Method and apparatus for display image adjustment

Details Method and apparatus for display image adjustment Method and apparatus for display image adjustment

2005-11-08

2005-11-08

Brier, Jeffrey (Department: 2672)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C353S069000, C353S070000

Reexamination Certificate

active

06963348

ABSTRACT:
Method and apparatus for display image adjustment is described. More particularly, handles associated with polygon vertices of a polygon rendered image are provided as a graphical user interface (GUI). These handles may be selected and moved by a user with a cursor pointing device to adjust a displayed image for keystoning, among other types of distortion. This GUI allows a user to adjust a projected image for position of a projector with respect to imaging surface, as well as for imaging surface contour, where such contour may be at least substantially planar, cylindrical, or spherical and where such contour may comprise multiple imaging surfaces. This advantageously may be done without special optics or special equipment. An original image is used as texture for rendering polygons, where the image is applied to the rendered polygons.

REFERENCES:
patent: 6305805 (2001-10-01), Liebenow
patent: 2004/0137935 (2004-07-01), Zarom
Microsoft® Word 2000, Copyright© 1983-1999.
Rahul Sukthankar, “Smart Projectors: Camera-Projector Systems” http://www-2.cs.cmu.edu/˜rahuls/Research/Projector/ May 21, 2002 pp. 1-4.

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