Patents by Inventor Huadong MA

Huadong MA 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: 11683398
    Abstract: The embodiments of the present invention provide a method, apparatus for cross-protocol opportunistic routing, an electronic device, and a storage medium, the method includes: when there is a first data packet in a low-power wireless network, simulating the first data packet to generate a second data packet including to-be-transmitted data in the first data packet; obtaining identification information of a destination node in the first data packet, and selecting a low-power node with the lowest delay to the destination node in the low-power wireless network, except the first low-power node, as a forwarding low-power node based on the identification information of the destination node; sending the generated second data packet to the forwarding low-power node, so that the forwarding low-power node forwards the to-be-transmitted data to the destination node.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: June 20, 2023
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Xiaolong Zheng, Dan Xia, Liang Liu, Huadong Ma
  • Patent number: 11664886
    Abstract: A routing method and apparatus for SDN-based LEO satellite network are disclosed. The LEO satellite network includes a control plane and a data plane. The control plane includes a central controller and a plurality of local controllers. The data plane includes a plurality of LEO satellite nodes and user terminals connecting to the LEO satellite nodes. The control plane may be located on the earth, and thus the centralized management and control of the data plane are placed on the earth. A local controllers monitors LEO satellite nodes in a subnet or subnets of the local controller. The distance between a local controller and a LEO satellite node is much smaller than the distance between a GEO satellite node and the LEO satellite node, and thus the time delay and the traffic loss of communication are reduced.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: May 30, 2023
    Assignee: Beijing University of Posts and Telecommunications
    Inventors: Liang Liu, Huadong Ma, Pengrui Duan, Dan Xia
  • Publication number: 20230067605
    Abstract: A deep reinforcement learning (DRL)-based intelligent job batching method and apparatus, and an electronic device are provided. The method includes: obtaining static features and a dynamic feature of each job, where the static features of the job include a delivery date, a specification and a process requirement of the job, and the dynamic feature of the job includes a receiving moment; and inputting the static features and the dynamic feature of each job into a job batching module, and using a Markov decision process (MDP) by the job batching module to combine jobs with similar features in a to-be-batched job set into an identical batch, so as to minimize a total quantity of batches obtained finally and a difference in features of jobs in each batch. The DRL-based intelligent job batching method and apparatus can learn a stable batching strategy and provide a stable and efficient job batching solution.
    Type: Application
    Filed: November 25, 2021
    Publication date: March 2, 2023
    Applicant: Beijing University of Posts and Telecommunications
    Inventors: Liang LIU, Xiaolong ZHENG, Huadong MA, Chengling JIANG, Zihui LUO
  • Publication number: 20220179689
    Abstract: The embodiments of the present invention provide a dynamic production scheduling method, apparatus and electronic device based on deep reinforcement learning, which relate to the technical field of Industrial Internet of Things, and can reduce the overall processing time of jobs on the basis of not exceeding the processing capacity of production device.
    Type: Application
    Filed: November 11, 2021
    Publication date: June 9, 2022
    Inventors: Liang Liu, Xiaolong Zheng, Huadong Ma, Zihui Luo, Chengling Jiang
  • Patent number: 11322142
    Abstract: Embodiments of the present application provide an acoustic sensing-based text input method, comprising: obtaining audio information corresponding to text to be input; dividing the audio information to obtain an audio segment for each letter to be recognized in the text to be input; sending to the server, a type of the text to be input, the audio segments for letters to be recognized, and arrangement of the audio segment for the letter to be recognized in the audio information; receiving input result returned by the server, and displaying, based on the input result, text information corresponding to the text to be input on the display screen of the mobile terminal. The method allows effective text input without relying on a display screen.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: May 3, 2022
    Assignee: Beijing University of Posts and Telecommunications
    Inventors: Huanpu Yin, Anfu Zhou, Liang Liu, Huadong Ma
  • Publication number: 20220124179
    Abstract: The embodiments of the present invention provide a method, apparatus for cross-protocol opportunistic routing, an electronic device, and a storage medium, the method includes: when there is a first data packet in a low-power wireless network, simulating the first data packet to generate a second data packet including to-be-transmitted data in the first data packet; obtaining identification information of a destination node in the first data packet, and selecting a low-power node with the lowest delay to the destination node in the low-power wireless network, except the first low-power node, as a forwarding low-power node based on the identification information of the destination node; sending the generated second data packet to the forwarding low-power node, so that the forwarding low-power node forwards the to-be-transmitted data to the destination node.
