Zhang, Hao Zhang, Lili Chen, Minglei Chu, Hongzhen Xue, Guixin Yan, Zehua Dong, Huidong He, Chenxi Zhao, Xiangjun Peng, Yaoyu Lv, Yukun Sun, Qingwen Fan, Yachong Xue
  • Patent number: 11315281
    Abstract: The present disclosure relates to a pupil positioning method. The pupil positioning method may include: obtaining an eye image under illumination of a light source; determining a first internal point in a pupil of the eye image; calculating gradient changes of pixel points along a straight line starting from the first internal point toward outside of the pupil; determining a plurality of edge points at an edge of the pupil based on the gradient changes of the pixel points along the straight line; and performing ellipse fitting on the edge points to obtain a pupil center.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: April 26, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiankang Sun, Hao Zhang, Lili Chen, Hongzhen Xue, Fuqiang Ma, Minglei Chu, Xi Li
  • Patent number: 11301037
    Abstract: The present application provides a virtual reality interaction method. The virtual reality interaction method includes acquiring a reference pupil image of a user; determining a pupil position in the reference pupil image; determining a gaze point in a virtual image based on the pupil position in the reference pupil image and a mapping relationship between first coordinates in a first coordinate system of the reference pupil image and second coordinates in a second coordinate system of the virtual image; and executing an operation based on a determination that the gaze point is in an activatable region of the virtual image and a determination of a gaze state.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: April 12, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Jiankang Sun, Hao Zhang, Lili Chen, Minglei Chu, Guixin Yan, Guobing Yin, Hongzhen Xue, Fuqiang Ma
  • Patent number: 11288838
    Abstract: An image processing method and an image processing includes, when a current frame contains a target picture, taking the current frame as a reference frame for tracking and taking a set of matching points in the current frame, which match the target picture as an initial set of tracking points, to perform tracking of the target picture; obtaining a next frame and determining a set of tracking points of the next frame based on the initial set of tracking points; determining whether the number of tracking points in the set of tracking points is less than a first preset threshold; and, when the number of tracking points in the set of tracking points is less than the first preset threshold, determining supplementary tracking points and adding the supplementary tracking points to the set of tracking points.
    Type: Grant
    Filed: August 4, 2019
    Date of Patent: March 29, 2022
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fuqiang Ma, Jiankang Sun, Gang Li, Hongzhen Xue, Zehua Dong
  • Publication number: 20210405389
    Abstract: A method of simulating volumetric 3D display, includes: acquiring a display variable of a virtual display screen in a volumetric 3D display simulation space, the virtual display screen comprising a plurality of stereo pixels, the display variable comprising a voxel parameter of the plurality of stereo pixels, and the voxel parameter comprising a size in a first direction of the plurality of stereo pixels, a size in a second direction of the plurality of stereo pixels, and a size in a third direction of the plurality of stereo pixels; determining a display state parameter of a first stereo pixel of the plurality of stereo pixels for an object to be displayed according to the display variable; and simulating display of the object to be displayed according to the display state parameter. A computer-readable storage medium and a volumetric 3D display simulation apparatus are further provided.
    Type: Application
    Filed: August 13, 2020
    Publication date: December 30, 2021
    Inventors: Yaoyu LV, Hongzhen XUE, Guixin YAN, Fuqiang MA, Lili CHEN, Hao ZHANG, Zhanshan MA, Shuo ZHANG
  • Patent number: 11199739
    Abstract: The present disclosure relates to the field of display technologies, and particularly discloses a color film substrate, a display panel, a backlight module, a display device and a display system. The color film substrate includes a plurality of pixel units arranged in an array, each of the plurality of pixel units including a first-class filtering unit and a second-class filtering unit, wherein the first-class filtering unit allows visible light to pass through and blocks invisible light, and the second-class filtering unit allows the invisible light to pass through and blocks the visible light.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: December 14, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hongzhen Xue, Guobing Yin
  • Publication number: 20210334998
    Abstract: There are provided in the present disclosure an image processing method, apparatus, device and medium for locating a center of a target object region. The image processing method includes: acquiring a binary image including the target object region; extracting a boundary line of the target object region from the binary image, wherein the boundary line includes a plurality of boundary points; selecting one of the plurality of boundary points as an initiation point, and determining a first connected region, wherein a starting point of the first connected region is the initiation point; determining the center of the target object region based on the first connected region.
    Type: Application
    Filed: November 5, 2018
    Publication date: October 28, 2021
    Inventors: Minglei CHU, Hao ZHANG, Lili CHEN, Lin LIN, Hongzhen XUE, Jiankang SUN, Guixin YAN
  • Publication number: 20210333868
    Abstract: The present application provides a virtual reality interaction method. The virtual reality interaction method includes acquiring a reference pupil image of a user; determining a pupil position in the reference pupil image; determining a gaze point in a virtual image based on the pupil position in the reference pupil image and a mapping relationship between first coordinates in a first coordinate system of the reference pupil image and second coordinates in a second coordinate system of the virtual image; and executing an operation based on a determination that the gaze point is in an activatable region of the virtual image and a determination of a gaze state.
    Type: Application
    Filed: August 23, 2018
    Publication date: October 28, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Jiankang Sun, Hao Zhang, Lili Chen, Minglei Chu, Guixin Yan, Guobing Yin, Hongzhen Xue, Fuqiang Ma
  • Patent number: 11132544
    Abstract: A visual fatigue recognition method, a visual fatigue recognition device, a virtual reality apparatus and a storage medium. The visual fatigue recognition method includes acquiring an eye image of a user; acquiring a visual feature from the eye image, and calculating a visual fatigue value according to the visual features according to the visual feature a visual fatigue value; comparing the visual fatigue value with a fatigue grade threshold values and determining a the visual fatigue grade based on the comparison result; and allowing the visual fatigue grade to be used to generate a corresponding alert signal. The visual fatigue recognition method helps to protect the user's eyesight.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: September 28, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiankang Sun, Hao Zhang, Lili Chen, Minglei Chu, Hongzhen Xue, Guixin Yan, Xi Li
  • Patent number: 11120562
    Abstract: The present disclosure provides a posture estimation method, a posture estimation apparatus, and a computer readable storage medium. Here, the posture estimation method includes: calculating an angular velocity control amount at a current moment based on a measured acceleration value and an estimated acceleration value at the current moment; correcting the measured angular velocity value at the current moment according to the calculated angular velocity control amount to obtain the corrected angular velocity value at the current moment; and obtaining an estimated posture quaternion value at a next moment according to the corrected angular velocity value obtained by calculation and an estimated posture quaternion value at the current moment.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: September 14, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zehua Dong, Minglei Chu, Lili Chen, Hao Zhang, Jiankang Sun, Yukun Sun, Jinghua Miao, Zhifu Li, Xuefeng Wang, Hongzhen Xue
  • Publication number: 20210247320
    Abstract: An optical distortion measurement method that including receiving target field of view information; processing the target field of view information using a coordinate conversion model to obtain screen coordinates of a target angle of view, wherein the coordinate conversion model may be configured to convert image plane coordinates of the target angle of view to screen coordinates of the target angle of view; and outputting at least the screen coordinates of the target angle of view.
    Type: Application
    Filed: January 2, 2020
    Publication date: August 12, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongzhen Xue, Fuqiang Ma, Yali Liu, Lili Chen, Jiankang Sun, Shuo Zhang