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公开(公告)号：US20210183111A1
公开(公告)日：2021-06-17
申请号：US16912357
申请日：2020-06-25
Inventor： Yaoyu LV , Hongzhen XUE , Fuqiang MA , Guixin YAN , Lili CHEN , Hao ZHANG , Zhanshan MA , Yachong XUE
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.
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公开(公告)号：US20240094807A1
公开(公告)日：2024-03-21
申请号：US17765612
申请日：2021-05-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Menglei ZHANG , Jiankang SUN , Guixin YAN , Yaoyu LV , Yachong XUE , Xinkai LI
IPC: G06F3/01 , G06T7/215 , G06T7/292 , G06T7/73 , G06T11/00 , G06V10/22 , G06V10/764 , G06V10/82 , G06V40/10
CPC classification number: G06F3/013 , G06T7/215 , G06T7/292 , G06T7/74 , G06T11/00 , G06V10/235 , G06V10/764 , G06V10/82 , G06V40/10 , G06T2207/20084 , G06T2207/30201
Abstract: An eye gaze tracking method, apparatus and system are provided, which belong to the technical field of image processing. The eye gaze tracking method includes: capturing, by at least two cameras, frames of facial images when a viewer views display screen; segmenting a current frame of facial image with pre-trained eye detection model to obtain an image for left and right eyes; calculating a similarity between the current frame of facial image and each of previous N frames of facial images; if the similarity between the current frame of facial image and each of previous N frames of facial images is less than the preset threshold, detecting a position on display screen at which the eyes of the viewer gaze with pre-trained eye detection model. Embodiments of the present disclosure can improve accuracy and efficiency of eye gaze tracking.
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3.发明申请公开(公告)号：US20220155859A1
公开(公告)日：2022-05-19
申请号：US17359677
申请日：2021-06-28
Inventor： Guixin YAN , Jiankang SUN , Lili CHEN , Hao ZHANG
Abstract: Provided are a human-machine interaction method, a system, a processing device and a computer readable storage medium, wherein the method includes: controlling a 3D display to output a 3D view to present a virtual target object; receiving a user image taken by a sight tracking camera, and detecting an eye gaze region according to the user image; receiving a hand image taken by a gesture detection camera, and detecting whether a user's hand collides with the virtual target object and/or grabs the virtual target object according to the hand image; controlling playing of the 3D view according to whether human eyes gaze at the virtual target object, the user's hand collides with the virtual target, and grasps the virtual target object.
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公开(公告)号：US20210358093A1
公开(公告)日：2021-11-18
申请号：US16473110
申请日：2019-01-10
Inventor： Minglei CHU , Hao ZHANG , Lili CHEN , Chenru WANG , Yali LIU , Yukun SUN , Guixin YAN , Jiankang SUN
Abstract: A method and a device of correcting image distortion, a display device, a computer readable medium and an electronic device. The method of correcting image distortion includes: forming a correction grid on an imaging screen of a display device, the correction grid including a plurality of to-be-adjusted grid points; forming a circle on the correction grid; and moving the to-be-adjusted grid point on and outside the circle, to correct image distortion.
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5.发明申请公开(公告)号：US20200211494A1
公开(公告)日：2020-07-02
申请号：US16523118
申请日：2019-07-26
Inventor： Minglei CHU , Lili CHEN , Hao ZHANG , Zehua DONG , Guixin YAN , Jinghua MIAO
IPC: G09G5/00
Abstract: This disclosure relates to an image display method and apparatus, an electronic device, a VR device, and a non-transitory computer-readable storage medium. An image display method applied to a VR device comprises: determining an activity state of the VR device according to measurement data of a sensor within the VR device; determining a processing mode of a current frame image to be displayed according to the activity state, wherein the processing mode is one of a flicker suppression process and a forwarding process; and processing the current frame image to be displayed according to the processing mode to obtain a current frame image for a display in the VR device, and sending it to the display.