    Type: Application
    Filed: October 19, 2021
    Publication date: April 21, 2022
    Inventors: Xiaolong Zheng, Dan Xia, Liang Liu, Huadong Ma
  • Patent number: 11061115
    Abstract: A method for gesture recognition, a terminal, and a storage medium are provided by the embodiments of the present application. The method may include: receiving, through the millimeter wave apparatus, a first millimeter wave, where the first millimeter wave is a reflected wave formed after a second millimeter wave transmitted by the millimeter wave apparatus is modulated via a gesture motion; processing the first millimeter wave based on two types of time arrays and Doppler estimation to obtain at least one set of signal characteristic values corresponding to the first millimeter wave; identifying the at least one set of signal characteristic values using a correspondence library of standard characteristic values and control instructions, and obtaining a first control instruction corresponding to the gesture motion; and controlling a first application to implement a corresponding function using the first control instruction.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: July 13, 2021
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Anfu Zhou, Huadong Ma, Jianhua Liu, Ning Yang
  • Publication number: 20200343968
    Abstract: A routing method and apparatus for SDN-based LEO satellite network are disclosed. The LEO satellite network includes a control plane and a data plane. The control plane includes a central controller and a plurality of local controllers. The data plane includes a plurality of LEO satellite nodes and user terminals connecting to the LEO satellite nodes. The control plane may be located on the earth, and thus the centralized management and control of the data plane are placed on the earth. A local controllers monitors LEO satellite nodes in a subnet or subnets of the local controller. The distance between a local controller and a LEO satellite node is much smaller than the distance between a GEO satellite node and the LEO satellite node, and thus the time delay and the traffic loss of communication are reduced.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 29, 2020
    Inventors: Liang LIU, Huadong MA, Pengrui DUAN, Dan XIA
  • Publication number: 20200279560
    Abstract: Embodiments of the present application provide an acoustic sensing-based text input method, comprising: obtaining audio information corresponding to text to be input; dividing the audio information to obtain an audio segment for each letter to be recognized in the text to be input; sending to the server, a type of the text to be input, the audio segments for letters to be recognized, and arrangement of the audio segment for the letter to be recognized in the audio information; receiving input result returned by the server, and displaying, based on the input result, text information corresponding to the text to be input on the display screen of the mobile terminal, The method allows effective text input without relying on a display screen.
    Type: Application
    Filed: November 6, 2019
    Publication date: September 3, 2020
    Inventors: Huanpu YIN, Anfu ZHOU, Liang LIU, Huadong MA
  • Patent number: 10755120
    Abstract: Embodiments of the present invention provide an end-to-end lightweight method and apparatus for license plate recognition. The method comprises: obtaining an image to be recognized; obtaining a number of a license plate in the image to be recognized and position coordinates of the license plate in the image to be recognized on the basis of the image to be recognized and a pre-trained target license plate recognition model, wherein the target license plate recognition model comprises a target feature extraction network, a target region candidate localization network, a target super-resolution generation network and a target recurrent neural network. Because in this solution, once an image to be recognized is input into the target license plate recognition model, the target license plate recognition model can output the license plate number and position coordinates of the license plate in the image to be recognized, one realizes an end-to-end model.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: August 25, 2020
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Huiyuan Fu, Huadong Ma, Yifan Zhang, Yu Cao, Dengkui Zhang
  • Publication number: 20200217930
    Abstract: A method for gesture recognition, a terminal, and a storage medium are provided by the embodiments of the present application. The method may include: receiving, through the millimeter wave apparatus, a first millimeter wave, where the first millimeter wave is a reflected wave formed after a second millimeter wave transmitted by the millimeter wave apparatus is modulated via a gesture motion; processing the first millimeter wave based on two types of time arrays and Doppler estimation to obtain at least one set of signal characteristic values corresponding to the first millimeter wave; identifying the at least one set of signal characteristic values using a correspondence library of standard characteristic values and control instructions, and obtaining a first control instruction corresponding to the gesture motion; and controlling a first application to implement a corresponding function using the first control instruction.
