Patents by Inventor Xiangshu Wei

Xiangshu Wei 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).

  • Numerical model for image feature extraction
    Patent number: 7194393
    Abstract: In one embodiment, the invention is a method for generating geometric patterns from an image having a plurality of ridges and mesh points. The method includes dividing the image into a plurality of local regions with a surface appearance of fluid flow; establishing a mathematical model according to conditions of the plurality of local regions with a surface appearance of fluid flow; solving the mathematical model; and mapping respective values of the solutions of the mathematical model to respective local regions of the image.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: March 20, 2007
    Assignee: Cogent Systems, Inc.
    Inventors: Xiangshu Wei, Ming Hsieh
  • Numerical model for image feature extraction
    Publication number: 20060115131
    Abstract: In one embodiment, the invention is a method for generating geometric patterns from an image having a plurality of ridges and mesh points.
    Type: Application
    Filed: January 19, 2006
    Publication date: June 1, 2006
    Inventors: Xiangshu Wei, Ming Hsieh
  • Partial differential equation model for image feature extraction and identification
    Patent number: 7020591
    Abstract: In one embodiment, the invention is a method for generating geometric patterns from an image having a plurality of ridges and mesh points. The method comprising the steps of: establishing a mathematical model according to regional conditions in the image; converting the mathematical model into numerical equations; solving the numerical equations; and transferring the solutions of the numerical equations to respective regions of the image.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: March 28, 2006
    Assignee: Cogent Systems, Inc
    Inventors: Xiangshu Wei, Ming Hsieh