Patents by Inventor Xu Feifei

Xu Feifei 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).

  • Access control to computer resource
    Patent number: 10592654
    Abstract: Determining a group of figures for use in a vision test to distinguish computers from humans. An image is obtained and segmented into a plurality of parts. Based on the plurality of parts, a group of figures is determined to enable the group of figures to be displayed at a certain rate for a user to recognize the image.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: March 17, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Xu Feifei, Zhuang Liang, Xin Hui CP Pan, Yu Wenzhi
  • Access control to computer resource
    Patent number: 10592655
    Abstract: Determining a group of figures for use in a vision test to distinguish computers from humans. An image is obtained and segmented into a plurality of parts. Based on the plurality of parts, a group of figures is determined to enable the group of figures to be displayed at a certain rate for a user to recognize the image.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: March 17, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Xu Feifei, Zhuang Liang, Xin Hui C P Pan, Yu Wenzhi
  • VISION TEST TO DISTINGUISH COMPUTERS FROM HUMANS
    Publication number: 20190087564
    Abstract: Determining a group of figures for use in a vision test to distinguish computers from humans. An image is obtained and segmented into a plurality of parts. Based on the plurality of parts, a group of figures is determined to enable the group of figures to be displayed at a certain rate for a user to recognize the image.
    Type: Application
    Filed: November 7, 2017
    Publication date: March 21, 2019
    Inventors: Xu Feifei, Zhuang Liang, Xin Hui CP Pan, Yu Wenzhi
  • VISION TEST TO DISTINGUISH COMPUTERS FROM HUMANS
    Publication number: 20190087563
    Abstract: Determining a group of figures for use in a vision test to distinguish computers from humans. An image is obtained and segmented into a plurality of parts. Based on the plurality of parts, a group of figures is determined to enable the group of figures to be displayed at a certain rate for a user to recognize the image.
    Type: Application
    Filed: September 21, 2017
    Publication date: March 21, 2019
    Inventors: Xu Feifei, Zhuang Liang, Xin Hui CP Pan, Yu Wenzhi