Patents by Inventor Ari Johannes Hourunranta

Ari Johannes Hourunranta 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).

  • Error concealment in a video signal
    Patent number: 6744924
    Abstract: Apparatus and method for concealing an error in a frame of a video sequence. The video sequence includes a plurality of frames and being encoded as at least two independently-coded signals, each of which represents a sub-set of frames of the video sequence. The method includes receiving said at least two signals, identifying an error in a frame of the video sequence, and concealing the error by predicting corresponding data using at least one frame which is encoded in a signal 10b other than that in which the error is identified.
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: June 1, 2004
    Assignee: Nokia Mobile Phones Limited
    Inventors: Miska Hannuksela, Ari Johannes Hourunranta