Patents by Inventor An-Ji Liu

An-Ji Liu 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).

  • Publication number: 20220391780
    Abstract: The present disclosure provides a method of federated learning. A specific implementation solution includes: determining, for a current learning period, a target device for each task of at least one learning task to be performed, from a plurality of candidate devices according to a plurality of resource information of the plurality of candidate devices; transmitting a global model for the each task to the target device for the each task, so that the target device for the each task trains the global model for the each task; and updating, in response to receiving trained models from all target devices for the each task, the global model for the each task according to the trained models, so as to complete the current learning period. The present disclosure further provides an electronic device, and a storage medium.
    Type: Application
    Filed: August 18, 2022
    Publication date: December 8, 2022
    Inventors: Ji LIU, Beichen MA, Chendi ZHOU, Juncheng JIA, Dejing DOU, Shilei JI, Yuan LIAO
  • Publication number: 20220383198
    Abstract: The present disclosure provides a method for asynchronous federated learning, including: in response to a request for participating in asynchronous federated learning sent by a target electronic device, determining, according to performance information of a server, a first number of electronic devices that the server supports to participate in the asynchronous federated learning, and acquiring a second number of other electronic devices that have participated in the asynchronous federated learning; if the first number is greater than the second number, sending a global model to be optimized to the target electronic device, and receiving target feedback information which is obtained by the target electronic device from training on the global model to be optimized; and optimizing, according to the target feedback information, the global model to be optimized to obtain an optimized global model.
    Type: Application
    Filed: August 3, 2022
    Publication date: December 1, 2022
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Ji LIU, Chendi ZHOU, Shilei JI, Dejing DOU
  • Publication number: 20220385583
    Abstract: A traffic classification method and apparatus, a training method and apparatus, a device and a medium are provided. An implementation is: performing a preprocessing operation on each characteristic of one or more characteristics of an object to be classified; and inputting the one or more characteristics of the object to be classified into a traffic classifier to determine a traffic type of the object to be classified. The preprocessing operation includes at least one of: setting, in response to determining that a characteristic value of the characteristic is invalid data, the characteristic value to a null value; converting, in response to determining that the characteristic is a non-numeric characteristic, the characteristic value of the characteristic to an integer value, and normalizing, in response to determining that the characteristic is a non-port characteristic, the characteristic value of the characteristic.
    Type: Application
    Filed: August 4, 2022
    Publication date: December 1, 2022
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Ji LIU, Jiayuan ZHANG, Ruipu ZHOU, Dejing DOU
  • Publication number: 20220374775
    Abstract: A method for multi-task scheduling, a device and a storage medium are provided. The method may include: initializing a list of candidate scheduling schemes, the candidate scheduling scheme being used to allocate a terminal device for training to each machine learning task in a plurality of machine learning tasks; perturbing, for each candidate scheduling scheme in the list of candidate scheduling schemes, the candidate scheduling scheme to generate a new scheduling scheme; determining whether to replace the candidate scheduling scheme with the new scheduling scheme based on a fitness value of the candidate scheduling scheme and a fitness value of the new scheduling scheme, to generate a new scheduling scheme list; and determining a target scheduling scheme, based on the fitness value of each new scheduling scheme in the new scheduling scheme list.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 24, 2022
    Inventors: Ji LIU, Beichen MA, Jingbo ZHOU, Ruipu ZHOU, Dejing DOU
  • Publication number: 20220374776
    Abstract: The present disclosure provides a method and apparatus for federated learning, which relate to the technical fields such as big data and deep learning. A specific implementation is: generating, for each task in a plurality of different tasks trained simultaneously, a global model for each task; receiving resource information of each available terminal in a current available terminal set; selecting a target terminal corresponding to each task from the current available terminal set, based on the resource information and the global model; and training the global model using the target terminal until a trained global model for each task meets a preset condition.
    Type: Application
    Filed: July 19, 2022
    Publication date: November 24, 2022
    Inventors: Ji LIU, Beichen MA, Chendi ZHOU, Jingbo ZHOU, Ruipu ZHOU, Dejing DOU
  • Publication number: 20220366320
    Abstract: A computer-implemented method is provided. The method includes: executing, for each task in a federated learning system, a first training process comprising: obtaining resource information of a plurality of terminal devices of the federated learning system; determining one or more target terminal devices corresponding to the task based on the resource information; and training a global model corresponding to the task by the target terminal devices until the global model meets a preset condition.
