Patents by Inventor Itzhak Wilf

Itzhak Wilf 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 the position of a TV camera for use in a virtual studio
    Patent number: 6304298
    Abstract: A method of determining the position of a TV camera relative to a patterned panel being viewed by the TV camera including the steps of: identifying a plurality of edge points of the pattern from the video signal produced by said camera and using these edge points to calculate the perspective of the pattern relative to the camera.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: October 16, 2001
    Assignee: Orad Hi Tec Systems Limited
    Inventors: Alexander Steinberg, Zinovy Livshits, Itzhak Wilf, Moshe Nissim, Michael Tamir, Avi Sharir, David Aufhauser
  • Method and apparatus for automatic electronic replacement of billboards in a video image
    Patent number: 6292227
    Abstract: Apparatus for automatic replacement of a billboard in a video image is provided. The billboard comprises a chroma-key surface, and the apparatus includes a video camera for viewing the billboard, and a chroma-key unit operative to detect at least one chroma-key color of the billboard chroma-key surface. A reference color of the chroma-key unit is adjustable to conform to the color of the chrom-key surface, thereby enabling the chroma-key unit to correctly identify the billboard surface and to correctly replace the chroma-key surface of the billboard by a virtual advertisement in a video image with correct occlusion of any foreground object.
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: September 18, 2001
    Assignee: Orad Hi-Tec Systems Limited
    Inventors: Itzhak Wilf, Avi Sharir, Michael Tamir
  • Method and apparatus for automatic electronic replacement of billboards in a video image
    Patent number: 6208386
    Abstract: Apparatus for automatic electronic replacement of a billboard in a video image including an automatic camera orientation measurement apparatus including motion measurement means operative to measure the Field of View (FOV) of the TV camera relative to a known reference position.
    Type: Grant
    Filed: May 13, 1997
    Date of Patent: March 27, 2001
    Assignee: Orad Hi-Tec Systems Limited
    Inventors: Itzhak Wilf, Avi Sharir, Michael Tamir
  • Electronic billboard replacement switching system
    Patent number: 6191825
    Abstract: An electronic billboard replacement system for use in a TV broadcast system including electronic billboard storage device for storing a plurality of replacement billboards and an electronic sequencer device for controlling the time period that each one of the plurality of billboards is displayed to a TV viewer.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: February 20, 2001
    Assignee: Orad Hi-Tech Systems Limited
    Inventors: Peter Sprogis, Itzhak Wilf, Michael Tamir, Avi Sharir