Patents by Inventor Siliang DU

Siliang DU 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).

  • VISUAL FEATURE DATABASE CONSTRUCTION METHOD, VISUAL POSITIONING METHOD AND APPARATUS, AND STORAGE MEDIUM
    Publication number: 20220156968
    Abstract: This application provides a visual feature database construction method, including: obtaining a database creation image; performing feature extraction on the database creation image to obtain a feature point of the database creation image and a descriptor of the feature point of the database creation image; intersecting a ray corresponding to the feature point of the database creation image with a 3D model, to determine the 3D position of the intersection point at which the ray intersects with the 3D model as the 3D position of the feature point of the database creation image; and writing the descriptor of the feature point of the database creation image and the database creation image into a visual feature database, to construct the visual feature database.
    Type: Application
    Filed: February 7, 2022
    Publication date: May 19, 2022
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Siliang DU, Zehui KANG, Wei FANG