Stereoscopic display method and apparatus

G - Physics – 03 – H

Patent

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G03H 1/08 (2006.01) G03H 1/26 (2006.01)

Patent

CA 2105446

The position of a solid image which changes with the elapse of time is detected. The position of a virtual screen is set so that a distance from an object enters an allowable range such as to reduce a fatigue of an observer. A 2-dimensional image is formed at the set virtual screen position. A phase distribution is calculated at the hologram forming surface, thereby displaying a solid image. Even when the position of a solid image changes with the elapse of time, the fatigue of the eyes can be minimized.

a position d'une image tridimensionnelle qui varie avec le temps est détectée. La position d'un écran virtuel est réglée de façon que la distance d'un objet se trouve dans une gamme de valeurs permises afin de réduire la fatigue de l'observateur. Une image bidimensionnelle est formée à la position de l'écran virtuel. Une distribution de phases est calculée à la surface de formation de l'hologrammes, ce qui produit une image tridimensionnelle. Même quand la position d'une image tridimensionnelle varie avec le temps, la fatigue visuelle peut être minimisée.

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