Abstract
The moiré-less condition is found for non-square grids. The exact
solution is found in form of a quartic equation depending on the geometric
parameter. The root gives the optimal angle for minimized moirés. The
approximate solution is also found as well as the upper limit for residual
moirés. The proximity of the two solutions is proven. Experiments confirm
the theoretical findings. The results can be used for minimizing moirés
in display devices which include several layers of regular grids.
© 2008 IEEE
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