Patents by Inventor Louise M. Watson

Louise M. Watson 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: 5058042
    Abstract: A method for employing a hierarchical display list in global rendering comprises the steps of traversing the display list and extracting selected primitives and attributes. A bounding volume is defined for selected primitives, and data indicative of the selected primitives, attributes, and bounding volumes are stored in a global database. Global rendering may be performed by either ray tracing or radiosity based upon the data in the global database. In the event that global rendering is performed by radiosity, then a plurality of surface elements for each selected primitive is defined and also stored in the global data base. Shading attribute data for each of the surface elements is defined upon application of a radiosity rendering algorithm to the global database. An alternative display list may be defined from the global database, if desired.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: October 15, 1991
    Assignee: Hewlett-Packard Company
    Inventors: Samir L. Hanna, Louise M. Watson, John R. Wallace, Kells A. Elmquist, Eric A. Haines, Kent M. Montgomery