Patents by Inventor Zhiwei Zhang

Zhiwei 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).

  • Publication number: 20210091863
    Abstract: Embodiments of the present application relate to the communications field and disclose a calibration method and a communications device, capable of compensating for measured amplitude and phase results. The method includes determining a position error of each of the N antenna groups, and then determining an actual position of the antenna group based on a target position of the antenna group and the position error of the antenna group. A phase compensation value and/or an amplitude compensation value of the antenna group are determined for a target probe of the second device based on the actual position of the antenna group. Based on the phase compensation value and/or the amplitude compensation value of the antenna group, compensating is performed for a phase result and/or an amplitude result that are/is obtained by the target probe of the second device by measuring a signal transmitted by the antenna group.
    Type: Application
    Filed: December 3, 2020
    Publication date: March 25, 2021
    Inventors: Yi TANG, Zhiwei ZHANG, Feng LI
  • Publication number: 20210056344
    Abstract: An image processing method can include: acquiring an image; determining a feature map of the image based on an image tag classification model, wherein the image tag classification model comprises a plurality of classification tasks; and determining tags corresponding to the feature map based on the classification tasks, wherein each of the tags comprises a probability value.
    Type: Application
    Filed: September 28, 2020
    Publication date: February 25, 2021
    Inventors: Zhiwei ZHANG, Fan YANG
  • Patent number: 10891473
    Abstract: A method and device for use in hand gesture recognition is applicable to image processing. The method includes: acquiring a depth map of a hand in a current image; estimating first positions of joints of the hand according to the depth map of the hand; creating a 3D point cloud of the hand according to the depth map of the hand; matching the first position of the joints of the hand and a stored 3D hand model to the 3D point cloud of the hand to obtain second positions of the joints and first degree of freedom parameters of the joints; and recognizing the hand's gestures according to the second positions of the joints and the first degree of freedom parameters of the joints. The method achieves a practical hand gesture recognition technique and recognizes hand gestures accurately.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: January 12, 2021
    Assignee: ArcSoft Corporation Limited
    Inventors: Zhiwei Zhang, Chen Tang, Mingming Zhu, Ping Ye, Jin Wang
  • Publication number: 20210003661
    Abstract: A method for implementing radar-communication integration of a vehicle, where the method includes obtaining, by a radar device of a first vehicle, a first communication message, modulating the first communication message into a first carrier signal, where an operating frequency of the first carrier signal is in an operating band of the radar device, sending a periodic radar signal, and sending the first carrier signal to a second vehicle within a time gap between sending of a radar signal in a current period and sending of a radar signal in a next period.
    Type: Application
    Filed: September 21, 2020
    Publication date: January 7, 2021
    Inventors: Shaofeng Xu, Zhiwei Zhang, Botao Zhai, Xueming Peng
  • Publication number: 20200394356
    Abstract: A text information processing method, device and terminal, wherein the method comprises: determining a pinyin character string corresponding to text information; using an N-tuple algorithm to convert the pinyin character string into a string set that comprises a plurality of character string elements; determining an index and the occurrence number, in a total string set, of each character string element in the string set; generating a pinyin hash vector corresponding to the text information according to the index and occurrence number corresponding to each character string element; and processing the pinyin hash vector by means of an embedded neural network to obtain continuous features corresponding to the text information.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Applicant: Beijing Dajia Internet Information Technology Co., Ltd.
    Inventors: Zhiwei Zhang, Fan Yang
  • Patent number: 10843206
    Abstract: The present invention discloses a cylindrical IFD filter, comprising a dust collecting module and a field power module interval arranged inside the channel of the dust collecting module, a plurality of field power module units are symmetrically and vertically spaced arranged on the side wall of the field power module; a plurality of layers of the dust collecting module channels which are stacked vertically are pass-through arranged on the dust collecting module, and each barrier wall between the vertical adjacent dust collecting module channels is alternately disposed as a pair of positive plate and negative plate, each barrier wall between the vertical adjacent dust collecting module channels comprises polar plate electrode and a polar plate coating coated on the upper and bottom walls of the polar plate electrode; and each barrier wall between the lateral adjacent dust collecting module channels adopts same coating material as the polar plate coating.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: November 24, 2020
    Assignee: Tianjin University
    Inventors: Junjie Liu, Zhiwei Zhang, Wenhua Chen
  • Publication number: 20200356821
    Abstract: Disclosed are a method, terminal and computer readable storage medium for image classification. The method includes: determining an image feature vector of an image based on a convolutional neural network, where the image comprises textual information; determining a text feature vector based on the textual information and an embedded network; determining an image-text feature vector by joining the image feature vector with the text feature vector; and determining a category of the image based on a result of a deep neural network, where the result is determined based on the image feature vector, the text feature vector and the image-text feature vector.
