Patents by Inventor David E. Thedens

David E. Thedens 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 including lossless compression of luminance channel and lossy compression of chrominance channels
    Patent number: 6650773
    Abstract: Compression of a digital image is performed by bit-depth truncating a luminance channel of the digital image and performing lossless compression on the bit-depth truncated luminance channel; and performing lossy compression on chrominance channels of the digital image.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: November 18, 2003
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Ron P. Maurer, Danny Barash, Richard Alan Burgin, David E. Thedens