1
Jeffrey L Edwards: Method and apparatus for performing a clean background subtraction. Electric Planet, Van Pelt & Yi, June 25, 2002: US06411744 (376 worldwide citation)

A background subtraction apparatus of the present invention includes a key point locator for locating key points on a known object type, a boundary point locator for locating boundary points of the known object that make up the edges of the known object, and an edge processor for processing the edge ...


2
Jeffrey L Edwards: Method and apparatus for performing a clean background subtraction. Electric Planet, Van Pelt Yi & James, January 9, 2007: US07162082 (21 worldwide citation)

A background subtraction apparatus of the present invention includes a key point locator for locating key points on a known object type, a boundary point locator for locating boundary points of the known object that make up the edges of the known object, and an edge processor for processing the edge ...


3
Jeffrey L Edwards: Method and apparatus for performing a clean background subtraction. Elet Systems L L C, Workman Nydegger, March 29, 2011: USRE042256

A background subtraction apparatus of the present invention includes a key point locator for locating key points on a known object type, a boundary point locator for locating boundary points of the known object that make up the edges of the known object, and an edge processor for processing the edge ...


4
Jeffrey L Edwards: Method and apparatus for performing a clean background subtraction. Electric Planet, Ritter Van Pelt & Yi, November 21, 2002: US20020172433-A1

A background subtraction apparatus of the present invention includes a key point locator for locating key points on a known object type, a boundary point locator for locating boundary points of the known object that make up the edges of the known object, and an edge processor for processing the edge ...


5
Edwards Jeffrey L: Method and apparatus for performing a clean background subtraction. Electric Planet, HICKMAN Paul L, April 22, 1999: WO/1999/019828

A background subtraction apparatus of the present invention includes a key point locator (210) for locating key points on a known object type, a boundary point locator (212) for locating boundary points of the known object that make up the edges of the known object, and an edge processor (214) for p ...