    Type: Application
    Filed: July 13, 2022
    Publication date: November 17, 2022
    Inventors: Ji LIU, Chendi ZHOU, Juncheng JIA, Dejing DOU
  • Patent number: 11479644
    Abstract: The invention provides a polymerizable composition and a hydrogel obtained or obtainable from the polymerizable composition. The polymerizable composition comprises cucurbituril and a first monomer having a guest for the cucurbituril, wherein the total monomer concentration, Cmon, within the polymerizable composition is at least 0.5 M. The composition may be an aqueous composition.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: October 25, 2022
    Inventors: Oren Scherman, Ji Liu
  • Patent number: 11480506
    Abstract: The disclosure relates to a soft rock shear rheological test system with simulation of coupled rainfall seepage and blasting vibrations, which is at least provided with a loading device and a shear box. The loading device includes a frame (2), a normal static load electric cylinder (1) disposed on a top of the frame (2) and a normal dynamic load electric cylinder (16) disposed on a lower portion of the frame (2), a horizontal static load electric cylinder (5) and a horizontal dynamic load electric cylinder (12) disposed on both sides of the frame (2), and a reaction post (10). This test system can perform a dry-wet cycle operation on the test specimen without disassembling the shear box during the shear rheological test, and can truly simulate influences of rainfall seepage and blasting vibrations on the shear rheological effect of soft rock.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: October 25, 2022
    Inventors: Bin Hu, Liyao Ma, Jianlong Sheng, Guangquan Zhang, Shibing Huang, Shuxiang Chang, Jing Ding, Ji Liu
  • Publication number: 20220312065
    Abstract: Embodiments of the present disclosure disclose a video processing method, apparatus, electronic device, and storage medium. According to the present disclosure, by playing a video, in the case where the video is played to a preset progress, suspending playing the video, and displaying interactive operation guidance information, under the guidance of the interactive operation guidance information, a user watching the video possibly will perform an interactive operation corresponding to the interactive operation guidance information. If the interactive operation of the user is detected within a preset time, a pop-up window is displayed which can comprise a target object. A target page which comprises relevant information of the target object can be displayed according to an operation of the user on the pop-up window.
    Type: Application
    Filed: July 23, 2021
    Publication date: September 29, 2022
    Inventors: Song HAN, Chang LIU, Shun LIU, Ji LIU
  • Patent number: 11415497
    Abstract: A shear box of shear rheology experiment of a soft rock for simulating the coupling of the rainfall seepage and blasting vibration includes an upper shear box, a lower shear box, a normally-loading indenter, a normally-loading cushion block and a test piece joint. The upper shear box is tightly connected to the lower shear box by a vertical roll. The vertical roll passes through the through holes at both sides of the upper shear box and is engaged with the lower shear box through female thread connection holes. The normally-loading indenter passes through a circular through hole and presses against the normally-loading cushion block. The first end of the test piece joint is installed into a water or gas outlet hole, and the second end of the test piece joint is directly mortised into a rock test piece.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: August 16, 2022
    Assignee: WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Bin Hu, Liyao Ma, Jianlong Sheng, Guangquan Zhang, Shibing Huang, Shuxiang Chang, Jing Ding, Ji Liu
  • Publication number: 20220255724
    Abstract: The present disclosure provides a method and apparatus for determining an encryption mask, a method and apparatus for recognizing an image, a method and apparatus for training a model, a device, a storage medium and a computer program product. A specific implementation comprises: acquiring a test image set and an encryption mask set; superimposing an image in the test image set with a mask in the encryption mask set to obtain an encrypted image set; recognizing an image in the encrypted image set using a pre-trained encrypted image recognition model and recognizing the image in the encrypted image set using a pre-trained original image recognition model to obtain a first recognition result; and determining a target encryption mask from the encryption mask set based on the first recognition result.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 11, 2022
    Inventors: Ji LIU, Qilong LI, Dejing DOU, Chongsheng ZHANG
  • Publication number: 20220245401
    Abstract: A method and an apparatus for training a model are provided. The method includes obtaining an initial model and a training sample set including a plurality of training samples generated based on multimedia data, performing a model training task and a model fusion task in parallel, repeating the action of performing the model training task and the model fusion task in parallel till a predetermined training termination condition is met.
    Type: Application
    Filed: September 29, 2021
    Publication date: August 4, 2022
    Inventors: Xiangru LIAN, Ji LIU
  • Publication number: 20220191270
    Abstract: A method of data interaction, a data interaction apparatus, an electronic device and a non-transitory computer readable storage medium are provided, related to field of computer technologies, and in particular to the field of artificial intelligence technologies. When the method of data interaction is applied to the first data platform, the method includes: sending a data request to a second data platform based on a first resource server provided by a cloud or based on a local server; acquiring response data fed back by the second data platform based on a second resource server provided by the cloud; at least one of the first resource server and the second resource server is dynamically created by the cloud.