    Type: Application
    Filed: March 20, 2020
    Publication date: July 9, 2020
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Anfu ZHOU, Huadong MA, Jianhua LIU, Ning YANG
  • Publication number: 20190095730
    Abstract: Embodiments of the present invention provide an end-to-end lightweight method and apparatus for license plate recognition. The method comprises: obtaining an image to be recognized; obtaining a number of a license plate in the image to be recognized and position coordinates of the license plate in the image to be recognized on the basis of the image to be recognized and a pre-trained target license plate recognition model, wherein the target license plate recognition model comprises a target feature extraction network, a target region candidate localization network, a target super-resolution generation network and a target recurrent neural network. Because in this solution, once an image to be recognized is input into the target license plate recognition model, the target license plate recognition model can output the license plate number and position coordinates of the license plate in the image to be recognized, one realizes an end-to-end model.
    Type: Application
    Filed: September 19, 2018
    Publication date: March 28, 2019
    Inventors: Huiyuan FU, Huadong MA, Yifan ZHANG, Yu CAO, Dengkui ZHANG
  • Patent number: 10152644
    Abstract: The present application discloses a vehicle searching method and device, which can perform the steps of: calculating an appearance similarity distance between a first image of a target vehicle and several second images containing the searched vehicle; selecting several images from the several second images as several third images; obtaining corresponding license plate features of license plate areas in the first image and each of the third images with a preset Siamese neural network model; calculating a license plate feature similarity distance between the first image and each of the third images according to license plate feature; calculating a visual similarity distance between the first image and each of the third images according to the appearance similarity distance and the license plate feature similarity distance; obtaining a the first search result of the target vehicle by arranging the several third images in an ascending order of the visual similarity distances.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: December 11, 2018
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Huadong Ma, Wu Liu, Xinchen Liu, Haitao Zhang, Huiyuan Fu
  • Patent number: 10088600
    Abstract: The invention relates to a weather recognition method and device based on image information detection, including: obtaining an image extracting multiple first image features of the image with respect to each preset type of weather using a number of first preset algorithms preset correspondingly for different preset types of weather; inputting the multiple first image features to a preset multi-kernel classifier, the multi-kernel classifier performing classification according to the image features to identify the weather in which the image was taken. The multi-kernel classifier is realized by: selecting a first preset number of image samples for each of the preset types of weather; for the image samples of this type of weather, extracting the first image features of each image sample according to the first preset algorithm corresponding to this preset type of weather; and performing machine learning for the first image features according to a preset multi-kernel learning algorithm.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: October 2, 2018
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Huadong Ma, Huiyuan Fu, Zheng Zhang
  • Patent number: 9965884
    Abstract: Methods and devices for determining scoring models of a three-dimensional animation scene frame are provided.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: May 8, 2018
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Liang Liu, Huadong Ma, Zeyu Wang, Dawei Lu
  • Publication number: 20180060684
    Abstract: The present application discloses a vehicle searching method and device, which can perform the steps of: calculating an appearance similarity distance between a first image of a target vehicle and several second images containing the searched vehicle; selecting several images from the several second images as several third images; obtaining corresponding license plate features of license plate areas in the first image and each of the third images with a preset Siamese neural network model; calculating a license plate feature similarity distance between the first image and each of the third images according to license plate feature; calculating a visual similarity distance between the first image and each of the third images according to the appearance similarity distance and the license plate feature similarity distance; obtaining a the first search result of the target vehicle by arranging the several third images in an ascending order of the visual similarity distances.
