Patents by Inventor Roger L. Crane

Roger L. Crane 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 assessing the visibility of differences between two signal sequences
    Patent number: 6137904
    Abstract: A method and apparatus for assessing the visibility of differences between two input signal sequences, e.g., image sequences is disclosed. The apparatus comprises a perceptual metric generator having an input signal processing section, a luminance processing section, a chrominance processing section and a perceptual metric generating section.
    Type: Grant
    Filed: April 3, 1998
    Date of Patent: October 24, 2000
    Assignee: Sarnoff Corporation
    Inventors: Jeffrey Lubin, Michael H. Brill, Albert P. Pica, Roger L. Crane, Walter B. Paul, Gary A. Gendel