Patents Assigned to NextVPU (Shanghai) Co., Ltd.
  • Patent number: 11887923
    Abstract: A wiring design method and a wiring structure for a package substrate in a flip chip, and a flip chip. The wiring design method includes: arranging bump pads in an array of rows and columns, wherein the bump pads are configured to bond with conductive bumps on a flip chip die, and the bump pads comprise signal pads and non-signal pads; providing the non-signal pad with a via hole; and using a layer of wiring to lead a subset of the signal pads out of an orthographic projection region of the flip chip die on the package substrate, wherein the subset of the signal pads is configured to carry all functional signals required by design specifications of the flip chip die for the array of the bump pads.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: January 30, 2024
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Aofeng Qian, Gang Qin, Xinpeng Feng, Ji Zhou
  • Patent number: 11776286
    Abstract: An image text broadcasting method, an electronic device, and a storage medium are provided. The image text broadcasting method includes: receiving a specified broadcast indication; determining a current broadcast progress about broadcast data in response to the specified broadcast indication; acquiring a next piece of broadcast data from a first text according to the current broadcast progress and the specified broadcast indication, in which the first text is composed of text data recognized and stored for a text in a text area of an image.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: October 3, 2023
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Xuanyang Feng, Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Publication number: 20230154840
    Abstract: A wiring design method and a wiring structure for a package substrate in a flip chip, and a flip chip. The wiring design method includes: arranging bump pads in an array of rows and columns, wherein the bump pads are configured to bond with conductive bumps on a flip chip die, and the bump pads comprise signal pads and non-signal pads; providing the non-signal pad with a via hole; and using a layer of wiring to lead a subset of the signal pads out of an orthographic projection region of the flip chip die on the package substrate, wherein the subset of the signal pads is configured to carry all functional signals required by design specifications of the flip chip die for the array of the bump pads.
    Type: Application
    Filed: June 10, 2021
    Publication date: May 18, 2023
    Applicant: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Aofeng Qian, Gang Qin, Xinpeng Feng, Ji Zhou
  • Patent number: 11367296
    Abstract: A layout analysis method, an electronic device, and a non-transitory computer-readable storage medium are provided. The layout analysis method includes: obtaining coordinate information of a plurality of text lines in an image; creating a layout model of the image according to the coordinate information; analyzing a layout structure of the text lines based on the layout model; and determining an order of the text lines relative to each other based on the layout structure.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: June 21, 2022
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Linfeng Li, Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Patent number: 11272188
    Abstract: Disclosed is a compression method for a deep neural network. The deep neural network comprises a plurality of layers. The method includes the following steps for each of at least one layer of the plurality of layers other than an input layer: reading parameters of that layer from a parameter storage space; reading a first feature map stored by an immediate previous layer from a feature map storage space; generating a second feature map on the basis of the read parameters and the first feature map; compressing the second feature map so as to obtain a third feature map; and storing the third feature map into the feature map storage space. Further, a chip based on the compression method and a medium are also provided.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: March 8, 2022
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Ji Zhou, Xinpeng Feng
  • Patent number: 11232315
    Abstract: An image depth determining method and a living body identification method, a circuit, a device, and a medium. The image depth determining method includes obtaining pixel coordinates of a feature point pair associated with an object point on a subject, determining a first straight line passing through the origin of a first camera coordinate system of a first camera based on first pixel coordinates and intrinsic parameters of the first camera, determining a second straight line passing through the origin of a second camera coordinate system of a second camera based on second pixel coordinates and intrinsic parameters of the second camera, and determining the depth of the object point based on the first straight line, the second straight line, and extrinsic parameters describing a relative position relationship between the first camera and the second camera.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: January 25, 2022
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Shu Fang, Ji Zhou, Xinpeng Feng
  • Publication number: 20220012482
    Abstract: A layout analysis method, an electronic device, and a non-transitory computer-readable storage medium are provided. The layout analysis method includes: obtaining coordinate information of a plurality of text lines in an image; creating a layout model of the image according to the coordinate information; analyzing a layout structure of the text lines based on the layout model; and determining an order of the text lines relative to each other based on the layout structure.
