Patents by Inventor Benjamin M. Zhu

Benjamin M. Zhu 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 and apparatus for determining visibility of groups of pixels
    Patent number: 6636212
    Abstract: A display is partitioned into a plurality of cells. Each of the plurality of cells includes a depth interval and a coverage for each of a plurality of surfaces having coverage within the cell. A depth interval and a coverage for a group of pixels having coverage within one or more of the cells is received. Visibility of the group of pixels, for each of the one or more cells, is determined based on comparisons of the depth interval of the group of pixels with the depth intervals of the plurality of surfaces.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: October 21, 2003
    Assignee: NVIDIA Corporation
    Inventor: Benjamin M. Zhu