Patents by Inventor Mohammadrreza Negahdar

Mohammadrreza Negahdar 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).

  • Volumetric deformable registration method for thoracic 4-D computed tomography images and method of determining regional lung function
    Patent number: 9076201
    Abstract: A method of deformable image registration for thoracic 4-D computed tomography (CT) images includes: receiving, by a processing device, a set of thoracic 4-D CT images; and iteratively solving, by the processing device, an energy function applied to subsequent images of the set of thoracic 4-D CT images to transform the subsequent images into respective optical flow fields between the subsequent images, the energy function enforcing the following constraints on the subsequent images: intensity constancy; mass conservation; gradient constancy; and spatio-temporal smoothness.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: July 7, 2015
    Assignee: University of Louisville Research Foundation, Inc.
    Inventors: Mohammadrreza Negahdar, Amir A. Amini, Neal Dunlap, Shiao Woo