    Type: Application
    Filed: November 14, 2016
    Publication date: March 1, 2018
    Inventors: Huadong MA, Wu LIU, Xinchen LIU, Haitao ZHANG, Huiyuan FU
  • Patent number: 9754379
    Abstract: A method and a system for determining parameters of an off-axis virtual camera provided by embodiments of present invention can extract a scene depth map for each video frame from a depth buffer, determine the minimum value of edge depth values of the scene depth map as the closest scene edge depth of each video frame, determine the depth of a first object as the depth of an object of interest of each video frame, use the smaller value between the closest scene edge depth and the depth of an object of interest as the zero-parallax value and obtain a zero-parallax value sequence constituted by the zero-parallax value of each video frame. The present invention realizes automatic determination of the zero parallax of each video frame rather than manual setting thereof, and thus the determination will not be affected by factors such as lack of experience, and the amount of work for an technician is also reduced.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: September 5, 2017
    Assignee: BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
    Inventors: Huadong Ma, Liang Liu, Aner Liu, Dawei Lu
  • Patent number: 9633268
    Abstract: Disclose is a gait recognition method, firstly, extracting an initial gait feature of a gait video of a person to be recognized; secondly obtaining a corresponding optimized gait feature according to a trained sub neural network and the initial gait feature; then determining corresponding degrees of similarity according to the optimized gait feature of the person to be recognized and the optimized gait feature of each known person in a matching library, and determining information of the person to be recognized according to information of the known person in the matching library corresponding to the optimized gait feature which has the highest degree of similarity with the optimized gait feature of the person to be recognized.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: April 25, 2017
    Assignee: Beijing University of Posts and Telecommunications
    Inventors: Huadong Ma, Wu Liu, Huiyuan Fu, Cheng Zhang
  • Publication number: 20170109918
    Abstract: The embodiments of the present invention provide a method and a device for determining scoring models of a three-dimensional animation scene frame, the method comprising: obtaining a dataset of three-dimensional animation scene frames; obtaining a predetermined stereoscopic effect standard score and a predetermined visual comfort standard score corresponding to each three-dimensional animation scene frame; obtaining the disparity map of each three-dimensional animation scene frame, extracting disparity statistic features of each three-dimensional animation scene frame based on its disparity map, and combining the disparity statistic features into one feature vector; and, determining the stereoscopic effect scoring model and the visual comfort scoring model for a three-dimensional animation scene frame respectively based on the feature vector of each three-dimensional animation scene frame in conjunction with the corresponding stereoscopic effect standard score and visual comfort standard score, in order to ac
    Type: Application
    Filed: January 12, 2016
    Publication date: April 20, 2017
    Inventors: Liang Liu, Huadong Ma, Zeyu Wang, Dawei Lu
  • Publication number: 20160337640
    Abstract: A method and a system for determining parameters of an off-axis virtual camera provided by embodiments of present invention can extract a scene depth map for each video frame from a depth buffer, determine the minimum value of edge depth values of the scene depth map as the closest scene edge depth of each video frame, determine the depth of a first object as the depth of an object of interest of each video frame, use the smaller value between the closest scene edge depth and the depth of an object of interest as the zero-parallax value and obtain a zero-parallax value sequence constituted by the zero-parallax value of each video frame. The present invention realizes automatic determination of the zero parallax of each video frame rather than manual setting thereof, and thus the determination will not be affected by factors such as lack of experience, and the amount of work for an technician is also reduced.
    Type: Application
    Filed: February 1, 2016
    Publication date: November 17, 2016
    Inventors: Huadong MA, Liang LIU, Aner LIU, Dawei LU