    Type: Application
    Filed: June 17, 2021
    Publication date: January 13, 2022
    Applicant: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Linfeng Li, Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Publication number: 20210334569
    Abstract: An image depth determining method and a living body identification method, a circuit, a device, and a medium. The image depth determining method includes obtaining pixel coordinates of a feature point pair associated with an object point on a subject, determining a first straight line passing through the origin of a first camera coordinate system of a first camera based on first pixel coordinates and intrinsic parameters of the first camera, determining a second straight line passing through the origin of a second camera coordinate system of a second camera based on second pixel coordinates and intrinsic parameters of the second camera, and determining the depth of the object point based on the first straight line, the second straight line, and extrinsic parameters describing a relative position relationship between the first camera and the second camera.
    Type: Application
    Filed: April 23, 2021
    Publication date: October 28, 2021
    Applicant: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Shu Fang, Ji Zhou, Xinpeng Feng
  • Patent number: 11158077
    Abstract: A disparity estimation method, an electronic device, and a computer-readable storage medium are provided. The disparity estimation method includes: performing feature extraction on each image in an image pair; and performing cascaded multi-stage disparity processing according to the extracted image features to obtain multiple disparity maps with increasing sizes. The input of a first stage disparity processing in the multi-stage disparity processing includes multiple image features each having a size corresponding to the first stage disparity processing, and the input of disparity processing of each stage other than the first stage disparity processing in the multi-stage disparity processing includes: one or more image features each having a size corresponding to disparity processing of the stage and a disparity map generated by disparity processing of an immediate previous stage.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: October 26, 2021
    Assignee: Nextvpu (Shanghai) Co., Ltd.
    Inventors: Shu Fang, Ji Zhou, Xinpeng Feng
  • Patent number: 11127115
    Abstract: A disparity determining method, an electronic device, and a computer-readable storage medium are provided. The disparity determining method includes: downsampling a first image and a second image, to obtain a first image with a first size and a second image with the first size; performing first-stage disparity computation on the first image with the first size and the second image with the first size, to obtain a first disparity map with the first size; and performing second-stage disparity computation on a first image with a second size and a second image with the second size based on an upsampled disparity map, with the second size, of the first disparity map, to obtain a second disparity map with the second size.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: September 21, 2021
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Shu Fang, Ji Zhou, Xinpeng Feng
  • Patent number: 11112059
    Abstract: The present disclosure relates to the field of wearable devices, and in particular to a connector for a wearable device, an assistive device, a wearable device, and a kit. The connector comprises a first connecting component and a second connecting component, wherein the first connecting component comprises a first engaging member, the second connecting component comprises a second engaging member, and the first connecting component and the second connecting component are connected to each other by means of the mating between the first engaging member and the second engaging member and can rotate relative to each other into a separable position and an engaged position. The connector of the present disclosure can solve the technical problem that the mounting angle of the assistive device relative to the wearable device cannot be flexibly and conveniently adjusted and cannot be maintained in each adjustment shift.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: September 7, 2021
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Chang Sun, Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Publication number: 20210248406
    Abstract: An image text broadcasting method, an electronic device, and a storage medium are provided. The image text broadcasting method includes: receiving a specified broadcast indication; determining a current broadcast progress about broadcast data in response to the specified broadcast indication; acquiring a next piece of broadcast data from a first text according to the current broadcast progress and the specified broadcast indication, in which the first text is composed of text data recognized and stored for a text in a text area of an image.
