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公开(公告)号：US20220405895A1
公开(公告)日：2022-12-22
申请号：US17436648
申请日：2020-12-24
Inventor： Yaoyu LV , Yachong XUE , Menglei ZHANG , Xiaolei LIU , Lili CHEN , Hao ZHANG
Abstract: An image distortion processing method, including: determining a first relationship between a position of a human eye and a viewing position of the human eye on the VR screen; displaying an initially distorted image on the VR screen; determining a first feature point located at a first initial position in the initially distorted image; determining a first human eye position of the human eye in a case of viewing the first feature point located at a first target position; determining the first target position according to the first relationship and the first human eye position; determining a first target distortion parameter corresponding to the first feature point located at the first target position according to a relationship between a position of the feature point on the VR screen and a distortion parameter; and performing distortion on an image displayed on the VR screen according to the first target distortion parameter.
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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：US20240221548A1
公开(公告)日：2024-07-04
申请号：US17913480
申请日：2021-10-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yaoyu LV , Feng GAO , Yachong XUE , Jiankang SUN , Lili CHEN , Hao ZHANG
CPC classification number: G09G3/001 , G09G3/32 , G09G2300/0452 , G09G2330/021 , G09G2340/0435
Abstract: The present disclosure provides a display panel, a driving method thereof and a display device, belongs to the field of display technology, and can at least partially solve the problem that the transmission bandwidth required by the conventional rotational display device is large during the display. The display panel of the present disclosure includes: the pixel units arranged in an array, each pixel unit including at least two sub-pixels; and a plurality of pixel driving chips in one-to-one correspondence with the plurality of pixel units, the pixel driving chip being configured to provide a driving signal to a corresponding pixel unit.
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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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5.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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Patent Agency Ranking
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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公开(公告)号：US20220327983A1
公开(公告)日：2022-10-13
申请号：US17417237
申请日：2020-09-11
Inventor： Yaoyu LV , Zhanshan MA , Yachong XUE , Menglei ZHANG , Lili CHEN , Hao ZHANG
Abstract: Disclosed are a method for generating display data by a rotatory stereoscopic display apparatus, a display driving method, a computer device, a rotatory stereoscopic display apparatus, and a stereoscopic display system. The method for generating display data includes: generating, based on display parameters of the rotatory stereoscopic display apparatus and a model to be displayed, an image array for displaying the model; generating, for an image in the image array, an initial data stream of the image, the initial data stream including: grayscale datum of each pixel in the image; and performing data compression on the initial data stream to generate a compressed data stream, the compressed data stream including: data units of pixels whose grayscale data is non-zero data, each data unit including: grayscale datum of the pixel and an order of the grayscale datum in the initial data stream.
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8.发明申请公开(公告)号：US20210073509A1
公开(公告)日：2021-03-11
申请号：US16634227
申请日：2019-05-31
Inventor： Yachong XUE , Hao ZHANG , Lili CHEN , Jiankang SUN , Minglei CHU , Huidong HE , Shuo ZHANG , Gang LI , Xiangjun PENG , Chenxi ZHAO , Yaoyu LV
Abstract: Disclosed herein includes a method, an apparatus, a display device and storage medium storing computer executable instructions for positioning a gaze point. The method for obtaining a gaze point in a display device may comprise capturing a real time eye image, obtaining a real time pupil center point from the real time eye image, determining a gaze target zone based on the real time pupil center point and obtaining a gaze point on a target screen generated by the display device based on the real time pupil center point and a mapping ratio for the gaze target zone.
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公开(公告)号：US20220402433A1
公开(公告)日：2022-12-22
申请号：US17642010
申请日：2021-03-10
Inventor： Gang LI , Yachong XUE , Hao ZHANG , Lili CHEN , Minglei CHU , Hong ZHU , Hong LI , Xinqi LIN , Shuai LIU , Hui ZHAO
Abstract: A display method for a display assembly, a display system, and a display device of a vehicle column A, and a storage medium. According to the display method, by means of a conversion relationship between a coordinate system of a target feature model and a camera coordinate system of a driver monitoring assembly and a conversion relationship between the coordinate system of the target feature model and a world coordinate system, a conversion relationship between the camera coordinate system and the world coordinate system is obtained, a coordinate of the display assembly in the world coordinate system can be converted into a coordinate in the camera coordinate system, and thus whether a driver watches the display assembly can be simply determined. The problem that it is difficult to determine, directly according to the eyes of the driver and a spatial position of the display assembly, whether the driver watches the display assembly is solved, and the effect of reducing the difficulty of determining whether the driver watches the display assembly is achieved.
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公开(公告)号：US20220094905A1
公开(公告)日：2022-03-24
申请号：US17462894
申请日：2021-08-31
Inventor： Yaoyu LV , Yachong XUE , Zhanshan MA , Jiankang SUN , Lili CHEN , Hao ZHANG
IPC: H04N13/393 , H04N13/106 , G06F17/10
Abstract: Methods and apparatuses for acquiring display image sequence, rotary stereoscopic display devices and storage media are provided. A method includes: determining voxels in a 3D display space by multiple partitioning of the 3D display space in a cylindrical coordinate system using a predetermined partitioning mode, where the predetermined partitioning mode includes non-uniform partitioning in a radius direction of the cylindrical coordinate system, and space bounding boxes resulting from a same partitioning have a same volume; determining a cross-sectional profile of a 3D object to be displayed on a display screen at each of phase positions; determining a cross-sectional image based on voxels and the cross-sectional profile at each of the phase positions; and acquiring a display image sequence by arranging the cross-sectional images according to rotation angles of the display screen.
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