G - Physics – 09 – G
Patent
G - Physics
09
G
G09G 5/00 (2006.01) G06T 15/50 (2006.01) G09B 9/02 (2006.01)
Patent
CA 2056457
A method for determining the illumination of an illuminator at a selected point P in an image volume to be projected on an image screen surface by a computerized image generator, uses the steps of: decomposing the illuminator into at least one of spherical, bean and cylindrical sources; determining a direction of incidence of the light from each source at point P in the image volume; determining the extent of the source and the attenuation of illumination with distance from that source; then determining a set of color light intensities at point P in the image volume due to the light from the particular source; and translating the incidence direction and color intensities from point P to a displayable incidence direction and a displayable set of color illumination intensities at a corresponding projection location on the image screen surface.
Buchner Gregory Charles
Caesar Robert James Jr.
Kelly William Arthur
Morgan Michael Leroy
Steiner Walter Robert
Company General Electric
Craig Wilson And Company
Intel Corporation
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