Patents by Inventor Christian Pappas

Christian Pappas 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: 7672370
    Abstract: A pipeline architecture for analyzing multiple streams of video is embodied, in part, in a layer of application program interfaces (APIs) to each stage of processing. Buffer queuing is used between some stages, which helps moderate the load on the CPU(s). Through the layer of APIs, innumerable video analysis applications can access and analyze video data flowing through the pipeline, and can annotate portions of the video data (e.g., frames and groups of frames), based on the analyses performed, with information that describes the frame or group. These annotated frames and groups flow through the pipeline to subsequent stages of processing, at which increasingly complex analyses can be performed. At each stage, portions of the video data that are of little or no interest are removed from the video data. Ultimately, “events” are constructed and stored in a database, from which cross-event and historical analyses may be performed and associations with, and among, events may be made.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: March 2, 2010
    Assignee: 3VR Security, Inc.
    Inventors: Stephen G. Russell, J. Andrew Freeman, Robert P. Vallone, Christian Pappas, Stephen D. Fleischer, Gordon T. Haupt
  • Patent number: 7667732
    Abstract: A pipeline architecture for analyzing multiple streams of video is embodied, in part, in a layer of application program interfaces (APIs) to each stage of processing. Buffer queuing is used between some stages, which helps moderate the load on the CPU(s). Through the layer of APIs, innumerable video analysis applications can access and analyze video data flowing through the pipeline, and can annotate portions of the video data (e.g., frames and groups of frames), based on the analyses performed, with information that describes the frame or group. These annotated frames and groups flow through the pipeline to subsequent stages of processing, at which increasingly complex analyses can be performed. At each stage, portions of the video data that are of little or no interest are removed from the video data. Ultimately, “events” are constructed and stored in a database, from which cross-event and historical analyses may be performed and associations with, and among, events may be made.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: February 23, 2010
    Assignee: 3VR Security, Inc.
    Inventors: J. Andrew Freeman, Robert P. Vallone, Stephen G. Russell, Christian Pappas, Stephen D. Fleischer, Gordon T. Haupt
  • Patent number: 7643030
    Abstract: The present invention comprises a computer implemented process and system for rendering curves or surfaces as 3D graphics on a display. The system of the present invention includes a computer system having a processor, a bus, and a 3D graphics rendering pipeline. The curves or surfaces are modeled by non-uniform rational B-splines (NURBS). The process of the present invention functions by receiving a NURBS model for rendering from a software program running on the host processor. The NURBS model defines a curve or surface. The process of the present invention efficiently converts the NURBS model to a Bezier model using the hardware of the graphics rendering pipeline. The Bezier model describes the same curve or surface. The process of Bezier model and the graphics rendering pipeline. The points are then used by the graphics rendering pipeline to render the curve or surface defined by the Bezier model.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: January 5, 2010
    Assignee: Microsoft Corporation
    Inventors: Matthew N. Papakipos, Carroll Philip Gossett, Christian Pappas, Henry P. Moreton, Robert J. Williamson
  • Publication number: 20080021810
    Abstract: A method and system for reserving future purchases of goods or services including plural electronic options with associated option fees for the goods or services. The plural electronic options include electronic option terms established by one or more suppliers who can supply the goods or services. The purchase of the electronic option is accepted according to electronic option terms established by the desired supplier. A type of electronic option used is governed by the option terms established by an individual supplier. The option terms may vary greatly among the individual suppliers and no two suppliers may use the same option terms.
    Type: Application
    Filed: May 23, 2007
    Publication date: January 24, 2008
    Inventors: Christian Pappas, Charles Brown
  • Patent number: 6906718
    Abstract: The present invention comprises a computer implemented process and system for rendering curves or surfaces as 3D graphics on a display. The system of the present invention includes a computer system having a processor, a bus, and a 3D graphics rendering pipeline. The curves or surfaces are modeled by non-uniform rational B-splines (NURBS). The process of the present invention functions by receiving a NURBS model for rendering from a software program running on the host processor. The NURBS model defines a curve or surface. The process of the present invention efficiently converts the NURBS model to a Bezier model using the hardware of the graphics rendering pipeline. The Bezier model describes the same curve or surface. The process of the present invention subsequently generates a plurality of points on the curve or surface using the Bezier model and the graphics rendering pipeline. The points are then used by the graphics rendering pipeline to render the curve or surface defined by the Bezier model.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: June 14, 2005
    Assignee: Microsoft Corporation
    Inventors: Matthew N. Papakipos, Carroll Philip Gossett, Christian Pappas, Henry P. Moreton, Robert J. Williamson
  • Publication number: 20050073520
    Abstract: The present invention comprises a computer implemented process and system for rendering curves or surfaces as 3D graphics on a display. The system of the present invention includes a computer system having a processor, a bus, and a 3D graphics rendering pipeline. The curves or surfaces are modeled by non-uniform rational B-splines (NURBS). The process of the present invention functions by receiving a NURBS model for rendering from a software program running on the host processor. The NURBS model defines a curve or surface. The process of the present invention efficiently converts the NURBS model to a Bezier model using the hardware of the graphics rendering pipeline. The Bezier model describes the same curve or surface. The process of the present invention subsequently generates a plurality of points on the curve or surface using the Bezier model and the graphics rendering pipeline. The points are then used by the graphics rendering pipeline to render the curve or surface defined by the Bezier model.
    Type: Application
    Filed: November 23, 2004
    Publication date: April 7, 2005
    Applicant: Microsoft Corporation
    Inventors: Matthew Papakipos, Carroll Gossett, Christian Pappas, Henry Moreton, Robert Williamson