Patents by Inventor Feiqian ZHANG

Feiqian 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).

  • Illumination detection method and apparatus for face image, and device and storage medium
    Patent number: 11908236
    Abstract: An illumination detection method comprises acquiring a face image to be detected and a three-dimensional face mesh template; deforming the three-dimensional face mesh template according to the face image to obtain a reconstructed face mesh model; according to the deformation positions, in the reconstructed face mesh model, of key feature points in the three-dimensional face mesh template, determining the brightness of feature points, corresponding to the key feature points, in the face image; and according to the relationship between the predetermined brightness of the key feature points and the illumination, and the brightness of the feature points, corresponding to the key feature points, in the face image, determining illumination information of the face image.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: February 20, 2024
    Assignee: BIGO TECHNOLOGY PTE. LTD.
    Inventors: Feiqian Zhang, Gengdai Liu, Leju Yan
  • Method for determining human eye close degrees, method for controlling eyes, device, and storage medium
    Patent number: 11775059
    Abstract: A method for determining human eye close degrees includes: acquiring a face image; determining a human eye open amplitude and a reference distance in the face image; calculating a relative amplitude of the human eye open amplitude relative to the reference distance; acquiring a maximum relative amplitude; and calculating a human eye close weight in the face image based on the relative amplitude and the maximum relative amplitude, the human eye close weight being configured to measure a human eye close degree.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: October 3, 2023
    Assignee: BIGO TECHNOLOGY PTE. LTD.
    Inventors: Feiqian Zhang, Gengdai Liu
  • METHOD FOR DETERMINING HUMAN EYE CLOSE DEGREES, METHOD FOR CONTROLLING EYES, DEVICE, AND STORAGE MEDIUM
    Publication number: 20220261070
    Abstract: Provided is a method for determining human eye close degrees, including: acquiring a face image; determining a human eye open amplitude and a reference distance in the face image; calculating a relative amplitude of the human eye open amplitude relative to the reference distance; acquiring a maximum relative amplitude; and calculating a human eye close weight in the face image based on the relative amplitude and the maximum relative amplitude, the human eye close weight being configured to measure a human eye close degree.
    Type: Application
    Filed: June 24, 2020
    Publication date: August 18, 2022
    Inventors: Feiqian ZHANG, Gengdai LIU
  • ILLUMINATION DETECTION METHOD AND APPARATUS FOR FACE IMAGE, AND DEVICE AND STORAGE MEDIUM
    Publication number: 20220075992
    Abstract: An illumination detection method comprises acquiring a face image to be detected and a three-dimensional face mesh template; deforming the three-dimensional face mesh template according to the face image to obtain a reconstructed face mesh model; according to the deformation positions, in the reconstructed face mesh model, of key feature points in the three-dimensional face mesh template, determining the brightness of feature points, corresponding to the key feature points, in the face image; and according to the relationship between the predetermined brightness of the key feature points and the illumination, and the brightness of the feature points, corresponding to the key feature points, in the face image, determining illumination information of the face image.
    Type: Application
    Filed: December 4, 2019
    Publication date: March 10, 2022
    Inventors: Feiqian ZHANG, Gengdai LIU, Leju YAN