Patents by Inventor Mark Songhurst

Mark Songhurst 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).

  • Scanning images for pornography
    Patent number: 8107670
    Abstract: A computer system scans image files for pornographic image content by pre-filtering image files to detect the presence in copyright data fields of stored items of copyright information deemed to indicate that the image file is one of acceptable or unacceptable. On detecting such items of copyright information, a signal is output indicating that the image file does or does not contain pornographic image content without the need to analyse the image content of the image file.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: January 31, 2012
    Assignee: Symantec Corporation
    Inventor: Mark Songhurst
  • Scanning images for pornography
    Publication number: 20090232413
    Abstract: A computer system scans image files for pornographic image content by pre-filtering image files to detect the presence in copyright data fields of stored items of copyright information deemed to indicate that the image file is one of acceptable or unacceptable. On detecting such items of copyright information, a signal is output indicating that the image file does or does not contain pornographic image content without the need to analyse the image content of the image file.
    Type: Application
    Filed: March 11, 2008
    Publication date: September 17, 2009
    Applicant: MESSAGELABS Limited
    Inventor: Mark Songhurst