Patents by Inventor Liheng Zhang

Liheng Zhang 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 of determining a correspondence between frames of medical image data with and without contrast medium through probability distribution maps relating to position of a feature
    Patent number: 11182925
    Abstract: A correspondence between frames of a set of medical image data is determined where the set of medical image data includes at least one frame acquired without contrast medium and at least one frame acquired with contrast medium. First data representing a first image frame acquired without contrast medium is received. Second data representing a second image frame acquired with contrast medium is received. A position of a feature of a medical device in the second image frame is determined at least partly on the basis of a position of the feature determined from the first image frame.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: November 23, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: Liheng Zhang, Vivek Kumar Singh, Kai Ma, Terrence Chen
  • Determining a Correspondence between Frames of a Set of Medical Image Data
    Publication number: 20190139259
    Abstract: A correspondence between frames of a set of medical image data is determined where the set of medical image data includes at least one frame acquired without contrast medium and at least one frame acquired with contrast medium. First data representing a first image frame acquired without contrast medium is received. Second data representing a second image frame acquired with contrast medium is received. A position of a feature of a medical device in the second image frame is determined at least partly on the basis of a position of the feature determined from the first image frame.
    Type: Application
    Filed: October 30, 2018
    Publication date: May 9, 2019
    Inventors: Liheng Zhang, Vivek Kumar Singh, Kai Ma, Terrence Chen