A method to expand the viewing window for the integral floating display by twofold through time multiplexing is proposed. The viewing window of the integral floating display can be expanded by enlarging the elemental image area for each elemental lens, by which the viewing angle of the integral imaging system is determined. Also, the difference between the effects of elemental image area expansion on the viewing characteristics of images reconstructed by the integral floating display and the integral imaging system is investigated. The experimental results verify the enhancement of the viewing window for the three-dimensional images displayed by the proposed scheme.
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