Method and apparatus for locating a pointing element within...

Details Method and apparatus for locating a pointing element within... Method and apparatus for locating a pointing element within...

2007-01-30

2007-01-30

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C382S103000

Reexamination Certificate

active

10959596

ABSTRACT:
A method and apparatus for finding a pointing element within a digital image. A digitized image is received including a background and an object to be tracked. The background and the object have a different color. A rectangle is defined within the image including at least a portion of the object. The defined rectangle is searched to determine the X and Y coordinates of the pointing element.

REFERENCES:
patent: 4843568 (1989-06-01), Krueger et al.
patent: 5937081 (1999-08-01), O'Brill et al.
patent: 6300955 (2001-10-01), Zamir

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