Keystone correction derived from the parameters of projectors

Details Keystone correction derived from the parameters of projectors Keystone correction derived from the parameters of projectors

2007-02-13

2007-02-13

Mahoney, Christopher (Department: 2851)

Optics: image projectors

Distortion compensation

For projection axis inclined to screen

Reexamination Certificate

active

11291161

ABSTRACT:
A projector determines horizontal and vertical tilt angles. Using the tilt angles and the inherent properties of the projector, keystone correction corner points for the image can be computed. The keystone correction corner points can be used to perform keystone correction on the image.

REFERENCES:
patent: 5355188 (1994-10-01), Biles et al.
patent: 5720539 (1998-02-01), Woo
patent: 6305805 (2001-10-01), Liebenow
patent: 6339434 (2002-01-01), West et al.
patent: 6367933 (2002-04-01), Chen et al.
patent: 6520547 (2003-02-01), Robinson
patent: 6520646 (2003-02-01), Rodriguez et al.
patent: 6520647 (2003-02-01), Raskar
patent: 6592228 (2003-07-01), Kawashima et al.
patent: 6611260 (2003-08-01), Greenberg et al.
patent: 6686973 (2004-02-01), Su
patent: 6793347 (2004-09-01), Morishita
patent: 6836298 (2004-12-01), Song et al.
patent: 6843563 (2005-01-01), Richardson
patent: 6846081 (2005-01-01), Mochizuki et al.
patent: 6867753 (2005-03-01), Chinthammit et al.
patent: 6877863 (2005-04-01), Wood et al.
patent: 6962417 (2005-11-01), Teng et al.
patent: 6974217 (2005-12-01), Kimura et al.
patent: 6997563 (2006-02-01), Wang et al.
patent: 2002/0063726 (2002-05-01), Jouppi
patent: 2002/0109668 (2002-08-01), Rosenberg et al.
patent: 2003/0234797 (2003-12-01), Williams et al.
patent: 2004/0036844 (2004-02-01), Wood et al.
patent: 2004/0095317 (2004-05-01), Zhang et al.

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