    Type: Application
    Filed: July 17, 2020
    Publication date: November 12, 2020
    Applicant: Beijing Dajia Internet Information Technology Co., Ltd.
    Inventors: Zhiwei Zhang, Fan Yang
  • Publication number: 20200345330
    Abstract: A method for optimizing an ultrasonic imaging system parameter based on deep learning, comprising the following steps: step 1: collecting samples for training neural networks, the samples comprising ultrasound image samples i, and a corresponding ultrasonic imaging system parameter vector sample p used by an ultrasonic imaging system when the ultrasonic image samples are collected; step 2: establishing a neural network model and training the neural networks to convergence by using the samples collected=in step 1, so as to obtain a trained neural network system onn; and step 3: taking the original ultrasonic imaging system parameter vector p or the original ultrasonic image as an input to be input into the neural network system onn trained in step 2, at this moment, a parameter obtained from an output end of onn being an optimized ultrasonic imaging system parameter vector ep=onn(p).
    Type: Application
    Filed: June 29, 2018
    Publication date: November 5, 2020
    Inventors: Zhiwei ZHANG, Mingchang ZHAO, Jian LU
  • Publication number: 20200321732
    Abstract: A chip slot is disclosed, which includes a slot, where a plurality of terminal groups are disposed in the slot, terminals in each terminal group include metal sheets that are symmetrically disposed on two opposite inner side walls of the slot, and each metal sheet has a bending pin that extends outside the slot; bending directions of bending pins on the terminals in each terminal group are same; and for any row of metal sheets in any two adjacent terminal groups, along an arrangement direction of the row of metal sheets, bending pins of the metal sheets in the adjacent terminal groups are alternately arranged on both sides of the row of metal sheets. The bending pins of the row of metal sheets are bent toward two different directions.
    Type: Application
    Filed: June 18, 2020
    Publication date: October 8, 2020
    Inventors: Tianren LIU, Kanghua OU, Yuanbin CAI, Junwei ZHONG, Xianfeng CHEN, Feng WANG, Zhiwei ZHANG
  • Publication number: 20200297173
    Abstract: Provided are a dust cup and a handheld vacuum cleaner, which includes a cyclone filter is provided within the dust cup; a filter component is arranged within the cyclone filter; a dust cup base cover is provided at the bottom of the dust cup; an opening is provided on the dust cup base cover; and the filter component is capable of being directly mounted or removed at the bottom of a dust cup via the opening.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 24, 2020
    Applicant: TINECO INTELLIGENT TECHNOLOGY CO., LTD.
    Inventors: Zhiwei ZHANG, Huaiqiang REN
  • Publication number: 20200293884
    Abstract: Provided in the embodiments of the present application are an image processing method and device and a terminal.
    Type: Application
    Filed: November 16, 2018
    Publication date: September 17, 2020
    Inventors: Zhiwei ZHANG, Fan YANG
  • Publication number: 20200293824
    Abstract: A method and apparatus for recognizing an image, and a storage medium are provided. The method includes: obtaining labeling results of training data to be labeled in a target training data set; determining a weight coefficient of each labeling result in response to that the training data includes a plurality of labeling results; determining a label of the training data based on labeling result and the weight coefficient corresponding to the labeling result, wherein the training data with the label is the target training data for training a recognition model; and recognizing the image based on the recognition model trained based on the target training data.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 17, 2020
    Inventors: Zhiwei ZHANG, Yan LI, Lijun WU
  • Patent number: 10716441
    Abstract: A handheld vacuum cleaner, mainly comprising a main body and a dust collection accessory, wherein the main body comprises a housing (3) and a dust cup (8), a dust collection pipe (1) is provided on the dust cup, a motor (2), a battery pack (7) and a handle (6) are provided above the dust cup, a cyclone filter (81) is provided within the dust cup, an inlet filter sponge component (9) and an inlet strainer component (10) provided around the periphery of the inlet filter sponge component are arranged within the cyclone filter, a dust cup base cover (85) is provided at the bottom of the dust cup, an opening (851) is provided on the dust cup base cover, and the inlet filter sponge component is directly mounted or removed at the bottom of a dust cup.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: July 21, 2020
    Assignee: TINECO INTELLIGENT TECHNOLOGY CO., LTD.
    Inventors: Zhiwei Zhang, Huaiqiang Ren
  • Publication number: 20200172513
    Abstract: This invention relates to new benzazepine carboxamide compounds of the formula wherein X and R1 to R6 are as defined in the description and in the claims, as well as pharmaceutically acceptable salts thereof. These compounds are TLR8 agonists and may therefore be useful as medicaments for the treatment of diseases such as cancer, autoimmune diseases, inflammation, sepsis, allergy, asthma, graft rejection, graft-versus-host disease, immunodeficiencies, and infectious diseases.
