Patents by Inventor Menglei Zhang

Menglei Zhang 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: 11980119
    Abstract: A method for conveying and dropping seedlings based on a device for conveying and positioning a seedling tray of an automatic transplanter, wherein the device for conveying and positioning the seedling tray of the automatic transplanter includes a platform for conveying the seedling tray, a first sensor, a second sensor, a plurality of push rods, and a control system. The platform is configured for conveying the seedling tray to be below seedling picking claws. The push rods are evenly distributed on the platform. The seedling tray is placed between adjacent two of the push rods. The first sensor is mounted close to the seedling picking claws and configured for identifying the seedling tray. The second sensor is mounted on a rack of the platform for conveying the seedling tray and configured for identifying the push rods. The control system controls the platform for conveying the seedling tray.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: May 14, 2024
    Assignee: JIANGSU UNIVERSITY
    Inventors: Jianping Hu, Mengjiao Yao, Shulin Liu, Jinhao Zhou, Chensheng Ren, Menglei Wei, Tengfei Zhang, Jiawei Shi
  • Patent number: 11967181
    Abstract: The present disclosure provides a method and a device for retina image recognition, an electronic equipment, and a storage medium, the method including: acquiring a retinal image; classifying the retinal image by using a first neural network model to obtain an image classification result; if the image classification result meets a preset condition, segmenting the retinal image by using a second neural network model to obtain an image segmentation result; generating a recognition result of the retinal image according to the image segmentation result and in combination with a decision tree model.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: April 23, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Menglei Zhang
  • Patent number: 11968847
    Abstract: Provided is a photovoltaic module, including: a substrate, at least one solar cell string and a packaging portion, wherein a bottom of the packaging portion has a packaging slot, the substrate and the at least one solar cell string are arranged in the packaging slot, the at least one solar cell string is arranged on a top surface of the substrate, a packaging gap is formed between a side surface of the substrate and a side surface of the packaging slot, a first packaging layer is arranged in the packaging gap, and the first packaging layer is configured to seal the packaging gap.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: April 23, 2024
    Assignee: ZHEJIANG JINKO SOLAR CO., LTD.
    Inventors: Chengjun Gu, Bairu Li, Menglei Xu, Jie Yang, Xinyu Zhang, Hao Jin
  • Patent number: 11949038
    Abstract: Provided is a solar cell and a photovoltaic module. The solar cell includes a silicon substrate, and the silicon substrate includes a front surface and a back surface arranged opposite to each other. P-type conductive regions and N-type conductive regions are alternately arranged on the back surface of the silicon substrate. Front surface field regions are located on the front surface of the silicon substrate and spaced from each other. The front surface field regions each corresponds to one of the P-type conductive regions or one of the N-type conductive regions. At least one front passivation layer is located on the front surface of the silicon substrate. At least one back passivation layer is located on surfaces of the P-type conductive regions and N-type conductive regions.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: April 2, 2024
    Assignees: JINKO SOLAR (HAINING) CO., LTD., ZHEJIANG JINKO SOLAR CO., LTD.
    Inventors: Menglei Xu, Jie Yang, Xinyu Zhang, Hao Jin
  • Patent number: 11941171
    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.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: March 26, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Menglei Zhang, Jiankang Sun, Guixin Yan, Yaoyu Lv, Yachong Xue, Xinkai Li
  • Publication number: 20240094807
    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.
    Type: Application
    Filed: May 28, 2021
    Publication date: March 21, 2024
    Inventors: Menglei ZHANG, Jiankang SUN, Guixin YAN, Yaoyu LV, Yachong XUE, Xinkai LI
  • Publication number: 20240074220
    Abstract: Provided are a solar cell and a manufacturing method thereof, and a photovoltaic module. The solar cell includes: a bottom cell, a perovskite top cell, an inter layer between the bottom cell and the perovskite top cell, and a back electrode located on a back surface of the bottom cell. The perovskite top cell includes a hole transport layer, a perovskite layer, an electron transport layer, and a conductive structure stacked sequentially. The conductive structure includes at least one stack each including a first conductive layer and a second conductive layer located between the first conductive layer and the electron transport layer. The first conductive layer includes a first transparent conductive film. The second conductive layer includes a metal conductive film in a metallization region and a second transparent conductive film in a non-metallization region.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 29, 2024
    Inventors: Menglei XU, Bairu LI, Jie YANG, Xinyu ZHANG
  • Publication number: 20240072196
    Abstract: Provided is a solar cell and a photovoltaic module. The solar cell includes a silicon substrate, and the silicon substrate includes a front surface and a back surface arranged opposite to each other. P-type conductive regions and N-type conductive regions are alternately arranged on the back surface of the silicon substrate. Front surface field regions are located on the front surface of the silicon substrate and spaced from each other. The front surface field regions each corresponds to one of the P-type conductive regions or one of the N-type conductive regions. At least one front passivation layer is located on the front surface of the silicon substrate. At least one back passivation layer is located on surfaces of the P-type conductive regions and N-type conductive regions.
