Patents by Inventor Hong Lip Lim

Hong Lip Lim 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).

  • Methods for improving visibility computations in 3D computer graphics
    Patent number: 6690373
    Abstract: Disclosed are a set of methods for improving visibility computations in 3D computer graphics. Said methods are executed before said computations and determine surfaces visible or invisible in said computations. This invention describes various approaches whereby the speed and accuracy of these methods are improved.
    Type: Grant
    Filed: April 14, 2001
    Date of Patent: February 10, 2004
    Inventor: Hong Lip Lim
  • Visibility calculations for 3d computer graphics
    Patent number: 6618047
    Abstract: Disclosed is a method of reducing the complexity of hidden surface removal in 3D graphics systems. A fuzzy projection (FF) of a surface (SU) as seen from a number of viewpoints (VP) in a bounding box (BB) is stored in a buffer (FA) having elements (FE). A combination of all the patches (PT) of the surface (SU) viewed form a fuzzy region (FR) where surfaces can be either visible, hidden, or unable to be determined with certainty as to whether or not visible/hidden. A non-fuzzy region (NF) describes those patches (PT) that are always visible.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: September 9, 2003
    Assignee: Fuzzysharp Technologies, Inc.
    Inventor: Hong Lip Lim
  • Methods for improving visibility computations in 3D computer graphics
    Publication number: 20020190995
    Abstract: Disclosed are a set of methods for improving visibility computations in 3D computer graphics. Said methods are executed before said computations and determine surfaces visible or invisible in said computations.
    Type: Application
    Filed: April 14, 2001
    Publication date: December 19, 2002
    Inventor: Hong Lip Lim
  • Visibility calculations for 3D computer graphics
    Patent number: 6172679
    Abstract: Disclosed is a method of reducing the complexity of hidden surface removal in 3D grapghic systems. A fuzzy projection (FF) of a surface (SU) as seen from a number of viewpoints (VP) in a bounding box (BB) is stored in a buffer (FA) having elements (FE). A combination of all the patches (PT) of the surface (SU) viewed form a fuzzy region (FR) where surfaces can be either visible, hidden, or unable to be determined with certainty as to whether or not visible/hidden. A non-fuzzy region (NF) describes those patches (PT) that are always visible.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: January 9, 2001
    Inventor: Hong Lip Lim
  • Visibility calculations for 3D computer graphics
    Patent number: 5914721
    Abstract: Disclosed is a method of reducing the complexity of hidden surface removal in 3D grapghic systems. A fuzzy projection (FF) of a surface (SU) as seen from a number of viewpoints (VP) in a bounding box (BB) is stored in a buffer (FA) having elements (FE). A combination of all the patched (PT) of the surface (SU) viewed form a fuzzy region (FR) where surfaces can be either visible, hidden, or unable to be determined with certainty as to whether or not visible/hidden. A non-fuzzy region (NF) describes those patches (PT) that are always visible.
    Type: Grant
    Filed: June 1, 1994
    Date of Patent: June 22, 1999
    Inventor: Hong Lip Lim