Computer graphics processing and selective visual display system – Computer graphics processing – Three-dimension
Reexamination Certificate
2006-08-01
2006-08-01
Tung, Kee M. (Department: 2676)
Computer graphics processing and selective visual display system
Computer graphics processing
Three-dimension
C345S589000, C345S581000
Reexamination Certificate
active
07084871
ABSTRACT:
The invention relates to the field of methods for synthesizing an intervisibility image consisting of pixels and representing the distribution, over a terrain overflown by an aircraft, of the intervisibility zones.This is a method of synthesizing an intervisibility image consisting of pixels and representing the distribution, over a terrain overflown by an aircraft, of the zones of indirect intervisibility between the aircraft and at least one potential threat, in which, on the one hand, a danger plain color is associated with the set of zones of indirect intervisibility and, on the other hand, a safety plain color distinct from the danger plain color is associated with the set of portions of range zones of the threats that are not covered by any zone of indirect intervisibility, and, in at least one mode of the method of synthesis, said plain colors may be modulated at each pixel by a shading cue (αsha) representative of the relief of the terrain at said pixel.The method according to the invention may in particular be implemented in a cartographic accelerator card.
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Coppolino Erick
Jardin Laurent
Verbeque Jean-Rene
Lowe Hauptman & Berner LLP
Thales
Tung Kee M.
Vo Cliff N.
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