Patents by Inventor Shunran DI

Shunran DI 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: 20210223046
    Abstract: A method and device for extracting key frames in simultaneous localization and mapping and a smart device. The method includes acquiring an image frame from an image library storing a plurality of image frames of an unknown environment, and performing feature extraction on the image frame to obtain information of feature points, wherein the information includes a quantity of feature points; acquiring relative motion information of the image frame relative to the previous key frame, and calculating an adaptive threshold currently used by using the relative motion information; and selecting a key frame according to the information of feature points and the adaptive threshold indicating space information of image frames.
    Type: Application
    Filed: July 31, 2019
    Publication date: July 22, 2021
    Applicant: GOERTEK INC.
    Inventors: Baoming LI, Shanshan MIN, Shunran DI, Libing ZOU, Jinxi CAO