Patents by Inventor Matthew Beal

Matthew Beal 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).

  • Speaker detection and tracking using audiovisual data
    Publication number: 20050171971
    Abstract: A system and method facilitating object tracking is provided. The invention includes an audio model that receives at least two audio input signals and a video model that receives a video input. The audio model and the video model employ probabilistic generative models which are combined to facilitate object tracking. Expectation maximization can be employed to modify trainable parameters of the audio model and the video model.
    Type: Application
    Filed: March 31, 2005
    Publication date: August 4, 2005
    Applicant: Microsoft Corporation
    Inventors: Matthew Beal, Nebojsa Jojic, Hagai Attias