Patents by Inventor Matthew J Roach

Matthew J Roach 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).

  • Image characterization
    Patent number: 7181090
    Abstract: A method of analysing a sequence of images, for example a sequence of images from a video signal, in which the amount the image changes between two images in a sequence is used to classify the sequence as being either a cartoon or a non cartoon sequence.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: February 20, 2007
    Assignee: British Telecommunications public limited company
    Inventors: Matthew J Roach, Mark Pawlewski
  • Image characterisation
    Publication number: 20040098388
    Abstract: A method of analysing a sequence of images image, for example a sequence of images from a video signal, in which the amount the image changes between two images in a sequence is used to classify the sequence as being either a cartoon or a non cartoon sequence.
    Type: Application
    Filed: April 16, 2003
    Publication date: May 20, 2004
    Inventors: Matthew J Roach, Mark Pawlewski