Patents by Inventor Chengbo Ai

Chengbo Ai 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).

  • Systems and methods for identifying traffic control devices and testing the retroreflectivity of the same
    Patent number: 9767371
    Abstract: Systems and methods for identifying traffic control devices from images, and systems and methods for assessing the retro reflectivity of traffic control devices. The identification of traffic control devices can be accomplished using a lighting-dependent statistical color model. The identification of traffic control devices can be accomplished using an active contour or active polygon method.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: September 19, 2017
    Assignee: Georgia Tech Research Corporation
    Inventors: Chengbo Ai, Yichang Tsai, Zhaohua Wang, Anthony Joseph Yezzi
  • Systems and Methods for Identifying Traffic Control Devices and Testing the Retroreflectivity of the Same
    Publication number: 20170193312
    Abstract: Systems and methods for identifying traffic control devices from images, and systems and methods for assessing the retro reflectivity of traffic control devices. The identification of traffic control devices can be accomplished using a lighting-dependent statistical color model. The identification of traffic control devices can be accomplished using an active contour or active polygon method.
    Type: Application
    Filed: March 27, 2015
    Publication date: July 6, 2017
    Applicant: Georgia Tech Research Corporation
    Inventors: Chengbo Ai, Yichang Tsai, Zhaohua Wang