    Type: Application
    Filed: November 8, 2023
    Publication date: February 29, 2024
    Inventors: Menglei XU, Jie YANG, Xinyu ZHANG, Hao JIN
  • Publication number: 20240056885
    Abstract: Examples described herein relate to a network device that includes at least one network interface and circuitry. In some examples, the circuitry is to transmit one or more packets for Integrated Access Backhaul (IAB) via a 3rd Generation Partnership Project (3GPP)-consistent wireless network and transmit one or more other packets for IAB to Multi Access Management Services (MAMS) over Generic Multi-Access (GMA) over a second network.
    Type: Application
    Filed: April 26, 2023
    Publication date: February 15, 2024
    Inventors: Jing ZHU, Menglei ZHANG
  • Publication number: 20240022517
    Abstract: Quality of Service (QoS) network flow control may be accomplished through several systems and techniques. A device, when transmitting traffic over a first link, may copy that traffic to a second link to test the conformance with QoS requirements of the second link. After receiving in-band telemetry of the copied traffic on the second link that indicates that the second link meets the QoS requirements of the traffic, at least part of the traffic is transmitted by the second link.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 18, 2024
    Inventors: Menglei Zhang, Jing Zhu
  • Patent number: 11854170
    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.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: December 26, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yaoyu Lv, Yachong Xue, Menglei Zhang, Xiaolei Liu, Lili Chen, Hao Zhang
  • Publication number: 20230351975
    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.
    Type: Application
    Filed: August 16, 2021
    Publication date: November 2, 2023
    Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yachong XUE, Xue DONG, Hao ZHANG, Lili CHEN, Jiankang SUN, Guixin YAN, Yaoyu LV, Menglei ZHANG, Xinkai LI
  • Patent number: 11734841
    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.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: August 22, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Yachong Xue, Hao Zhang, Lili Chen, Jiankang Sun, Guixin Yan, Xiaolei Liu, Yaoyu Lv, Menglei Zhang, Xinkai Li
  • Patent number: 11705045
    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.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: July 18, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yaoyu Lv, Zhanshan Ma, Yachong Xue, Menglei Zhang, Lili Chen, Hao Zhang
  • Patent number: 11699303
    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.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: July 11, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yachong Xue, Hao Zhang, Lili Chen, Jiankang Sun, Xinkai Li, Guixin Yan, Xiaolei Liu, Yaoyu Lv, Menglei Zhang
  • Publication number: 20230072769
    Abstract: Disclosed embodiments generally relate to edge-based multi-Radio Access Technology (RAT) traffic management (TM) solutions to support delay-sensitive traffic over heterogeneous networks. Embodiments include delay-aware TM implementations that split and/or steer network traffic across different RATs for the edge network control plane. Embodiments also include utilization threshold-based implementations to achieve delay-aware multi-path TM at the network's edge. The multi-path TM includes multi-RAT, multi-access, or multi-connectivity traffic routes. Embodiments include strategies to sort users (or devices) for making multi-RAT traffic distribution decisions and to determinate the utilization thresholds. Embodiments also include message exchange mechanisms or learning utilization thresholds and other useful system properties. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: December 23, 2020
    Publication date: March 9, 2023
    Inventors: Shu-ping YEH, Jingwen BAI, Jing ZHU, Menglei ZHANG, Shilpa TALWAR
  • Publication number: 20220405895
    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.
    Type: Application
    Filed: December 24, 2020
    Publication date: December 22, 2022
    Inventors: Yaoyu LV, Yachong XUE, Menglei ZHANG, Xiaolei LIU, Lili CHEN, Hao ZHANG
  • Publication number: 20220383661
    Abstract: The present disclosure provides a method and a device for retina image recognition, an electronic equipment, and a storage medium, the method including: acquiring a retinal image; classifying the retinal image by using a first neural network model to obtain an image classification result; if the image classification result meets a preset condition, segmenting the retinal image by using a second neural network model to obtain an image segmentation result; generating a recognition result of the retinal image according to the image segmentation result and in combination with a decision tree model.
    Type: Application
    Filed: February 9, 2021
    Publication date: December 1, 2022
    Inventor: Menglei ZHANG
  • Publication number: 20220327983
    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.
    Type: Application
    Filed: September 11, 2020
    Publication date: October 13, 2022
    Inventors: Yaoyu LV, Zhanshan MA, Yachong XUE, Menglei ZHANG, Lili CHEN, Hao ZHANG
  • Publication number: 20220164966
    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.
    Type: Application
    Filed: June 17, 2021
    Publication date: May 26, 2022
    Inventors: Yachong XUE, Hao ZHANG, Lili CHEN, Jiankang SUN, Guixin YAN, Xiaolei LIU, Yaoyu LV, Menglei ZHANG, Xinkai LI