Patents by Inventor Daniel J. Richman

Daniel J. Richman 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 of modeling single data class from multi-class data
    Patent number: 7454337
    Abstract: The present invention is a method of modeling a single class of data from data containing multiple classes of data of the same type of data by first receiving a collection of data that includes data from multiple classes of data of the same type where the amount of data of the single class of data exceeds that of any other class of data. A first statistical model of the received collection of data is generated. The collection of data is divided into subsets. Each subset of the speech collection of data is scored using the first statistical model. A set of scores is selected. The subsets corresponding to the selected scores are identified. The identified subsets are combined. A second statistical model of the type of the first statistical model is generated for the combined subsets and used as the model of the single class of data.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: November 18, 2008
    Assignee: The United States of America as represented by the Director, National Security Agency, The
    Inventors: David C. Smith, Daniel J. Richman