Patents by Inventor Marcus Salganicoff

Marcus Salganicoff 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 and apparatus for illuminating and imaging eyes through eyeglasses using multiple sources of illumination
    Patent number: 6252977
    Abstract: A reliable method of illuminating and imaging an eye through eyeglasses uses a carefully selected subset of multiple monochromatic light sources, a camera with an imager that exhibits minimal blooming, and a narrow-bandwidth optical bandpass filter to filter out most of the ambient illumination while passing most of the light from the system's own illuminator.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: June 26, 2001
    Assignee: Sensar, Inc.
    Inventors: Marcus Salganicoff, Keith James Hanna
  • Method and apparatus for removal of bright or dark spots by the fusion of multiple images
    Patent number: 6088470
    Abstract: A reliable method and apparatus for illuminating and imaging eyes uses multiple light sources producing multiple images of a subject each created under illumination by different illuminators. A composite image of the subject is formed by selecting pixels based upon their gray scale values or using pyramid image processing. A composite image can be created which is free of bright spots commonly caused by reflection of illumination from eyeglasses that may be worn by a subject or for which is free of dark shadows or which is free of both bright spots and dark shadows.
    Type: Grant
    Filed: January 27, 1998
    Date of Patent: July 11, 2000
    Assignees: Sensar, Inc., Sarnoff Corporation
    Inventors: Theodore A. Camus, Marcus Salganicoff, Thomas A. Chmielewski, Jr., Keith James Hanna