Patents by Inventor Nuwan Nagahawatte

Nuwan Nagahawatte 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).

  • Sensor calibration systems and methods for infrared cameras
    Patent number: 8378290
    Abstract: Systems and methods directed to calibration techniques for infrared cameras are disclosed for some embodiments. For example, a method of determining infrared sensor calibration information, in accordance with an embodiment, includes performing a calibration operation on an infrared sensor to obtain calibration information, wherein the infrared sensor is not within an infrared camera core, and storing the calibration information.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: February 19, 2013
    Assignee: Flir Systems, Inc.
    Inventors: George Speake, Nuwan Nagahawatte, Richard M. Goeden, Ted Takagi, Robert Ernst, Gary B. Hughes, Joseph Kostrzewa, John Graff, Russell Granneman, Michael Kent, Neela Nalam, Stephen Lyon, Barbara Sharp, Pierre Boulanger, Neil Cutcliffe, Tim Martin, Ted Hoelter
  • Filtering systems and methods for infrared image processing
    Patent number: 8189050
    Abstract: Systems and methods are disclosed herein to provide filtering techniques for image processing applications. For example, in accordance with an embodiment of the present invention, a Median-X filtering algorithm is disclosed that may be used for various infrared image processing applications.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: May 29, 2012
    Assignee: Flir Systems, Inc.
    Inventors: Gary B. Hughes, Nicholas Högasten, Nuwan Nagahawatte
  • Calibration systems and methods for infrared cameras
    Patent number: 8049163
    Abstract: Systems and methods directed to calibration techniques for infrared cameras are disclosed. For example, a method of obtaining calibration information for an infrared device includes providing a calibration target adapted to provide a low-emissivity scene; performing a calibration operation on the infrared device to obtain the calibration information; and storing the calibration information.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: November 1, 2011
    Assignee: Flir Systems, Inc.
    Inventors: Russell Granneman, Nuwan Nagahawatte, Richard M. Goeden, Ted Takagi, Robert Ernst, Gary B. Hughes, Joseph Kostrzewa, John Graff, George Speake, Michael Kent, Neela Nalam, Stephen Lyon, Barbara Sharp, Pierre Boulanger, Neil Cutcliffe, Tim Martin, Ted Hoelter