Computation time reduction for three-dimensional displays

Details Computation time reduction for three-dimensional displays Computation time reduction for three-dimensional displays

G - Physics

02

B

G02B 27/22 (2006.01) G03H 1/08 (2006.01)

Patent

CA 2411837

A reconfigurable, three-dimensional display (1) wherein knowledge of the viewer's (4) eyes is used to enable the effective exit pupil(s) of the display system to be optimised. The system utilises this knowledge to identify contributing regions (5) within the display (1) that contribute light to the viewer (4). Priority is given to calculating and displaying the part of the display corresponding to the contributing region (5), thereby allowing the system computation requirements to be minimised. Further computation savings are achievable by recognising that only light travelling in a limited range of angles need to be considered.

La présente invention concerne un affichage tridimensionnel reconfigurable (1) dans lequel les connaissances acquises par les yeux de l'observateur (4) sont utilisées pour permettre à la/les pupille(s) de sortie efficace(s) du système d'affichage d'être optimisée(s). Le système fait intervenir l'utilisation de ces connaissances pour identifier des zones de contribution (5) à l'intérieur de l'affichage (1), qui fournissent de la lumière à l'observateur (4). La priorité est donnée au calcul et à l'affichage de la partie de l'affichage correspondant à la zone de contribution (5), ce qui permet de minimiser les exigences de calcul du système. De plus, des économies de calculs peut être faites grâce à la constatation selon laquelle seule la lumière circulant selon une gamme limitée d'angles doit être prise en considération.

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