    Type: Application
    Filed: March 4, 2022
    Publication date: June 16, 2022
    Applicant: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Ji Liu, Xiyue Zhang, Haoyi Xiong, Dejing Dou, Shilei Ji
  • Publication number: 20220188681
    Abstract: Embodiments are provided for compilation of a quantum program. In some embodiments, a system can include a processor that executes computer-executable components stored in memory. The computer-executable components can include an identification component that selects a subgraph that is common among a first commutation directed acyclic graph (DAG) and a second commutation DAG. The subgraph has an upper-bound size that is greater than a threshold size. The first commutation DAG represents a first quantum circuit of a set of quantum circuits and the second commutation DAG represents a second quantum circuit of the set of quantum circuits. The computer-executable components also include a compilation component that compiles a quantum subcircuit corresponding to the subgraph. The computer-executable components further include a configuration component that replaces the quantum subcircuit in the first quantum circuit with the compiled quantum subcircuit.
    Type: Application
    Filed: December 14, 2020
    Publication date: June 16, 2022
    Inventors: Luciano Bello, Ali Javadiabhari, Ji Liu
  • Patent number: 11253324
    Abstract: One embodiment provides a method for training a machine-learning model to detect a location of a person's appendix, comprising: receiving, at the machine-learning model, a plurality of images, each image being a slice of a body taken by a CT scan; identifying, for each of the plurality of images, features of the appendix, wherein the identifying comprises analyzing a plurality of slices of each of the plurality of images and classifying each of the plurality of slices, into one of a plurality of classification groups, based upon a feature of the appendix within the slice; segmenting each of the plurality of image slices included in the one of the plurality of classification groups that classifies the slice as containing the appendix, thereby identifying probable locations of the appendix, via utilizing a probability mask for each of the probable locations.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: February 22, 2022
    Assignee: Cognistic, LLC
    Inventors: Tom Bu, Sanjay Chopra, Roshan Bhave, Ji Liu
  • Publication number: 20210407693
    Abstract: A method and an apparatus for predicting an epidemic situation, a device, a storage medium, and a program product are provided. The method may include: estimating a variable parameter of the epidemic situation in a preset area using a Markov Chain Monte Carlo (MCMC) method; acquiring a constant parameter of the epidemic situation in the preset area; constructing a transmission model based on the variable parameter and the constant parameter; and fitting, using the transmission model, to predict epidemic information of the preset area.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 30, 2021
    Applicant: Beijing Baidu Netcom Science and Technology Co., Ltd.
    Inventors: Ji Liu, Dejing Dou, Jizhou Huang, Qiaojun Li
  • Patent number: 11206808
    Abstract: A hide for a small animal habitat is provided. The hide includes a base, four side panels, a roof and one or more coupling mechanisms for removably coupling the hide to the base. A plurality of coupling mechanisms is contemplated and include tabs having a radially extending flange, an L-shaped in cross section clip, and a rotatable disc.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: December 28, 2021
    Assignee: PETSMART HOME OFFICE, INC.
    Inventors: Jeffrey Stocker Watson, Ji Liu, Paul Tamulewicz, Peng Qiu
  • Publication number: 20210318315
    Abstract: Systems and methods for screening enzyme variants are described, wherein the enzyme variants may catalyze a reaction that is cofactor-dependent or cofactor-independent.
    Type: Application
    Filed: April 13, 2021
    Publication date: October 14, 2021
    Applicant: National University of Singapore
    Inventors: Zhi Li, Chia-Hung Chen, Kang Zhou, Jun Li, Ji Liu, Akbar Vahidi Khalfekandi, Guoyun Sun, Yuting Wen, Kaiyun Tian
  • Publication number: 20210318907
    Abstract: A data management method, apparatus, a computing device, a storage medium, and a cloud platform are provided. The data management method includes: obtaining a task request, the task request indicating to retrieve stored data to execute a task; updating execution information for the data, the execution information for the data describing one or more tasks that need retrieval of the data and the execution frequency of each of the tasks; calculating, based on the updated execution information for the data and for each of a plurality of electronic storage locations, a storage-location-specific cost value of the data; and determining a target electronic storage location of the data according to the calculated cost value.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 14, 2021
    Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Ji Liu, Dejing Dou, Jizhou Huang, Qingyang Li
  • Publication number: 20210248139
    Abstract: Embodiments of the present disclosure provide a data mining system, a data mining method, and a storage medium. The data mining system includes a transfer device, a first trusted execution space and a second trusted execution space. The transfer device is configured to receive a data calling request of the second trusted execution space, obtain data to be called from the first trusted execution space according to the data calling request, and provide the data to be called to the second trusted execution space, so as to perform data mining based on the data to be called and the mining-related data to obtain a data mining result and to provide the data mining result to a device of the data user.
    Type: Application
    Filed: March 19, 2021
    Publication date: August 12, 2021
    Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Ji LIU, Haoyi XIONG, Dejing DOU, Siyu HUANG, Jizhou HUANG, Zhi FENG, Haozhe AN