Optical EngineeringControlled moiré effect in multiview three-dimensional displays: image quality and image generation
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Approaches to control the moiré effect are discussed. To improve the image quality, especially in the autostereoscopic three-dimensional displays, the minimization of the moiré effect is considered, including the minimization by angle, by period, by distance, etc. Also, less known nontraditional but effective approaches, such as spectral trajectories, statistical treatment, convolution-based minimization, and the amplitude of the moiré patterns, are at issue. On the other hand, the maximum moiré can be useful in displays. A proposed “2.5-D” display represents a new type of displays, the displays based on the moiré effect as on the main physical principle. As of today, binary black-and-white images are displayed, but this is not a principal limit and color imaging is also possible. A positive usage of the moiré effect to show images instead of its removal may be considered as an approach in displaying.