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Method of single-step full parallax synthetic holographic stereogram printing based on effective perspective images’ segmentation and mosaicking

Posted on 2017-09-15 - 15:19
With the principle of ray-tracing and the reversibility of light propagation, a new method of single-step full parallax synthetic holographic stereogram printing based on effective perspective images’ segmentation and mosaicking (EPISM) is proposed. The perspective images of scene are first sampled by a virtual camera and the exposing images which called synthetic effective perspective images are achieved using the algorithm of effective perspective images’ segmentation and mosaicking according to the propagation law of light and the viewing frustum effect of human eyes. The hogels are exposed using the synthetic effective perspective images in sequence to form the whole holographic stereogram. The influence of modeling parameters on the reconstructed images are also analyzed, and experimental results have demonstrated that the full parallax holographic stereogram printing with the proposed method could provide excellent reconstructed images by single-step printing. Moreover, contrast experiments with different holographic element sizes, different scene reconstructed distances, and different imaging planes are also analyzed and implemented.

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