Mounted lenticular grating with parallax ghosting mitigation for many-frame animation
Abstract:
Parallax ghosting is mitigated in a mounted lenticular grating with for many-frame animation by having lenticules at an offset angle α relative to the viewing vertical and incorporating ghosting in the base images. Where Ω is an angular range orthogonal to the longitudinal axes of the lenticules over which m picture slices in the base graphic are viewable, V is the distance between the viewer's eyes, and L is the distance of the viewer from the lenticular grating, the number N of picture slices viewed due to the parallax effect given by N=2(m/Ω)arc tan(V|cos α|2 L). The above variables are chosen such that the number N of viewed picture slices is not too large. Ghosting of foreground images from neighboring frames is added to mitigate parallax-induced washing-out of colors. To create a three-dimensional effect, ghosted images are shifted in position by an amount related to their intended distance out-of-plane.
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