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Patent Agency Ranking
公开(公告)号：US20240212537A1
公开(公告)日：2024-06-27
申请号：US17915848
申请日：2021-05-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yaoyu LV , Jiyang SHAO , Guixin YAN , Menglei ZHANG , Lili CHEN , Hao ZHANG
IPC: G09G3/00 , G09G3/20 , G09G3/3275
CPC classification number: G09G3/005 , G09G3/2003 , G09G3/3275 , G09G2300/0439
Abstract: A rotating display apparatus is provided. The rotating display apparatus includes a pixel array and a control device. The pixel array is capable of rotating around a rotation axis in the pixel array, the pixel array includes a plurality of pixel units, and the plurality of pixel units are arranged in a plurality of pixel columns distributed in a direction perpendicular to the rotation axis. Pixel units in each pixel column are arranged in a direction parallel to the rotation axis and operate at a same refresh frequency. A refresh frequency of pixel units in a pixel column close to the rotation axis is less than a refresh frequency of pixel units in a pixel column far away from the rotation axis. The control device is configured to control the pixel units in each pixel column to operate at a refresh frequency corresponding to the pixel column.
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7.发明公开公开(公告)号：US20230351975A1
公开(公告)日：2023-11-02
申请号：US18014184
申请日：2021-08-16
Inventor： Yachong XUE , Xue DONG , Hao ZHANG , Lili CHEN , Jiankang SUN , Guixin YAN , Yaoyu LV , Menglei ZHANG , Xinkai LI
CPC classification number: G09G3/3426 , G06F3/013 , G09G2320/0686 , G09G2354/00 , G09G2320/0626 , G09G2360/16
Abstract: Provided is a method for controlling a display apparatus. In the method, the display apparatus receives at least two pieces of data to be displayed from at least two terminals respectively, wherein the at least two pieces of data to be displayed include screen projection data and status parameters of the at least two terminals, and then displays the status parameter, and performs a screen projection based on the screen projection data.
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公开(公告)号：US20230345135A1
公开(公告)日：2023-10-26
申请号：US17790388
申请日：2021-05-25
Inventor： Yachong XUE , Hao ZHANG , Lili CHEN , Jiankang SUN , Guixin YAN , Xiaolei LIU , Gang LI
Abstract: Provided are an image processing method, apparatus and device, and a storage medium. The image processing method comprises: acquiring a plurality of original sub-images collected by means of a plurality of cameras in a camera array; converting first pixel coordinates of each pixel in each original sub-image in an image coordinate system into target pixel coordinates in a target plane coordinate system; determining a region pixel value of each sub-region according to the correspondence between the target pixel coordinates of each pixel in each original sub-image and each sub-region in a target plane; and determining a spliced image in the target plane according to the region pixel value of each sub-region. According to the present disclosure, the algorithm is simple, and original sub-images can be quickly and accurately processed, so as to obtain a spliced image with a relatively high image quality.
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9.发明申请公开(公告)号：US20210334998A1
公开(公告)日：2021-10-28
申请号：US16473096
申请日：2018-11-05
Inventor： Minglei CHU , Hao ZHANG , Lili CHEN , Lin LIN , Hongzhen XUE , Jiankang SUN , Guixin YAN
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.
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10.发明申请公开(公告)号：US20210333879A1
公开(公告)日：2021-10-28
申请号：US16474397
申请日：2018-11-20
Inventor： Ziqiang GUO , Jian SUN , Xinjian LIU , Yakun WANG , Lin LIN , Zhen TANG , Yu LEI , Minglei CHU , Jiankang SUN , Jinghua MIAO , Guixin YAN , Feng ZI
Abstract: A wearable device, an electronic system, an electronic device, a tactile feedback method and a storage medium are provided. The wearable device with tactile feedback includes an electromagnetic coil set, a driving circuit and a control circuit, the driving circuit is coupled with the electromagnetic coil set; the control circuit is configured to control the driving circuit to generate and output a coil current corresponding to the electromagnetic coil set to the electromagnetic coil set according to a control command; and the electromagnetic coil set is configured to receive the coil current and generate the tactile feedback based on the coil current.
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