Patents by Inventor Zhifan ZHENG

Zhifan ZHENG 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).

  • Method and device for drawing region outline and computer readable storage medium
    Patent number: 11275178
    Abstract: A method and device for drawing an outline of a region and a computer-readable storage medium are provided. The method includes: updating an original region outline map according to a first predetermined algorithm to obtain a first region outline map; updating the original region outline map according to a second predetermined algorithm to obtain a second region outline map; acquiring and processing first distance data obtained by a laser radar to generate a first to-be-matched outline map; comparing the first to-be-matched outline map with the first region outline map and the second region outline map, respectively; and replacing the second region outline map with the first region outline map if the similarity between the first region outline map and the first to-be-matched outline map is higher than the similarity between the second region outline map and the first to-be-matched outline map.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: March 15, 2022
    Assignee: Shenzhen 3irobotix Co., Ltd.
    Inventors: Yong Yang, Zexiao Wu, Zhifan Zheng
  • METHOD AND DEVICE FOR DRAWING REGION OUTLINE AND COMPUTER READABLE STORAGE MEDIUM
    Publication number: 20200379115
    Abstract: A method and device for drawing an outline of a region and a computer-readable storage medium are provided. The method includes: updating an original region outline map according to a first predetermined algorithm to obtain a first region outline map; updating the original region outline map according to a second predetermined algorithm to obtain a second region outline map; acquiring and processing first distance data obtained by a laser radar to generate a first to-be-matched outline map; comparing the first to-be-matched outline map with the first region outline map and the second region outline map, respectively; and replacing the second region outline map with the first region outline map if the similarity between the first region outline map and the first to-be-matched outline map is higher than the similarity between the second region outline map and the first to-be-matched outline map.
    Type: Application
    Filed: February 2, 2018
    Publication date: December 3, 2020
    Applicant: Shenzhen 3irobotix Co., Ltd.
    Inventors: Yong YANG, Zexiao WU, Zhifan ZHENG