Patents by Inventor John Thomas Shively

John Thomas Shively 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).

  • Patent number: 5778105
    Abstract: A method of and system for reducing aliasing effects in a digital reproduction of an original image are disclosed. A first set of pixels extending along a first direction in the digital reproduction and satisfying an edge condition is found and a second set of pixels lying on a first line and extending along the first direction are identified from the first set of pixels and from the sampled values associated with pixels lying in at least one additional line extending along a second direction transverse to the first direction. The sampled values for the pixels lying on the first line are modified toward a first value and the sampled values for pixels defining a second line adjacent the first line are modified toward a second value.
    Type: Grant
    Filed: February 7, 1996
    Date of Patent: July 7, 1998
    Assignee: R.R. Donnelley & Sons Company
    Inventor: John Thomas Shively