    Type: Application
    Filed: February 5, 2020
    Publication date: June 4, 2020
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Fabian Dey, Lisha Wang, Hongying Yun, Weixing Zhang, Zhiwei Zhang, Wei Zhu
  • Publication number: 20200136706
    Abstract: The present disclosure relates to correction apparatus and correction methods. One example correction apparatus includes a first adjustment module, a plurality of second adjustment modules, a correction calculation module, and a plurality of non-ideal channels. One second adjustment module is disposed on one non-ideal channel. The first adjustment module is connected to each non-ideal channel. The correction calculation module is separately connected to the first adjustment module and the plurality of second adjustment modules. The correction calculation module is connected to an output end of each non-ideal channel. The non-ideal channel is a channel that outputs an output signal in response to a drive signal having an error value.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 30, 2020
    Inventors: Jinsong LV, Mo CHEN, Wei WANG, Zhiwei ZHANG, Lie ZHANG
  • Patent number: 10621933
    Abstract: Provided are a driving method and a driving apparatus for a display device, and a display device. The driving method includes inputting a gate driving signal to each gate line progressively, and inputting a gate driving signal to one gate line within each scanning period; inputting a data signal to each data line within each scanning period, and inverting, for one time, polarity of a data signal inputted to the same data line every n scanning periods; and inputting a threshold voltage with a preset time length to a threshold voltage line within each scanning period, latching the data signal inputted to the data line when a threshold voltage is inputted to the threshold voltage line, and outputting the data signal otherwise; wherein the second time length is greater than the first time length.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: April 14, 2020
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiwei Zhang, Tao Ma, Cheng Chen
  • Publication number: 20200100635
    Abstract: The present disclosure provides a rod-type cleaning component and a dust collector with the same. The rod-type cleaning component includes a rod body, the rod body includes a suction pipe connected with a suction inlet of a floor brush, a recycling tank for recycling sewage and a solution tank for providing clean liquid, a main unit joint is arranged at an upper end of the rod body, a floor brush joint is arranged at a lower end, and more than one separation ribs are arranged in an inner cavity of the suction pipe to divide the inner cavity into more than two chamber air ducts.
    Type: Application
    Filed: February 2, 2018
    Publication date: April 2, 2020
    Applicant: ECOVACS ROBOTICS CO., LTD.
    Inventors: Zhiwei ZHANG, Jincheng XUE
  • Patent number: 10590112
    Abstract: This invention relates to new benzazepine carboxamide compounds of the formula wherein X and R1 to R6 are as defined in the description and in the claims, as well as pharmaceutically acceptable salts thereof. These compounds are TLR8 agonists and may therefore be useful as medicaments for the treatment of diseases such as cancer, autoimmune diseases, inflammation, sepsis, allergy, asthma, graft rejection, graft-versus-host disease, immunodeficiencies, and infectious diseases.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: March 17, 2020
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Fabian Dey, Lisha Wang, Hongying Yun, Weixing Zhang, Zhiwei Zhang, Wei Zhu
  • Patent number: 10581504
    Abstract: Embodiments of the present invention disclose a beamforming method, a receiver, a transmitter, and a system. The beamforming method includes: controlling, according to a preset rule, connection or disconnection of N analog channels corresponding to N antenna array elements, to obtain an independently received equivalent signal at each of the N antenna array elements, where N is a natural number greater than or equal to 2; obtaining, based on the independently received equivalent signal at each of the N antenna array elements, a beamforming weight; and sending the beamforming weight to a transmitter. According to the embodiments of the present invention, costs can be reduced, and relatively good interference suppression performance can be obtained.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 3, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhiwei Zhang, Shanchun Xia, Mo Chen
  • Patent number: 10580379
    Abstract: A display panel and a driving method therefor and a display apparatus are provided. The display panel includes a plurality of gate lines and a plurality of data lines, which intersect with each other, each of the data lines has an input terminal, and input terminals of the data lines are provided at a first side of the display panel, the driving method comprises: sequentially applying a gate signal to each of the gate lines, and applying data signals to the data lines through the input terminals while any of the gate lines is applied with a gate signal, wherein the gate signal satisfies conditions that Ta(i)?Ta(i+1) and Ta(1)<Ta(n), where Ta(i) is a duration of the gate signal applied to the ith gate line starting from the first side, 1?i?n?1, where n is a total number of the gate lines.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: March 3, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhiwei Zhang, Xia Feng