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公开(公告)号：US20250116879A1
公开(公告)日：2025-04-10
申请号：US18832943
申请日：2023-04-28
Applicant: BOE Technology Group Co., Ltd.
Abstract: Provided in the present disclosure are a driving method for a liquid crystal grating, and a display apparatus and a display method for a display apparatus. The driving method for a liquid crystal grating comprises: determining the real-time position of the center of a pupil; according to the real-time position, and a pre-established correspondence between the position of the center of the pupil and the position of a light-transmitting region in a liquid crystal grating, determining the position of the light-transmitting region in the liquid crystal grating that corresponds to the real-time position; and driving the liquid crystal grating, such that the liquid crystal grating only transmits light at the position of the light-transmitting region that corresponds to the real-time position.
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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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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：US20240355146A1
公开(公告)日：2024-10-24
申请号：US18254236
申请日：2022-04-19
Inventor： Meili WANG , Yaoyu LV , Lili CHEN , Xue DONG , Hao ZHANG , Jiabin WANG , Yangbing LI , Mingdong WANG , Lei WANG
CPC classification number: G06V40/28 , G06T7/55 , G06T7/74 , G06F3/017 , G06T2207/10016 , G06T2207/30196
Abstract: A gesture recognizing method, an interactive method, a gesture interactive system, an electronic device, and a non-transitory computer-readable storage medium are disclosed. The gesture recognizing method includes: acquiring a plurality of groups of images taken respectively at different photographing moments for a gesture action object, wherein each group of images includes at least one pair of corresponding depth map and grayscale map; and according to the plurality of groups of images, obtaining spatial information by using the depth map in each group of images, and obtaining posture information for the gesture action object by using the grayscale map in each group of the images, to recognize a dynamic gesture change of the gesture action object. The gesture recognizing method reduces the processing time as a whole, can quickly obtain gesture recognition results, reduce the system resource occupation, and ensure the real-time gesture interaction.
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Patent Agency Ranking
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：US20240221297A1
公开(公告)日：2024-07-04
申请号：US17907090
申请日：2021-08-16
Inventor： Yaoyu LV , Zhanshan MA , Jiankang SUN , Yachong XUE , Lili CHEN , Hao ZHANG
Abstract: A display processing method and device are provided. The method is applied to a rotatable three-dimensional display device including a rotatable display panel, the method includes: obtaining model information about an image model in a to-be-displayed image, the image model including one or more attribute sets including triangular faces constituting the image model; traversing coordinate information about vertices of each triangular face in each attribute set according to association relationship among the attribute sets; generating display data for the display panel at each phase according to the coordinate information about the vertices of each triangular face; and displaying an image according to the display data at each phase when the display panel is at the each phase.
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9.发明申请公开(公告)号：US20220164966A1
公开(公告)日：2022-05-26
申请号：US17349952
申请日：2021-06-17
Inventor： Yachong XUE , Hao ZHANG , Lili CHEN , Jiankang SUN , Guixin YAN , Xiaolei LIU , Yaoyu LV , Menglei ZHANG , Xinkai LI
Abstract: A method for tracking eye gaze, a system, a processing device and a computer readable storage medium are provided. The method includes: acquiring original images acquired by multiple image acquisition devices, splicing the multiple original images into a spliced image, and determining a responsible region of each image acquisition device in the spliced image; performing preliminary face locating on the spliced image, and determining one or more original images corresponding to a preliminarily located face position according to the preliminarily located face position and the responsible region; and performing secondary face locating on the one or more determined original images to obtain face pose information and a positional relation of pupils with respect to human eyes, and calculating coordinates of gaze points of the human eyes according to the obtained face pose information and the positional relation of the pupils with respect to the human eyes.
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公开(公告)号：US20220129660A1
公开(公告)日：2022-04-28
申请号：US17319933
申请日：2021-05-13
Inventor： Yachong XUE , Hao ZHANG , Lili CHEN , Jiankang SUN , Xinkai LI , Guixin YAN , Xiaolei LIU , Yaoyu LV , Menglei ZHANG
Abstract: A system and a method of calculating coordinates of a pupil center point are provided. The system for acquiring the coordinates of the pupil center point includes a first camera, a second camera, a storage and a processor. The first camera is configured to capture a first image including a face and output the first image to the processor, the second camera is configured to capture a second image including a pupil and output the second image to the processor, a resolution of the first camera is smaller than a resolution of the second camera, and the storage is configured to store processing data, and the processor is configured to: acquire the first image and the second image; extract a first eye region corresponding to an eye from the first image; convert the first eye region into the second image, to acquire a second eye region corresponding to the eye in the second image; and detect a pupil in the second eye region and acquire the coordinates of the pupil center point.
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