Patents by Inventor Sean Gerard O'Brien

Sean Gerard O'Brien 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).

  • Passive imaging correction system using feedback including a variable aperture with plural settings and method thereof
    Patent number: 9006633
    Abstract: A method and system for image processing comprising an opening for entrance of light for forming an image by the system; at least one optical element through which the light passes; a variable aperture operatively associated with the at least one optical element placed in the optical train at an image plane and comprising a plurality of settings comprising first mask settings for shielding portions of the light and second mask settings for selectively masking portions of the light that pass through the first mask settings; an imager, the at least one processor being operatively connected to the variable aperture and imager for controlling the passage of the light through the variable aperture by selecting one of plurality of first mask settings and associated second mask settings, obtaining image results using the settings, comparing image results obtained by the respective mask settings, and determining the optimal first mask setting.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: April 14, 2015
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: David H Tofsted, Sean Gerard O'Brien
  • Passive Imaging Correction System Using Feedback and Method Thereof
    Publication number: 20140125860
    Abstract: A method and system for image processing comprising an opening for entrance of light for forming an image by the system; at least one optical element through which the light passes; a variable aperture operatively associated with the at least one optical element placed in the optical train at an image plane and comprising a plurality of settings comprising first mask settings for shielding portions of the light and second mask settings for selectively masking portions of the light that pass through the first mask settings; an imager, the at least one processor being operatively connected to the variable aperture and imager for controlling the passage of the light through the variable aperture by selecting one of plurality of first mask settings and associated second mask settings, obtaining image results using the settings, comparing image results obtained by the respective mask settings, and determining the optimal first mask setting.
    Type: Application
    Filed: November 2, 2012
    Publication date: May 8, 2014
    Applicant: U.S. ARMY RESEARCH LABORATORY ATTN: RDRL-LOC-I
    Inventors: David M. Tofsted, Sean Gerard O'Brien