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

2009-07-09

2010-12-14

Mahoney, Christopher (Department: 2862)

Optics: image projectors

Distortion compensation

For projection axis inclined to screen

Reexamination Certificate

active

07850312

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: 6056408 (2000-05-01), Kobayashi
patent: 6169535 (2001-01-01), Lee
patent: 6289735 (2001-09-01), Dister
patent: 6305805 (2001-10-01), Liebenow
patent: 6310662 (2001-10-01), Sunakawa et al.
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: 6843569 (2005-01-01), Hirao et al.
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
patent: 6963348 (2005-11-01), Diamond et al.
patent: 6974217 (2005-12-01), Kimura et al.
patent: 6997563 (2006-02-01), Wang
patent: 2001/0000300 (2001-04-01), Haile-mariam
patent: 2002/0008697 (2002-01-01), Deering
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
patent: 2004/0095317 (2004-05-01), Zhang et al.
patent: 2007/0100968 (2007-05-01), Ordogh et al.
patent: 2007/0198731 (2007-08-01), Li et al.
patent: 2007/0223703 (2007-09-01), Verma et al.

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