    Type: Application
    Filed: February 1, 2021
    Publication date: August 12, 2021
    Applicant: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Xuanyang Feng, Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Patent number: 11054838
    Abstract: A mobile robot is provided. The mobile robot includes: a driving mechanism configured to drive the mobile robot to move; a chassis on which the driving mechanism is mounted; and a camera mainboard, on which a camera module is provided. The camera module is configured to obtain an external environment image and has at least two optical axes. The camera mainboard is arranged on the chassis such that each of the at least two optical axes is parallel to a horizontal plane.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: July 6, 2021
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Ji Zhou, Peng Zhang, Xinpeng Feng
  • Patent number: 10989933
    Abstract: The present disclosure relates to a connector, an assistive device, a wearable device, and a wearable device kit. The connector includes a first magnetic connecting component; and a second magnetic connecting component detachably connected to the first magnetic connecting component by magnetic attraction. By means of the connector of the present disclosure, the assistive device can be detachably connected to the wearable device more reliably and more flexibly.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: April 27, 2021
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Chang Sun, Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Patent number: 10922570
    Abstract: A processor chip circuit is provided, which is used for entering human face information into a database and includes a circuit unit configured to perform the steps of: videoing one or more videoed persons and extracting human face information of the one or more videoed persons from one or more video frames during the videoing; recording a voice of at least one of the one or more videoed persons during the videoing; performing semantic analysis on the recorded voice so as to extract respective information therefrom; and associating the extracted information with the human face information of the videoed person who has spoken the extracted information, and entering the associated information into the database.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: February 16, 2021
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Publication number: 20210034898
    Abstract: A processor chip circuit is provided, which is used for entering human face information into a database and includes a circuit unit configured to perform the steps of: videoing one or more videoed persons and extracting human face information of the one or more videoed persons from one or more video frames during the videoing; recording a voice of at least one of the one or more videoed persons during the videoing; performing semantic analysis on the recorded voice so as to extract respective information therefrom; and associating the extracted information with the human face information of the videoed person who has spoken the extracted information, and entering the associated information into the database.
    Type: Application
    Filed: November 8, 2019
    Publication date: February 4, 2021
    Applicant: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Patent number: 10860165
    Abstract: The present disclosure discusses smart glasses. The smart glasses may capture an image and then identify one or more objects in the image. The object located at a predefined position or region in the image is informed to a user. With the method, rather than all of the objects in the image, the object at the predefined position or region is informed to a user, such that the informing efficiency of the smart glasses and user experience are improved.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: December 8, 2020
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Patent number: 10838056
    Abstract: Provided are a target detection method, a circuit, a device for assisting visually impaired people, an electronic device, and a medium. The target detection method includes: acquiring an image collected by an image sensor; detecting whether there is at least a portion of a target object in the image; and providing, in response to not detecting at least a portion of the target object in the image, a prompt to adjust the target object to be within a field of view of the image sensor.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: November 17, 2020
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Patent number: 10796187
    Abstract: The present disclosure relates to detection of texts. A text detecting method includes: acquiring a first image to be detected of a text object to be detected; determining whether the first image to be detected contains a predetermined indicator; determining, if the first image to be detected contains the predetermined indicator, a position of the predetermined indicator, and acquiring a second image to be detected of the text object to be detected; determining whether the second image to be detected contains the predetermined indicator; and determining, if the second image to be detected does not contain the predetermined indicator, a text detecting region based on the position of the predetermined indicator.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: October 6, 2020
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Song Mei, Haijiao Cai, Xinpeng Feng, Ji Zhou
  • Patent number: 10795185
    Abstract: Provided is a connector, the connector comprises: a first connecting component provided with a first magnetic component; and a second connecting component provided with a second magnetic component, wherein the first magnetic component and the second magnetic component can be magnetically attached to each other, wherein the second connecting component can rotate by a predetermined angle relative to the first connecting component in a plane perpendicular to a direction of magnetic attraction. The connector of the present disclosure can solve the technical problem that the mounting angle of the assistive device relative to the wearable device cannot be flexibly and conveniently adjusted.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: October 6, 2020
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Chang Sun, Haijiao Cai, Xinpeng Feng, Ji Zhou